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    <div class="moz-cite-prefix">Il 18/07/2014 04:01,
      <a class="moz-txt-link-abbreviated" href="mailto:kevin.zhang@octlink.com">kevin.zhang@octlink.com</a> ha scritto:<br>
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    <blockquote cite="mid:2014071810012117612192@octlink.com"
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      <div>Hi Fabio Fantoni,</div>
      <div> </div>
      <div>     I closed vnc options and can reproduce the problem,
        stack info is as follow:</div>
      <blockquote style="MARGIN-RIGHT: 0px" dir="ltr">
        <blockquote style="MARGIN-RIGHT: 0px" dir="ltr">
          <div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">(gdb)  target
              remote localhost:1234</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">Remote debugging
              using localhost:1234</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">Reading symbols
              from /lib64/ld-linux-x86-64.so.2...(no debugging symbols
              found)...done.</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">Loaded symbols
              for /lib64/ld-linux-x86-64.so.2</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">0x00007ffff7dddaf0
              in ?? () from /lib64/ld-linux-x86-64.so.2</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">(gdb) c</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">Continuing.</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt"> </div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">Program received
              signal SIGABRT, Aborted.</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">0x00007ffff2e04475
              in *__GI_raise (sig=<optimized out>) at
              ../nptl/sysdeps/unix/sysv/linux/raise.c:64</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">64     
              ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or
              directory.</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">(gdb) bt full</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#0 
              0x00007ffff2e04475 in *__GI_raise (sig=<optimized
              out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        pid =
              <optimized out></div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        selftid
              = <optimized out></div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#1 
              0x00007ffff2e076f0 in *__GI_abort () at abort.c:92</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        act =
              {__sigaction_handler = {sa_handler = 0x7fffffffce58,
              sa_sigaction = 0x7fffffffce58}, sa_mask = {__val = {</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">             
              140737488342592, 140737488348103, 33, 140737269326962, 1,
              140737269331337, 3, 140737488342587, 5, </div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">             
              140737269327027, 1, 140737269336037, 3, 140737488342596,
              12, 140737269336041}}, sa_flags = 2, </div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">         
              sa_restorer = 0x7ffff2f207e9}</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        sigs =
              {__val = {32, 0 <repeats 15 times>}}</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#2 
              0x00007ffff2e3f52b in __libc_message
              (do_abort=<optimized out>, fmt=<optimized
              out>)</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">    at
              ../sysdeps/unix/sysv/linux/libc_fatal.c:189</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        ap =
              {{gp_offset = 40, fp_offset = 48, overflow_arg_area =
              0x7fffffffd7c0, reg_save_area = 0x7fffffffd6d0}}</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        ap_copy
              = {{gp_offset = 16, fp_offset = 48, overflow_arg_area =
              0x7fffffffd7c0, reg_save_area = 0x7fffffffd6d0}}</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        fd = 2</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        on_2 =
              <optimized out></div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        list =
              <optimized out></div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        nlist =
              0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        cp =
              <optimized out></div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        written
              = false</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#3 
              0x00007ffff2e48d76 in malloc_printerr (action=3,
              str=0x7ffff2f22908 "double free or corruption (!prev)", </div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">   
              ptr=<optimized out>) at malloc.c:6312</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        buf =
              "00007fffd4c390e0"</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        cp = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#4 
              0x00007ffff2e4db1c in *__GI___libc_free (mem=<optimized
              out>) at malloc.c:3738</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        ar_ptr =
              0x7fffd4000020</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        p = 0x6</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#5 
              0x00007ffff3b5b44b in _pixman_image_fini
              (image=image@entry=0x7fffd4879820) at
              ../../pixman/pixman-image.c:173</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        common =
              0x7fffd4879820</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              __PRETTY_FUNCTION__ = "_pixman_image_fini"</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#6 
              0x00007ffff3b5b399 in pixman_image_unref
              (image=0x7fffd4879820) at ../../pixman/pixman-image.c:211</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">No locals.</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#7 
              0x000055555585283b in qemu_pixman_image_unref
              (image=0x7fffd4879820) at ui/qemu-pixman.c:80</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">No locals.</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#8 
              0x000055555587446b in vnc_dpy_switch (dcl=0x7fffe2c99048,
              surface=0x7fffd40b7c10) at ui/vnc.c:588</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        vd =
              0x7fffe2c99010</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        vs =
              0xff000000180420</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#9 
              0x000055555584be81 in dpy_gfx_replace_surface
              (con=0x5555566a90a0, surface=0x7fffd40b7c10) at
              ui/console.c:1404</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">---Type
              <return> to continue, or q <return> to quit---</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt"> </div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        s =
              0x5555565f64b0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              old_surface = 0x7fffd487a040</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        dcl =
              0x7fffe2c99048</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#10
              0x00005555556ecd52 in qxl_render_update_area_unlocked
              (qxl=0x5555566dba20) at hw/display/qxl-render.c:131</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        vga =
              0x5555566dc510</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        surface
              = 0x7fffd40b7c10</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        i = 0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#11
              0x00005555556ed021 in qxl_render_update_area_bh
              (opaque=0x5555566dba20) at hw/display/qxl-render.c:183</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        qxl =
              0x5555566dba20</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#12
              0x00005555555f5330 in aio_bh_poll (ctx=0x5555562f1c20) at
              async.c:81</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        bh =
              0x5555566a4770</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        bhp =
              0x7ffff77bfe86</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        next =
              0x5555566a3c00</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        ret = 1</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#13
              0x00005555555f4f89 in aio_poll (ctx=0x5555562f1c20,
              blocking=false) at aio-posix.c:188</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        node =
              0x7ffff73269a4</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        ret =
              32767</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        progress
              = false</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#14
              0x00005555555f5747 in aio_ctx_dispatch
              (source=0x5555562f1c20, callback=0, user_data=0x0) at
              async.c:205</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        ctx =
              0x5555562f1c20</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              __PRETTY_FUNCTION__ = "aio_ctx_dispatch"</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#15
              0x00007ffff730c355 in g_main_context_dispatch () from
              /lib/x86_64-linux-gnu/libglib-2.0.so.0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">No symbol table
              info available.</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#16
              0x00005555557d41ce in glib_pollfds_poll () at
              main-loop.c:190</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        context
              = 0x5555562f27c0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        pfds =
              0x5555566da480</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#17
              0x00005555557d42ce in os_host_main_loop_wait (timeout=0)
              at main-loop.c:235</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        ret = 2</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              spin_counter = 1</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#18
              0x00005555557d43a1 in main_loop_wait (nonblocking=0) at
              main-loop.c:484</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        ret =
              21845</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        timeout
              = 4294967295</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              timeout_ns = 29767176</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#19
              0x000055555587fe0c in main_loop () at vl.c:2051</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              nonblocking = false</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        last_io
              = 1</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">#20
              0x00005555558877e6 in main (argc=64, argv=0x7fffffffdfd8,
              envp=0x7fffffffe1e0) at vl.c:4507</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">---Type
              <return> to continue, or q <return> to quit---</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        i = 64</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        snapshot
              = 0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              linux_boot = 0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              icount_option = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              initrd_filename = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              kernel_filename = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              kernel_cmdline = 0x555555a22304 ""</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              boot_order = 0x5555562ef840 "dc"</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        ds =
              0x5555565f64b0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        cyls = 0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        heads =
              0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        secs = 0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              translation = 0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        hda_opts
              = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        opts =
              0x5555562ef790</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              machine_opts = 0x5555562f13f0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        olist =
              0x555555e08220</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        optind =
              64</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        optarg =
              0x7fffffffe92d
              "if=ide,index=1,media=cdrom,cache=writeback,id=ide-832"</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        loadvm =
              0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              machine_class = 0x5555562e8540</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        machine
              = 0x555555e0de80</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              cpu_model = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              vga_model = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              qtest_chrdev = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              qtest_log = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        pid_file
              = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        incoming
              = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              show_vnc_port = 0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              defconfig = true</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              userconfig = true</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        log_mask
              = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        log_file
              = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              mem_trace = {malloc = 0x55555588369e
              <malloc_and_trace>, realloc = 0x5555558836f6
              <realloc_and_trace>, </div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">          free =
              0x55555588375d <free_and_trace>, calloc = 0,
              try_malloc = 0, try_realloc = 0}</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              trace_events = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">       
              trace_file = 0x0</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">---Type
              <return> to continue, or q <return> to quit---</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        __func__
              = "main"</div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">        args =
              {machine = 0x555555e0de80, ram_size = 4160749568,
              boot_order = 0x5555562ef840 "dc", </div>
            <div style="COLOR: #ff0000; FONT-SIZE: 9pt">         
              kernel_filename = 0x0, kernel_cmdline = 0x555555a22304 "",
              initrd_filename = 0x0, cpu_model = 0x0}</div>
          </div>
        </blockquote>
      </blockquote>
    </blockquote>
    <br>
    <font color="#000000">Thanks for the full backtrace.<br>
      I added qemu-devel and spice-devel as cc.<br>
      Can someone take a look at this backtrace of qemu crash on windows
      7 resolution change when connect with spice and help to solve it
      please?<br>
      Some other details are in previous mails below.<br>
      <br>
      Thanks for any reply.</font><br>
    <br>
    <blockquote cite="mid:2014071810012117612192@octlink.com"
      type="cite">
      <hr style="WIDTH: 210px; HEIGHT: 1px" color="#b5c4df" size="1"
        align="left">
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            MARGIN-LEFT: 10px; FONT-SIZE: 10.5pt; MARGIN-RIGHT: 10px">
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                        style="FONT-FAMILY: 微软雅黑; COLOR: #000000;
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                          微软雅黑; FONT-SIZE: 10.5pt; mso-bidi-font-family:
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                          mso-hansi-font-family: Calibri;
                          mso-hansi-theme-font: minor-latin;
                          mso-bidi-theme-font: minor-bidi;
                          mso-ansi-language: EN-US;
                          mso-fareast-language: ZH-CN;
                          mso-bidi-language: AR-SA"><span
                            style="FONT-FAMILY: 微软雅黑; COLOR: #000000;
                            FONT-SIZE: 10.5pt"><span style="FONT-FAMILY:
                              微软雅黑; FONT-SIZE: 10.5pt;
                              mso-bidi-font-family: 'Times New Roman';
                              mso-bidi-font-size: 11.0pt;
                              mso-ascii-font-family: Calibri;
                              mso-ascii-theme-font: minor-latin;
                              mso-fareast-theme-font: minor-fareast;
                              mso-hansi-font-family: Calibri;
                              mso-hansi-theme-font: minor-latin;
                              mso-bidi-theme-font: minor-bidi;
                              mso-ansi-language: EN-US;
                              mso-fareast-language: ZH-CN;
                              mso-bidi-language: AR-SA"></span><span
                              style="FONT-FAMILY: 微软雅黑; FONT-SIZE: 8pt;
                              mso-bidi-font-family: 'Times New Roman';
                              mso-bidi-font-size: 11.0pt;
                              mso-ascii-theme-font: minor-latin;
                              mso-fareast-theme-font: minor-fareast;
                              mso-hansi-theme-font: minor-latin;
                              mso-bidi-theme-font: minor-bidi;
                              mso-ansi-language: EN-US;
                              mso-fareast-language: ZH-CN;
                              mso-bidi-language: AR-SA;
                              mso-fareast-font-family: 宋体" lang="EN-US"><span
                                style="FONT-FAMILY: 微软雅黑; COLOR:
                                #000000; FONT-SIZE: 10.5pt"><span
                                  style="FONT-FAMILY: 微软雅黑; FONT-SIZE:
                                  10.5pt; mso-bidi-font-family: 'Times
                                  New Roman'; mso-bidi-font-size:
                                  11.0pt; mso-ascii-font-family:
                                  Calibri; mso-ascii-theme-font:
                                  minor-latin; mso-fareast-theme-font:
                                  minor-fareast; mso-hansi-font-family:
                                  Calibri; mso-hansi-theme-font:
                                  minor-latin; mso-bidi-theme-font:
                                  minor-bidi; mso-ansi-language: EN-US;
                                  mso-fareast-language: ZH-CN;
                                  mso-bidi-language: AR-SA">
                                  <div style="TEXT-ALIGN: left"><span><span
                                        style="FONT-SIZE: 12pt"></span>Best
                                      Regards</span></div>
                                  <div style="TEXT-ALIGN: left">
                                    <div style="TEXT-ALIGN: left"><span
                                        style="FONT-FAMILY: 微软雅黑; COLOR:
                                        #000000; FONT-SIZE: 10.5pt"><span
                                          style="FONT-FAMILY: 微软雅黑;
                                          FONT-SIZE: 10.5pt;
                                          mso-bidi-font-family: 'Times
                                          New Roman';
                                          mso-bidi-font-size: 11.0pt;
                                          mso-ascii-theme-font:
                                          minor-latin;
                                          mso-fareast-theme-font:
                                          minor-fareast;
                                          mso-hansi-theme-font:
                                          minor-latin;
                                          mso-bidi-theme-font:
                                          minor-bidi; mso-ansi-language:
                                          EN-US; mso-fareast-language:
                                          ZH-CN; mso-bidi-language:
                                          AR-SA;
                                          mso-fareast-font-family: 宋体"
                                          lang="EN-US">
                                          <p style="MARGIN: 0cm 0cm 0pt"
                                            class="MsoNormal"><span
                                              style="mso-bidi-language:
                                              EN-US" lang="EN-US"><font
                                                face="Calibri"><span
                                                  style="FONT-FAMILY:
                                                  微软雅黑; FONT-SIZE:
                                                  10.5pt"></span><o:p
                                                  style="MARGIN-TOP:
                                                  0px; MARGIN-BOTTOM:
                                                  0px"></o:p></font></span></p>
                                        </span></span></div>
                                    <span style="FONT-FAMILY: 宋体; COLOR:
                                      #000000; FONT-SIZE: 10.5pt"></span></div>
                                </span></span></span></span></span></span></div>
                  </span></div>
              </span></div>
          </div>
        </span></div>
      <div style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none;
        PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; PADDING-RIGHT: 0cm;
        BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none;
        PADDING-TOP: 3pt">
        <div style="PADDING-BOTTOM: 8px; PADDING-LEFT: 8px;
          PADDING-RIGHT: 8px; FONT-FAMILY: tahoma; BACKGROUND: #efefef;
          COLOR: #000000; FONT-SIZE: 12px; PADDING-TOP: 8px">
          <div><b>From:</b> <a moz-do-not-send="true"
              href="mailto:fabio.fantoni@m2r.biz">Fabio Fantoni</a></div>
          <div><b>Date:</b> 2014-07-17 16:52</div>
          <div><b>To:</b> <a moz-do-not-send="true"
              href="mailto:kevin.zhang@octlink.com">kevin.zhang@octlink.com</a>;
            <a moz-do-not-send="true"
              href="mailto:xen-devel@lists.xen.org">xen-devel</a></div>
          <div><b>Subject:</b> Re: [Xen-devel] QXL problem: Xen 4.4.1
            rc1 and xen 4.5 unstable</div>
        </div>
      </div>
      <div>
        <div style="BACKGROUND-COLOR: white"
          class="FoxDiv20140718095931402032">
          <div class="moz-cite-prefix">Il 17/07/2014 03:48, <a
              moz-do-not-send="true" class="moz-txt-link-abbreviated"
              href="mailto:kevin.zhang@octlink.com">kevin.zhang@octlink.com</a>
            ha scritto:<br>
          </div>
          <blockquote cite="mid:2014071709483539932587@octlink.com"
            type="cite">
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        LINE-HEIGHT: 1.5; FONT-FAMILY: &#24494; COLOR: #0000ff; FONT-SIZE: 12pt; 36719: ; 38597: ; 40657: 
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            <div>Hi Fabio Fantoni,</div>
            <div> </div>
            <div>     I finally got it. If that's not enough, I will
              provide more as u guide.</div>
            <div>     I adjust the time to just after xl create and can
              get stack info as follow :</div>
            <blockquote style="MARGIN-RIGHT: 0px" dir="ltr">
              <div style="COLOR: #ff0000; FONT-SIZE: 10pt">(gdb) target
                remote localhost:1234<br>
                Remote debugging using localhost:1234<br>
                Reading symbols from /lib64/ld-linux-x86-64.so.2...(no
                debugging symbols found)...done.<br>
                Loaded symbols for /lib64/ld-linux-x86-64.so.2<br>
                0x00007ffff7dddaf0 in ?? () from
                /lib64/ld-linux-x86-64.so.2<br>
                (gdb) c<br>
                Continuing.</div>
              <div style="COLOR: #ff0000; FONT-SIZE: 10pt"> </div>
              <div style="COLOR: #ff0000; FONT-SIZE: 10pt">Program
                received signal SIGABRT, Aborted.<br>
                0x00007ffff2e04475 in raise () from
                /lib/x86_64-linux-gnu/libc.so.6<br>
                (gdb) bt full<br>
                #0  0x00007ffff2e04475 in raise () from
                /lib/x86_64-linux-gnu/libc.so.6<br>
                No symbol table info available.<br>
                #1  0x00007ffff2e076f0 in abort () from
                /lib/x86_64-linux-gnu/libc.so.6<br>
                No symbol table info available.<br>
                #2  0x00007ffff2e3f52b in ?? () from
                /lib/x86_64-linux-gnu/libc.so.6<br>
                No symbol table info available.<br>
                #3  0x00007ffff2e48d76 in ?? () from
                /lib/x86_64-linux-gnu/libc.so.6<br>
                No symbol table info available.<br>
                #4  0x00007ffff2e4db1c in free () from
                /lib/x86_64-linux-gnu/libc.so.6<br>
                No symbol table info available.<br>
                #5  0x00007ffff3b5b44b in ?? () from
                /usr/lib/x86_64-linux-gnu/libpixman-1.so.0<br>
                No symbol table info available.<br>
                #6  0x00007ffff3b5b399 in pixman_image_unref () from
                /usr/lib/x86_64-linux-gnu/libpixman-1.so.0<br>
                No symbol table info available.<br>
                #7  0x000055555585283b in qemu_pixman_image_unref
                (image=0x555558cd1170) at ui/qemu-pixman.c:80<br>
                No locals.<br>
                #8  0x000055555587446b in vnc_dpy_switch
                (dcl=0x7fffe2cbc048, surface=0x5555563263c0) at
                ui/vnc.c:588<br>
                        vd = 0x7fffe2cbc010<br>
                        vs = 0xff000000180420<br>
                #9  0x000055555584be81 in dpy_gfx_replace_surface
                (con=0x5555566a2550, surface=0x5555563263c0) at
                ui/console.c:1404<br>
                        s = 0x555556715b90<br>
                        old_surface = 0x5555566e01e0<br>
                        dcl = 0x7fffe2cbc048<br>
                #10 0x00005555556ecd52 in
                qxl_render_update_area_unlocked (qxl=0x555556715bc0) at
                hw/display/qxl-render.c:131<br>
                        vga = 0x5555567166b0<br>
                        surface = 0x5555563263c0<br>
                        i = 0<br>
                #11 0x00005555556ed021 in qxl_render_update_area_bh
                (opaque=0x555556715bc0) at hw/display/qxl-render.c:183<br>
                        qxl = 0x555556715bc0<br>
                #12 0x00005555555f5330 in aio_bh_poll
                (ctx=0x5555562f1c30) at async.c:81<br>
                        bh = 0x5555565fb700<br>
                        bhp = 0x7ffff77bfe86<br>
                        next = 0x5555566afd00<br>
                        ret = 1<br>
                #13 0x00005555555f4f89 in aio_poll (ctx=0x5555562f1c30,
                blocking=false) at aio-posix.c:188<br>
                        node = 0x7ffff73269a4<br>
                        ret = 32767<br>
                ---Type <return> to continue, or q <return>
                to quit---<br>
                        progress = false<br>
                #14 0x00005555555f5747 in aio_ctx_dispatch
                (source=0x5555562f1c30, callback=0, user_data=0x0) at
                async.c:205<br>
                        ctx = 0x5555562f1c30<br>
                        __PRETTY_FUNCTION__ = "aio_ctx_dispatch"<br>
                #15 0x00007ffff730c355 in g_main_context_dispatch ()
                from /lib/x86_64-linux-gnu/libglib-2.0.so.0<br>
                No symbol table info available.<br>
                #16 0x00005555557d41ce in glib_pollfds_poll () at
                main-loop.c:190<br>
                        context = 0x5555562f27c0<br>
                        pfds = 0x5555566f75c0<br>
                #17 0x00005555557d42ce in os_host_main_loop_wait
                (timeout=0) at main-loop.c:235<br>
                        ret = 1<br>
                        spin_counter = 1<br>
                #18 0x00005555557d43a1 in main_loop_wait (nonblocking=0)
                at main-loop.c:484<br>
                        ret = 21845<br>
                        timeout = 4294967295<br>
                        timeout_ns = 17515866<br>
                #19 0x000055555587fe0c in main_loop () at vl.c:2051<br>
                        nonblocking = false<br>
                        last_io = 0<br>
                #20 0x00005555558877e6 in main (argc=64,
                argv=0x7fffffffdfb8, envp=0x7fffffffe1c0) at vl.c:4507<br>
                        i = 64<br>
                        snapshot = 0<br>
                        linux_boot = 0<br>
                        icount_option = 0x0<br>
                        initrd_filename = 0x0<br>
                        kernel_filename = 0x0<br>
                        kernel_cmdline = 0x555555a22304 ""<br>
                        boot_order = 0x5555562ef840 "dc"<br>
                        ds = 0x555556715b90<br>
                        cyls = 0<br>
                        heads = 0<br>
                        secs = 0<br>
                        translation = 0<br>
                        hda_opts = 0x0<br>
                        opts = 0x5555562ef790<br>
                        machine_opts = 0x5555562f13f0<br>
                        olist = 0x555555e08220<br>
                ---Type <return> to continue, or q <return>
                to quit---<br>
                        optind = 64<br>
                        optarg = 0x7fffffffe915
                "if=ide,index=1,media=cdrom,cache=writeback,id=ide-832"<br>
                        loadvm = 0x0<br>
                        machine_class = 0x5555562e8540<br>
                        machine = 0x555555e0de80<br>
                        cpu_model = 0x0<br>
                        vga_model = 0x0<br>
                        qtest_chrdev = 0x0<br>
                        qtest_log = 0x0<br>
                        pid_file = 0x0<br>
                        incoming = 0x0<br>
                        show_vnc_port = 0<br>
                        defconfig = true<br>
                        userconfig = true<br>
                        log_mask = 0x0<br>
                        log_file = 0x0<br>
                        mem_trace = {malloc = 0x55555588369e
                <malloc_and_trace>, realloc = 0x5555558836f6
                <realloc_and_trace>, <br>
                          free = 0x55555588375d <free_and_trace>,
                calloc = 0, try_malloc = 0, try_realloc = 0}<br>
                        trace_events = 0x0<br>
                        trace_file = 0x0<br>
                        __func__ = "main"<br>
                        args = {machine = 0x555555e0de80, ram_size =
                4160749568, boot_order = 0x5555562ef840 "dc", <br>
                          kernel_filename = 0x0, kernel_cmdline =
                0x555555a22304 "", initrd_filename = 0x0, cpu_model =
                0x0}</div>
            </blockquote>
          </blockquote>
          <br>
          <font color="#000000">In your test vnc is still enabled,
            right? Can you try disabling vnc (vnc=0 in domU's xl cfg)?<br>
            Install also these packages for missed symbols: libc6-dbg
            libpixman-1-0-dbg</font><br>
          <font color="#000000"><br>
            Thanks for any reply.</font><br>
          <br>
          <blockquote cite="mid:2014071709483539932587@octlink.com"
            type="cite">
            <div> </div>
            <div> </div>
            <hr style="WIDTH: 210px; HEIGHT: 1px" color="#b5c4df"
              size="1" align="left">
            <div><span>
                <div style="MARGIN-TOP: 10px; FONT-FAMILY: 宋体; COLOR:
                  #000000; MARGIN-LEFT: 10px; FONT-SIZE: 10.5pt;
                  MARGIN-RIGHT: 10px">
                  <div><span style="FONT-FAMILY: 宋体; COLOR: #000000;
                      FONT-SIZE: 10.5pt">
                      <div><span>
                          <div style="TEXT-ALIGN: right"><span
                              style="FONT-FAMILY: 微软雅黑; COLOR: #000000;
                              FONT-SIZE: 10.5pt"><span
                                style="FONT-FAMILY: 微软雅黑; FONT-SIZE:
                                10.5pt; mso-bidi-font-family: 'Times New
                                Roman'; mso-bidi-font-size: 11.0pt;
                                mso-ascii-font-family: Calibri;
                                mso-ascii-theme-font: minor-latin;
                                mso-fareast-theme-font: minor-fareast;
                                mso-hansi-font-family: Calibri;
                                mso-hansi-theme-font: minor-latin;
                                mso-bidi-theme-font: minor-bidi;
                                mso-ansi-language: EN-US;
                                mso-fareast-language: ZH-CN;
                                mso-bidi-language: AR-SA"><span
                                  style="FONT-FAMILY: 微软雅黑; COLOR:
                                  #000000; FONT-SIZE: 10.5pt"><span
                                    style="FONT-FAMILY: 微软雅黑; FONT-SIZE:
                                    10.5pt; mso-bidi-font-family: 'Times
                                    New Roman'; mso-bidi-font-size:
                                    11.0pt; mso-ascii-font-family:
                                    Calibri; mso-ascii-theme-font:
                                    minor-latin; mso-fareast-theme-font:
                                    minor-fareast;
                                    mso-hansi-font-family: Calibri;
                                    mso-hansi-theme-font: minor-latin;
                                    mso-bidi-theme-font: minor-bidi;
                                    mso-ansi-language: EN-US;
                                    mso-fareast-language: ZH-CN;
                                    mso-bidi-language: AR-SA"></span><span
                                    style="FONT-FAMILY: 微软雅黑; FONT-SIZE:
                                    8pt; mso-bidi-font-family: 'Times
                                    New Roman'; mso-bidi-font-size:
                                    11.0pt; mso-ascii-theme-font:
                                    minor-latin; mso-fareast-theme-font:
                                    minor-fareast; mso-hansi-theme-font:
                                    minor-latin; mso-bidi-theme-font:
                                    minor-bidi; mso-ansi-language:
                                    EN-US; mso-fareast-language: ZH-CN;
                                    mso-bidi-language: AR-SA;
                                    mso-fareast-font-family: 宋体"
                                    lang="EN-US"><span
                                      style="FONT-FAMILY: 微软雅黑; COLOR:
                                      #000000; FONT-SIZE: 10.5pt"><span
                                        style="FONT-FAMILY: 微软雅黑;
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                                        Roman'; mso-bidi-font-size:
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                                        mso-ansi-language: EN-US;
                                        mso-fareast-language: ZH-CN;
                                        mso-bidi-language: AR-SA">
                                        <div style="TEXT-ALIGN: left"><span><span
                                              style="FONT-SIZE: 12pt"></span>Best
                                            Regards</span></div>
                                        <div style="TEXT-ALIGN: left">
                                          <div style="TEXT-ALIGN: left"><span
                                              style="FONT-FAMILY: 微软雅黑;
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                                                minor-latin;
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                                                minor-bidi;
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                                                EN-US;
                                                mso-fareast-language:
                                                ZH-CN;
                                                mso-bidi-language:
                                                AR-SA;
                                                mso-fareast-font-family:
                                                宋体" lang="EN-US">
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                                                        style="MARGIN-TOP:
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                                            COLOR: #000000; FONT-SIZE:
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            <div style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium
              none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm;
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                PADDING-RIGHT: 8px; FONT-FAMILY: tahoma; BACKGROUND:
                #efefef; COLOR: #000000; FONT-SIZE: 12px; PADDING-TOP:
                8px">
                <div><b>发件人:</b> <a href="mailto:fabio.fantoni@m2r.biz"
                    moz-do-not-send="true">Fabio Fantoni</a></div>
                <div><b>发送时间:</b> 2014-07-16 17:03</div>
                <div><b>收件人:</b> <a
                    href="mailto:kevin.zhang@octlink.com"
                    moz-do-not-send="true">kevin.zhang@octlink.com</a>;
                  <a href="mailto:xen-devel@lists.xen.org"
                    moz-do-not-send="true">xen-devel</a></div>
                <div><b>主题:</b> Re:回复: Re: [Xen-devel] QXL problem: Xen
                  4.4.1 rc1 and xen 4.5 unstable</div>
              </div>
            </div>
            <div>
              <div style="BACKGROUND-COLOR: white"
                class="FoxDiv20140717094540398012">
                <div class="moz-cite-prefix">Il 16/07/2014 09:04, <a
                    class="moz-txt-link-abbreviated"
                    href="mailto:kevin.zhang@octlink.com"
                    moz-do-not-send="true">kevin.zhang@octlink.com</a>
                  ha scritto:<br>
                </div>
                <blockquote
                  cite="mid:2014071615035855791678@octlink.com"
                  type="cite">
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                  <div>Hi Fabio Fantoni,</div>
                  <div> </div>
                  <div>     Thank you for your advice for building xen
                    unstable.</div>
                  <div>     Because I have to use debian wheezy as
                    production distro, I've got to do the test in it.</div>
                  <div>     Today, I edit Config.mk and write:</div>
                  <div>
                    <div>QEMU_UPSTREAM_URL = git://git.qemu.org/qemu.git</div>
                    <div>QEMU_UPSTREAM_REVISION = master</div>
                  </div>
                  <div>     Then, the built qemu-xen binary works well. 
                    Therefore, I guess that
                    git://xenbits.xen.org/qemu-upstream-unstable.git 
                    has some very little difference</div>
                  <div>compared to qemu.git. Maybe your environment
                    cannot repeat  that problem either, I'd like to
                    provide any useful information to resolve this
                    problem.</div>
                </blockquote>
                <br>
                <font color="#000000">I also use wheezy for both
                  production and develop/testing.<br>
                  I tried now on my latest testing build, of some days
                  ago xen from rebase/m2r-staging branch and qemu
                  mainline with same Config.mk before build.<br>
                  On windows 7 pro 64 bit domUs with latest spice guest
                  tools auto and manual resolution change works without
                  problem.<br>
                  I'm still unable to reproduce your qemu crash.<br>
                  <br>
                  You can retry to catch and post backtrace with my
                  latest better explain?</font><br>
                <br>
                <blockquote type="cite"><font color="#000000">I know, I
                    already posted the solution but I try to explain
                    better.</font><br>
                  <br>
                  <font color="#000000"># after xl create with (qemu
                    gdb), do it fast after xl create when arrive on qemu
                    process launch (before timeout or xl create will
                    fails)<br>
                    target remote localhost:1234 # prepare this command
                    in other ssh to the xen dom0 and enter on xl create
                    when arrive on qemu launch<br>
                    c # press immediatly<br>
                    bt full # when qemu stops</font><br>
                  <br>
                  <font color="#000000">Sorry for my bad english.</font></blockquote>
                <br>
                <br>
                <blockquote
                  cite="mid:2014071615035855791678@octlink.com"
                  type="cite">
                  <div> </div>
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                                          style="FONT-FAMILY: 微软雅黑;
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                                          mso-fareast-font-family: 宋体"
                                          lang="EN-US"><span
                                            style="FONT-FAMILY: 微软雅黑;
                                            COLOR: #000000; FONT-SIZE:
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                                              style="FONT-FAMILY: 微软雅黑;
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                                              Calibri;
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                                              AR-SA">
                                              <div style="TEXT-ALIGN:
                                                left"><span><span
                                                    style="FONT-SIZE:
                                                    12pt"></span>Best
                                                  Regards</span></div>
                                              <div style="TEXT-ALIGN:
                                                left">
                                                <div style="TEXT-ALIGN:
                                                  left"><span
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                                                      EN-US;
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                                                      ZH-CN;
                                                      mso-bidi-language:
                                                      AR-SA;
                                                      mso-fareast-font-family:
                                                      宋体" lang="EN-US">
                                                      <p style="MARGIN:
                                                        0cm 0cm 0pt"
                                                        class="MsoNormal"><span
                                                          style="mso-bidi-language:
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                                                          lang="EN-US"><font
                                                          face="Calibri"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑;
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                                                          10.5pt"></span><o:p
                                                          style="MARGIN-TOP:
                                                          0px;
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                                                          0px"></o:p></font></span></p>
                                                    </span></span></div>
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                                                  style="FONT-FAMILY:
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                    </span></div>
                  <div style="BORDER-BOTTOM: medium none; BORDER-LEFT:
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                    BORDER-RIGHT: medium none; PADDING-TOP: 3pt">
                    <div style="PADDING-BOTTOM: 8px; PADDING-LEFT: 8px;
                      PADDING-RIGHT: 8px; FONT-FAMILY: tahoma;
                      BACKGROUND: #efefef; COLOR: #000000; FONT-SIZE:
                      12px; PADDING-TOP: 8px">
                      <div><b>From:</b> <a
                          href="mailto:fabio.fantoni@m2r.biz"
                          moz-do-not-send="true">Fabio Fantoni</a></div>
                      <div><b>Date:</b> 2014-07-15 16:09</div>
                      <div><b>To:</b> <a
                          href="mailto:kevin.zhang@octlink.com"
                          moz-do-not-send="true">kevin.zhang@octlink.com</a>;
                        <a href="mailto:xen-devel@lists.xen.org"
                          moz-do-not-send="true">xen-devel</a></div>
                      <div><b>Subject:</b> Re: [Xen-devel] QXL problem:
                        Xen 4.4.1 rc1 and xen 4.5 unstable</div>
                    </div>
                  </div>
                  <div>
                    <div style="BACKGROUND-COLOR: white"
                      class="FoxDiv20140716150001421338">
                      <div class="moz-cite-prefix">Il 15/07/2014 07:53,
                        <a class="moz-txt-link-abbreviated"
                          href="mailto:kevin.zhang@octlink.com"
                          moz-do-not-send="true">kevin.zhang@octlink.com</a>
                        ha scritto:<br>
                      </div>
                      <blockquote
                        cite="mid:2014071513535911540472@octlink.com"
                        type="cite">
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                          9.00.8112.16457">
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                        <div>Hi Fabio Fantoni,</div>
                        <div>      Today I tried to use wheezy backports
                          version of spice-server, the problem persists
                          with qemu-xen binary, while my self compiled
                          qemu 2.0 works well.</div>
                        <div>I think it is a problem and can be
                          repeated.</div>
                        <div>     Then, I will summarize my compilation
                          process here:</div>
                        <div>     Firstly install debian wheezy 7.5
                          amd64 and necessary build dependency. Then:</div>
                        <blockquote style="MARGIN-RIGHT: 0px" dir="ltr">
                          <div style="COLOR: #ff0000">1. git clone  <a
                              style="COLOR: #ff0000" class="external
                              text"
                              title="http://xenbits.xen.org/gitweb/?p=xen.git"
href="http://xenbits.xen.org/gitweb/?p=xen.git" rel="nofollow"
                              moz-do-not-send="true">git://xenbits.xen.org/xen.git</a></div>
                          <div style="COLOR: #ff0000">2.  install
                            backport version  libspice-server-dev
                            libspice-protocol-dev</div>
                          <blockquote style="MARGIN-RIGHT: 0px"
                            dir="ltr">
                            <div style="COLOR: #ff0000">root@debian:~# 
                              apt-cache policy libspice-server-dev
                              libspice-protocol-dev</div>
                            <div style="COLOR: #ff0000">libspice-server-dev:</div>
                            <div style="COLOR: #ff0000">  Installed:
                              0.12.4-0nocelt2~bpo70+1</div>
                            <div style="COLOR: #ff0000">  Candidate:
                              0.12.4-0nocelt2~bpo70+1</div>
                            <div style="COLOR: #ff0000">  Version table:</div>
                            <div style="COLOR: #ff0000">***
                              0.12.4-0nocelt2~bpo70+1 0</div>
                            <div style="COLOR: #ff0000">        100 <a
                                class="moz-txt-link-freetext"
                                href="http://cdn.debian.net/debian/"
                                moz-do-not-send="true">http://cdn.debian.net/debian/</a>
                              wheezy-backports/main amd64 Packages</div>
                            <div style="COLOR: #ff0000">        100
                              /var/lib/dpkg/status</div>
                            <div style="COLOR: #ff0000">libspice-protocol-dev:</div>
                            <div style="COLOR: #ff0000">  Installed:
                              0.12.6-1~bpo70+2</div>
                            <div style="COLOR: #ff0000">  Candidate:
                              0.12.6-1~bpo70+2</div>
                            <div style="COLOR: #ff0000">  Version table:</div>
                            <div style="COLOR: #ff0000">***
                              0.12.6-1~bpo70+2 0</div>
                            <div style="COLOR: #ff0000">        100 <a
                                class="moz-txt-link-freetext"
                                href="http://cdn.debian.net/debian/"
                                moz-do-not-send="true">http://cdn.debian.net/debian/</a>
                              wheezy-backports/main amd64 Packages</div>
                            <div style="COLOR: #ff0000">        100
                              /var/lib/dpkg/status</div>
                          </blockquote>
                          <div style="COLOR: #ff0000"> 3. patch for QXL
                            option</div>
                          <div style="COLOR: #ff0000"> 4. ./configure
                            --prefix=/usr </div>
                          <div style="COLOR: #ff0000"> 5. add spice and
                            usb-redir option for qemu-xen-upstream</div>
                          <div style="COLOR: #ff0000"> 6. make xen;make
                            tools;make install-xen;make install-tools</div>
                        </blockquote>
                        <div> </div>
                        <div>       To compile qemu 2.0 from qemu.org:</div>
                        <div style="COLOR: #ff0000">       1. wget <a
                            style="COLOR: #ff0000"
                            href="http://wiki.qemu-project.org/download/qemu-2.0.0.tar.bz2"
                            moz-do-not-send="true">http://wiki.qemu-project.org/download/qemu-2.0.0.tar.bz2</a></div>
                        <div style="COLOR: #ff0000">       2.
                          ./configure --enable-xen
                          --target-list=i386-softmmu
                          --extra-cflags="-I/usr/src/xen/tools/include
                          -I/usr/src/xen/tools/libxc
                          -I/usr/src/xen/tools/xenstore" \</div>
                        <div style="COLOR: #ff0000">          
                           --enable-spice --enable-usb-redir </div>
                        <div style="COLOR: #ff0000">       3 .make;make
                          install</div>
                        <div> </div>
                        <div> </div>
                      </blockquote>
                      <font color="#000000"><br>
                        For fast unstable tests I do this (using my
                        github rebase/m2r-*):<br>
                        Install of opus, usbredir and libusbx from
                        backports.<br>
                        Rebuild and install new seabios 1.7.5-1 and
                        spice packages (server 0.12.5-1 and protocol </font><font
                        color="#000000">0.12.7-1) from sid that contains
                        many fixes </font><font color="#000000"><font
                          color="#000000">(simply and fast with git
                          clone of debian repository and debuild)</font>.<br>
                        ./configure --prefix=/usr
                        --enable-qemu-traditional=no
                        --with-system-seabios=/usr/share/seabios/bios-256k.bin
                        --with-extra-qemuu-configure-args="--enable-spice
                        --enable-usb-redir"<br>
                        make debball<br>
                        dpkg -i of xen package in dist (contain both xen
                        and qemu)<br>
                        And if I need to test newer qemu in development
                        I simply change the qemu git with mainline in
                        Config.mk.</font><br>
                      <br>
                      <font color="#000000">And for newer production
                        servers I start prepared new xen's debian
                        packages awaiting debian maintainers replies:<br>
                        <a class="moz-txt-link-freetext"
                          href="https://github.com/Fantu/pkg-xen/tree/wheezy-backports"
                          moz-do-not-send="true">https://github.com/Fantu/pkg-xen/tree/wheezy-backports</a><br>
                        Needs also qemu rebuild to use new xen 4.4
                        libraries (simply and fast with git clone of
                        debian repository and debuild).</font><br>
                      <br>
                      <font color="#000000">There is also a problem of
                        jpeg-turbo in debian and for have better
                        performances and not too many cpu waste I for
                        now solved with:<br>
                        apt-key adv --recv-keys --keyserver
                        keys.gnupg.net E1F958385BFE2B6E<br>
                        vi /etc/apt/sources.list.d/x2go.list<br>
                        # X2Go Repository (for jpeg-turbo as default and
                        with full -dev package)<br>
                        deb <a class="moz-txt-link-freetext"
                          href="http://packages.x2go.org/debian"
                          moz-do-not-send="true">http://packages.x2go.org/debian</a>
                        wheezy heuler<br>
                        deb-src <a class="moz-txt-link-freetext"
                          href="http://packages.x2go.org/debian"
                          moz-do-not-send="true">http://packages.x2go.org/debian</a>
                        wheezy heuler<br>
                        aptitude update<br>
                        aptitude install x2go-keyring &&
                        aptitude update<br>
                        aptitude install libjpeg8-turbo-dev</font><br>
                      <br>
                      <blockquote
                        cite="mid:2014071513535911540472@octlink.com"
                        type="cite">
                        <div> </div>
                        <hr style="WIDTH: 210px; HEIGHT: 1px"
                          color="#b5c4df" size="1" align="left">
                        <div><span>
                            <div style="MARGIN-TOP: 10px; FONT-FAMILY:
                              宋体; COLOR: #000000; MARGIN-LEFT: 10px;
                              FONT-SIZE: 10.5pt; MARGIN-RIGHT: 10px">
                              <div><span style="FONT-FAMILY: 宋体; COLOR:
                                  #000000; FONT-SIZE: 10.5pt">
                                  <div><span>
                                      <div style="TEXT-ALIGN: right"><span
                                          style="FONT-FAMILY: 微软雅黑;
                                          COLOR: #000000; FONT-SIZE:
                                          10.5pt"><span
                                            style="FONT-FAMILY: 微软雅黑;
                                            FONT-SIZE: 10.5pt;
                                            mso-bidi-font-family: 'Times
                                            New Roman';
                                            mso-bidi-font-size: 11.0pt;
                                            mso-ascii-font-family:
                                            Calibri;
                                            mso-ascii-theme-font:
                                            minor-latin;
                                            mso-fareast-theme-font:
                                            minor-fareast;
                                            mso-hansi-font-family:
                                            Calibri;
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                                            minor-latin;
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                                            minor-bidi;
                                            mso-ansi-language: EN-US;
                                            mso-fareast-language: ZH-CN;
                                            mso-bidi-language: AR-SA"><span
                                              style="FONT-FAMILY: 微软雅黑;
                                              COLOR: #000000; FONT-SIZE:
                                              10.5pt"><span
                                                style="FONT-FAMILY:
                                                微软雅黑; FONT-SIZE: 10.5pt;
                                                mso-bidi-font-family:
                                                'Times New Roman';
                                                mso-bidi-font-size:
                                                11.0pt;
                                                mso-ascii-font-family:
                                                Calibri;
                                                mso-ascii-theme-font:
                                                minor-latin;
                                                mso-fareast-theme-font:
                                                minor-fareast;
                                                mso-hansi-font-family:
                                                Calibri;
                                                mso-hansi-theme-font:
                                                minor-latin;
                                                mso-bidi-theme-font:
                                                minor-bidi;
                                                mso-ansi-language:
                                                EN-US;
                                                mso-fareast-language:
                                                ZH-CN;
                                                mso-bidi-language:
                                                AR-SA"></span><span
                                                style="FONT-FAMILY:
                                                微软雅黑; FONT-SIZE: 8pt;
                                                mso-bidi-font-family:
                                                'Times New Roman';
                                                mso-bidi-font-size:
                                                11.0pt;
                                                mso-ascii-theme-font:
                                                minor-latin;
                                                mso-fareast-theme-font:
                                                minor-fareast;
                                                mso-hansi-theme-font:
                                                minor-latin;
                                                mso-bidi-theme-font:
                                                minor-bidi;
                                                mso-ansi-language:
                                                EN-US;
                                                mso-fareast-language:
                                                ZH-CN;
                                                mso-bidi-language:
                                                AR-SA;
                                                mso-fareast-font-family:
                                                宋体" lang="EN-US"><span
                                                  style="FONT-FAMILY:
                                                  微软雅黑; COLOR: #000000;
                                                  FONT-SIZE: 10.5pt"><span
                                                    style="FONT-FAMILY:
                                                    微软雅黑; FONT-SIZE:
                                                    10.5pt;
                                                    mso-bidi-font-family:
                                                    'Times New Roman';
                                                    mso-bidi-font-size:
                                                    11.0pt;
                                                    mso-ascii-font-family:
                                                    Calibri;
                                                    mso-ascii-theme-font:
                                                    minor-latin;
                                                    mso-fareast-theme-font:
                                                    minor-fareast;
                                                    mso-hansi-font-family:
                                                    Calibri;
                                                    mso-hansi-theme-font:
                                                    minor-latin;
                                                    mso-bidi-theme-font:
                                                    minor-bidi;
                                                    mso-ansi-language:
                                                    EN-US;
                                                    mso-fareast-language:
                                                    ZH-CN;
                                                    mso-bidi-language:
                                                    AR-SA">
                                                    <div
                                                      style="TEXT-ALIGN:
                                                      left"><span><span
                                                          style="FONT-SIZE:
                                                          12pt"></span>Best
                                                        Regards</span></div>
                                                    <div
                                                      style="TEXT-ALIGN:
                                                      left">
                                                      <div
                                                        style="TEXT-ALIGN:
                                                        left"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑; COLOR:
                                                          #000000;
                                                          FONT-SIZE:
                                                          10.5pt"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑;
                                                          FONT-SIZE:
                                                          10.5pt;
                                                          mso-bidi-font-family:
                                                          'Times New
                                                          Roman';
                                                          mso-bidi-font-size:
                                                          11.0pt;
                                                          mso-ascii-theme-font:
                                                          minor-latin;
                                                          mso-fareast-theme-font:
                                                          minor-fareast;
                                                          mso-hansi-theme-font:
                                                          minor-latin;
                                                          mso-bidi-theme-font:
                                                          minor-bidi;
                                                          mso-ansi-language:
                                                          EN-US;
                                                          mso-fareast-language:
                                                          ZH-CN;
                                                          mso-bidi-language:
                                                          AR-SA;
                                                          mso-fareast-font-family:
                                                          宋体"
                                                          lang="EN-US">
                                                          <p
                                                          style="MARGIN:
                                                          0cm 0cm 0pt"
                                                          class="MsoNormal"><span
                                                          style="mso-bidi-language:
                                                          EN-US"
                                                          lang="EN-US"><font
                                                          face="Calibri"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑;
                                                          FONT-SIZE:
                                                          10.5pt"></span><o:p
                                                          style="MARGIN-TOP:
                                                          0px;
                                                          MARGIN-BOTTOM:
                                                          0px"></o:p></font></span></p>
                                                          </span></span></div>
                                                      <span
                                                        style="FONT-FAMILY:
                                                        宋体; COLOR:
                                                        #000000;
                                                        FONT-SIZE:
                                                        10.5pt"></span></div>
                                                  </span></span></span></span></span></span></div>
                                    </span></div>
                                </span></div>
                            </div>
                          </span></div>
                        <div style="BORDER-BOTTOM: medium none;
                          BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm;
                          PADDING-LEFT: 0cm; PADDING-RIGHT: 0cm;
                          BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT:
                          medium none; PADDING-TOP: 3pt">
                          <div style="PADDING-BOTTOM: 8px; PADDING-LEFT:
                            8px; PADDING-RIGHT: 8px; FONT-FAMILY:
                            tahoma; BACKGROUND: #efefef; COLOR: #000000;
                            FONT-SIZE: 12px; PADDING-TOP: 8px">
                            <div><b>发件人:</b> <a
                                href="mailto:kevin.zhang@octlink.com"
                                moz-do-not-send="true">kevin.zhang@octlink.com</a></div>
                            <div><b>发送时间:</b> 2014-07-14 16:49</div>
                            <div><b>收件人:</b> <a
                                href="mailto:fabio.fantoni@m2r.biz"
                                moz-do-not-send="true">Fabio Fantoni</a>;
                              <a href="mailto:xen-devel@lists.xen.org"
                                moz-do-not-send="true">xen-devel</a></div>
                            <div><b>主题:</b> 回复: Re: [Xen-devel] QXL
                              problem: Xen 4.4.1 rc1 and xen 4.5
                              unstable</div>
                          </div>
                        </div>
                        <div>
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                            class="FoxDiv20140715134443784628">
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        LINE-HEIGHT: 1.5; FONT-FAMILY: & COLOR: #0000ff; FONT-SIZE: 12pt; 36719: ; 38597: ; 40657: ; 24494: 
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</style>
                            <meta name="GENERATOR" content="MSHTML

                              9.00.8112.16457">
                            <div>Hi Fabio Fantoni,</div>
                            <div>     </div>
                            <div>      Thank you for your reply.</div>
                            <div>      It is really weird. </div>
                            <div>      I compiled both qemu binary (
                              qemu-upstream in xen and qemu-2.0
                              from qemu.org website) in the same
                              environment,  the binary in xen has the
                              problem while </div>
                            <div>the other one works well.</div>
                            <div>      I will check whether wheezy
                              backport has libspice-server-dev and
                              libspice-protocol-dev and try again. </div>
                            <div> </div>
                            <hr style="WIDTH: 210px; HEIGHT: 1px"
                              color="#b5c4df" size="1" align="left">
                            <div><span>
                                <div style="MARGIN-TOP: 10px;
                                  FONT-FAMILY: 宋体; COLOR: #000000;
                                  MARGIN-LEFT: 10px; FONT-SIZE: 10.5pt;
                                  MARGIN-RIGHT: 10px">
                                  <div><span style="FONT-FAMILY: 宋体;
                                      COLOR: #000000; FONT-SIZE: 10.5pt">
                                      <div><span>
                                          <div style="TEXT-ALIGN: right"><span
                                              style="FONT-FAMILY: 微软雅黑;
                                              COLOR: #000000; FONT-SIZE:
                                              10.5pt"><span
                                                style="FONT-FAMILY:
                                                微软雅黑; FONT-SIZE: 10.5pt;
                                                mso-bidi-font-family:
                                                'Times New Roman';
                                                mso-bidi-font-size:
                                                11.0pt;
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                                                Calibri;
                                                mso-ascii-theme-font:
                                                minor-latin;
                                                mso-fareast-theme-font:
                                                minor-fareast;
                                                mso-hansi-font-family:
                                                Calibri;
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                                                minor-latin;
                                                mso-bidi-theme-font:
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                                                AR-SA"><span
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                                                    style="FONT-FAMILY:
                                                    微软雅黑; FONT-SIZE:
                                                    10.5pt;
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                                                    'Times New Roman';
                                                    mso-bidi-font-size:
                                                    11.0pt;
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                                                    Calibri;
                                                    mso-ascii-theme-font:
                                                    minor-latin;
                                                    mso-fareast-theme-font:
                                                    minor-fareast;
                                                    mso-hansi-font-family:
                                                    Calibri;
                                                    mso-hansi-theme-font:
                                                    minor-latin;
                                                    mso-bidi-theme-font:
                                                    minor-bidi;
                                                    mso-ansi-language:
                                                    EN-US;
                                                    mso-fareast-language:
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                                                    mso-bidi-language:
                                                    AR-SA"></span><span
                                                    style="FONT-FAMILY:
                                                    微软雅黑; FONT-SIZE:
                                                    8pt;
                                                    mso-bidi-font-family:
                                                    'Times New Roman';
                                                    mso-bidi-font-size:
                                                    11.0pt;
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                                                    minor-latin;
                                                    mso-fareast-theme-font:
                                                    minor-fareast;
                                                    mso-hansi-theme-font:
                                                    minor-latin;
                                                    mso-bidi-theme-font:
                                                    minor-bidi;
                                                    mso-ansi-language:
                                                    EN-US;
                                                    mso-fareast-language:
                                                    ZH-CN;
                                                    mso-bidi-language:
                                                    AR-SA;
                                                    mso-fareast-font-family:
                                                    宋体" lang="EN-US"><span
                                                      style="FONT-
                                                      FAMILY: 微软雅黑;
                                                      COLOR: #000000;
                                                      FONT-SIZE: 10.5pt"><span
                                                        style="FONT-FAMILY:
                                                        微软雅黑; FONT-SIZE:
                                                        10.5pt;
                                                        mso-bidi-font-family:
                                                        'Times New
                                                        Roman';
                                                        mso-bidi-font-size:
                                                        11.0pt;
                                                        mso-ascii-font-family:
                                                        Calibri;
                                                        mso-ascii-theme-font:
                                                        minor-latin;
                                                        mso-fareast-theme-font:
                                                        minor-fareast;
                                                        mso-hansi-font-family:
                                                        Calibri;
                                                        mso-hansi-theme-font:
                                                        minor-latin;
                                                        mso-bidi-theme-font:
                                                        minor-bidi;
                                                        mso-ansi-language:
                                                        EN-US;
                                                        mso-fareast-language:
                                                        ZH-CN;
                                                        mso-bidi-language:
                                                        AR-SA">
                                                        <div
                                                          style="TEXT-ALIGN:
                                                          left"><span><span
                                                          style="FONT-SIZE:
                                                          12pt"></span>Best
                                                          Regards</span></div>
                                                        <div
                                                          style="TEXT-ALIGN:
                                                          left">
                                                          <div
                                                          style="TEXT-ALIGN:
                                                          left"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑; COLOR:
                                                          #000000;
                                                          FONT-SIZE:
                                                          10.5pt"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑;
                                                          FONT-SIZE:
                                                          10.5pt;
                                                          mso-bidi-font-family:
                                                          'Times New
                                                          Roman';
                                                          mso-bidi-font-size:
                                                          11.0pt;
                                                          mso-ascii-theme-font:
                                                          minor-latin;
                                                          mso-fareast-theme-font:
                                                          minor-fareast;
                                                          mso-hansi-theme-font:
                                                          minor-latin;
                                                          mso-bidi-theme-font:
                                                          minor-bidi;
                                                          mso-ansi-language:
                                                          EN-US;
                                                          mso-fareast-language:
                                                          ZH-CN;
                                                          mso-bidi-language:
                                                          AR-SA;
                                                          mso-fareast-font-family:
                                                          宋体"
                                                          lang="EN-US">
                                                          <p
                                                          style="MARGIN:
                                                          0cm 0cm 0pt"
                                                          class="MsoNormal"><span
                                                          style="mso-bidi-language:
                                                          EN-US"
                                                          lang="EN-US"><font
                                                          face="Calibri"><span
                                                          style="FONT-SIZE:
                                                          10.5pt; FONT-:
                                                          微软雅黑"></span><o:p
                                                          style="MARGIN-TOP:
                                                          0px;
                                                          MARGIN-BOTTOM:
                                                          0px"></o:p></font></span></p>
                                                          </span></span></div>
                                                          <span
                                                          style="FONT-FAMILY:
                                                          宋体; COLOR:
                                                          #000000;
                                                          FONT-SIZE:
                                                          10.5pt"></span></div>
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                                <div><b>From:</b> <a
                                    href="mailto:fabio.fantoni@m2r.biz"
                                    moz-do-not-send="true">Fabio Fantoni</a></div>
                                <div><b>Date:</b> 2014-07-14 15:59</div>
                                <div><b>To:</b> <a
                                    href="mailto:kevin.zhang@octlink.com"
                                    moz-do-not-send="true">kevin.zhang@octlink.com</a>;
                                  <a
                                    href="mailto:xen-devel@lists.xen.org"
                                    moz-do-not-send="true">xen-devel</a></div>
                                <div><b>Subject:</b> Re: [Xen-devel] QXL
                                  problem: Xen 4.4.1 rc1 and xen 4.5
                                  unstable</div>
                              </div>
                            </div>
                            <div>
                              <div style="BACKGROUND-COLOR: white"
                                class="FoxDiv20140714164416244129">
                                <div class="moz-cite-prefix">Il
                                  14/07/2014 07:29, <a
                                    class="moz-txt-link-abbreviated"
                                    href="mailto:kevin.zhang@octlink.com"
                                    moz-do-not-send="true">kevin.zhang@octlink.com</a>
                                  ha scritto:<br>
                                </div>
                                <blockquote
                                  cite="mid:2014071413295244395449@octlink.com"
                                  type="cite">
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                                  <div>Hi Fabio Fantoni,</div>
                                  <div>    </div>
                                  <div>     Today, I've done another
                                    test on xenbits xen 4.5 unstable.</div>
                                  <div>     This time, I directly
                                    compiled xen on my test server, and
                                    use default libspice-server-dev  and
                                    libspice-protocol-dev header files
                                    for spice option.</div>
                                  <div>    </div>
                                  <blockquote style="MARGIN-RIGHT: 0px"
                                    dir="ltr">
                                    <blockquote style="MARGIN-RIGHT:
                                      0px" dir="ltr">
                                      <div style="COLOR: #ff0000">root@debian:~#
                                        apt-cache policy
                                        libspice-server-dev
                                        libspice-protocol-dev</div>
                                      <div style="COLOR: #ff0000">libspice-server-dev:</div>
                                      <div style="COLOR: #ff0000"> 
                                        Installed: 0.11.0-1+deb7u1</div>
                                      <div style="COLOR: #ff0000"> 
                                        Candidate: 0.11.0-1+deb7u1</div>
                                      <div style="COLOR: #ff0000"> 
                                        Version table:</div>
                                      <div style="COLOR: #ff0000">***
                                        0.11.0-1+deb7u1 0</div>
                                      <div style="COLOR: #ff0000">       
                                        500 <a
                                          class="moz-txt-link-freetext"
href="http://cdn.debian.net/debian/" moz-do-not-send="true">http://cdn.debian.net/debian/</a>
                                        wheezy/main amd64 Packages</div>
                                      <div style="COLOR: #ff0000">       
                                        100 /var/lib/dpkg/status</div>
                                      <div style="COLOR: #ff0000">libspice-protocol-dev:</div>
                                      <div style="COLOR: #ff0000"> 
                                        Installed: 0.10.1-1</div>
                                      <div style="COLOR: #ff0000"> 
                                        Candidate: 0.10.1-1</div>
                                      <div style="COLOR: #ff0000"> 
                                        Version table:</div>
                                      <div style="COLOR: #ff0000">***
                                        0.10.1-1 0</div>
                                      <div style="COLOR: #ff0000">       
                                        500 <a
                                          class="moz-txt-link-freetext"
href="http://cdn.debian.net/debian/" moz-do-not-send="true">http://cdn.debian.net/debian/</a>
                                        wheezy/main amd64 Packages</div>
                                      <div style="COLOR: #ff0000">       
                                        100 /var/lib/dpkg/status</div>
                                    </blockquote>
                                  </blockquote>
                                  <div> </div>
                                  <div>     I also download qemu-2.0
                                    source code from qemu.org, and
                                    compiled it by the way mentioned in
                                    <a
                                      href="http://wiki.xen.org/wiki/QEMU_Upstream"
                                      moz-do-not-send="true">http://wiki.xen.org/wiki/QEMU_Upstream</a>.</div>
                                  <div>     Then I create win7 hvm with
                                    qemu-xen and
                                    /usr/local/bin/qemu-system-i386
                                    respectively.</div>
                                  <div>     The result shows that:</div>
                                  <div>      1 . qemu-upstream used in
                                    xen 4.5 unstable still exited when
                                    changing screen resolution,</div>
                                  <div>      2.  my self-compiled
                                    qemu2.0 behave normally.</div>
                                  <div>     I think maybe there's still
                                    some differences between the two
                                    qemu repository.</div>
                                </blockquote>
                                <br>
                                <font color="#000000">Use spice from
                                  backports or recompile the latest from
                                  Sid, wheezy packages are too old for
                                  newer qemu.<br>
                                  xen already download and compile qemu
                                  upstream automatically if you not
                                  specify binary in repository.<br>
                                  I also use use wheezy dom0 with same
                                  xen and qemu and same domU and spice
                                  guest tools installed automatically
                                  resize the windows resolution without
                                  problem (except rare cases when I
                                  connect remote-viewer before windows
                                  start).</font><br>
                                <font color="#000000">Below also reply
                                  to other mail.</font><br>
                                <br>
                                <blockquote
                                  cite="mid:2014071413295244395449@octlink.com"
                                  type="cite">
                                  <div> </div>
                                  <div>     I'm actively waiting for
                                    your advice and willing to do the
                                    following debug.</div>
                                  <div>     vm config file is as follow:</div>
                                  <div>
                                    <blockquote style="MARGIN-RIGHT:
                                      0px" dir="ltr">
                                      <div style="COLOR: #ff0000">name='Win7'</div>
                                      <div style="COLOR: #ff0000">builder="hvm"</div>
                                      <div style="COLOR: #ff0000">memory=2048</div>
                                      <div style="COLOR: #ff0000">vcpus=2</div>
                                      <div style="COLOR: #ff0000">vif=['bridge=br0']</div>
                                      <div style="COLOR: #ff0000">disk=['/srv/vm_templates/1.qcow2,qcow2,hda,rw',',raw,hdb,ro,cdrom']</div>
                                      <div style="COLOR: #ff0000">boot='dc'</div>
                                      <div style="COLOR: #ff0000">device_model_version="qemu-xen"</div>
                                      <div style="COLOR: #ff0000">#device_model_override="/usr/lib/xen/bin/qemu-gdb"</div>
                                      <div style="COLOR: #ff0000">#device_model_override="/usr/local/bin/qemu-system-i386"</div>
                                      <div style="COLOR: #ff0000">viridian=1</div>
                                      <div style="COLOR: #ff0000">vnc=1</div>
                                      <div style="COLOR: #ff0000">vnclisten="0.0.0.0"</div>
                                      <div style="COLOR: #ff0000">on_crash="destroy"</div>
                                      <div style="COLOR: #ff0000">vga="qxl"</div>
                                      <div style="COLOR: #ff0000">spice=1</div>
                                      <div style="COLOR: #ff0000">spicehost='0.0.0.0'</div>
                                      <div style="COLOR: #ff0000">spiceport=6000</div>
                                      <div style="COLOR: #ff0000">spicedisable_ticketing=1</div>
                                      <div style="COLOR: #ff0000">spicevdagent=1</div>
                                      <div style="COLOR: #ff0000">spice_clipboard_sharing=1</div>
                                      <div style="COLOR: #ff0000">spiceusbredirection=4</div>
                                      <div style="COLOR: #ff0000">soundhw="hda"</div>
                                      <div style="COLOR: #ff0000">localtime=1</div>
                                      <div style="COLOR: #ff0000">videoram=128</div>
                                    </blockquote>
                                  </div>
                                </blockquote>
                                <br>
                                <font color="#000000">videoram=128 is
                                  not needed with qxl as already the
                                  default.</font><br>
                                <font color="#000000">Try to disable vnc
                                  when you use spice, even if I used
                                  with also vnc many times without
                                  problem time ago.</font><br>
                                <br>
                                <blockquote
                                  cite="mid:2014071413295244395449@octlink.com"
                                  type="cite">
                                  <div>
                                    <div> </div>
                                  </div>
                                  <div>   </div>
                                  <div> </div>
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                                                          lang="EN-US"><span
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                                                          <div
                                                          style="TEXT-ALIGN:
                                                          left"><span><span
                                                          style="FONT-SIZE:
                                                          12pt"></span>Best
                                                          Regards</span></div>
                                                          <div
                                                          style="TEXT-ALIGN:
                                                          left">
                                                          <div
                                                          style="TEXT-ALIGN:
                                                          left"><span
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                                                          lang="EN-US">
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                                                          class="MsoNormal"><span
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                                                          face="Calibri"><span
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                                                          微软雅黑;
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                                      <div><b>From:</b> <a
                                          href="mailto:kevin.zhang@octlink.com"
                                          moz-do-not-send="true">kevin.zhang@octlink.com</a></div>
                                      <div><b>Date:</b> 2014-07-14 10:26</div>
                                      <div><b>To:</b> <a
                                          href="mailto:fabio.fantoni@m2r.biz"
                                          moz-do-not-send="true">Fabio
                                          Fantoni</a>; <a
                                          href="mailto:xen-devel@lists.xen.org"
                                          moz-do-not-send="true">xen-devel</a></div>
                                      <div><b>Subject:</b> Re:
                                        [Xen-devel] QXL problem: Xen
                                        4.4.1 rc1 and xen 4.5 unstable</div>
                                    </div>
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 9.00.8112.16457">
                                      <div>Hi Fabio Fantoni,</div>
                                      <div>    Thank you for your help.</div>
                                      <div>     If I use your method to
                                        run qemu-gdb when using xl
                                        create, xl will complain startup
                                        timeout. </div>
                                    </div>
                                  </div>
                                </blockquote>
                                <br>
                                <font color="#000000">I know, I already
                                  posted the solution but I try to
                                  explain better.</font><br>
                                <br>
                                <font color="#000000"># after xl create
                                  with (qemu gdb), do it fast after xl
                                  create when arrive on qemu process
                                  launch (before timeout or xl create
                                  will fails)<br>
                                  target remote localhost:1234 # prepare
                                  this command in other ssh to the xen
                                  dom0 and enter on xl create when
                                  arrive on qemu launch<br>
                                  c # press immediatly<br>
                                  bt full # when qemu stops</font><br>
                                <br>
                                <font color="#000000">Sorry for my bad
                                  english.</font><br>
                                <br>
                                <blockquote
                                  cite="mid:2014071413295244395449@octlink.com"
                                  type="cite">
                                  <div>
                                    <div style="BACKGROUND-COLOR: white"
                                      class="FoxDiv20140714130811084188">
                                      <div>    Perhaps I did not
                                        describe my problem clearly
                                        enough, I can successfully
                                        create windows HVM, my problem
                                        happened when I change windows
                                        screen resolution.</div>
                                      <div>The qemu process suddenly
                                         exited while xl list can still
                                        list the domU information.</div>
                                      <div> </div>
                                      <div>    I am using debian wheezy
                                        7.5 amd 64, I am using fantu's
                                        xen 4.5 unstable and the
                                        qemu-xen-remote in his code
                                        repository,</div>
                                      <blockquote style="MARGIN-RIGHT:
                                        0px" dir="ltr">
                                        <div>
                                          <div style="COLOR: #ff0000">root@debian:~#
                                            /usr/lib/xen/bin/qemu-system-i386
                                            -version</div>
                                          <div style="COLOR: #ff0000">QEMU
                                            emulator version 2.0.0,
                                            Copyright (c) 2003-2008
                                            Fabrice Bellard  </div>
                                        </div>
                                      </blockquote>
                                      <div> And I compiled Xen from
                                        fantu's xen repository in
                                        compilation server, then use
                                        install.sh in dist dir to
                                        install xen packages in my test
                                        server.</div>
                                      <div> My compilation server has
                                        spice 0.12.4 compiled and
                                        installed.</div>
                                      <div> My test server has debian
                                        wheezy backport qemu installed
                                        with spice-server:</div>
                                      <blockquote style="MARGIN-RIGHT:
                                        0px" dir="ltr">
                                        <div>
                                          <div style="COLOR: #ff0000">dpkg
                                            -l |grep spice</div>
                                          <div style="COLOR: #ff0000">ii 
                                            libspice-server1:amd64            
                                            0.12.4-0nocelt2~bpo70+1   </div>
                                        </div>
                                      </blockquote>
                                      <div> Then how can I obtain useful
                                        debug information after qemu
                                        exit with vm running?</div>
                                      <div> </div>
                                      <hr style="WIDTH: 210px; HEIGHT:
                                        1px" color="#b5c4df" size="1"
                                        align="left">
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                                            MARGIN-RIGHT: 10px">
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                                                style="FONT-FAMILY: 宋体;
                                                COLOR: #000000;
                                                FONT-SIZE: 10.5pt">
                                                <div><span>
                                                    <div
                                                      style="TEXT-ALIGN:
                                                      right"><span
                                                        style="FONT-FAMILY:
                                                        微软雅黑; COLOR:
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                                                          Calibri;
                                                          mso-hansi-theme-font:
                                                          minor-latin;
                                                          mso-bidi-theme-font:
                                                          minor-bidi;
                                                          mso-ansi-language:
                                                          EN-US;
                                                          mso-fareast-language:
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                                                          style="FONT-FAMILY:
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                                                          Calibri;
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                                                          minor-latin;
                                                          mso-fareast-theme-font:
                                                          minor-fareast;
                                                          mso-hansi-font-family:
                                                          Calibri;
                                                          mso-hansi-theme-font:
                                                          minor-latin;
                                                          mso-bidi-theme-font:
                                                          minor-bidi;
                                                          mso-ansi-language:
                                                          EN-US;
                                                          mso-fareast-language:
                                                          ZH-CN;
                                                          mso-bidi-language:
                                                          AR-SA"></span><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑;
                                                          FONT-SIZE:
                                                          8pt;
                                                          mso-bidi-font-family:
                                                          'Times New
                                                          Roman';
                                                          mso-bidi-font-size:
                                                          11.0pt;
                                                          mso-ascii-theme-font:
                                                          minor-latin;
                                                          mso-fareast-theme-font:
                                                          minor-fareast;
                                                          mso-hansi-theme-font:
                                                          minor-latin;
                                                          mso-bidi-theme-font:
                                                          minor-bidi;
                                                          mso-ansi-language:
                                                          EN-US;
                                                          mso-fareast-language:
                                                          ZH-CN;
                                                          mso-bidi-language:
                                                          AR-SA;
                                                          mso-fareast-font-family:
                                                          宋体"
                                                          lang="EN-US"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑; COLOR:
                                                          #000000;
                                                          FONT-SIZE:
                                                          10.5pt"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑;
                                                          FONT-SIZE:
                                                          10.5pt;
                                                          mso-bidi-font-family:
                                                          'Times New
                                                          Roman';
                                                          mso-bidi-font-size:
                                                          11.0pt;
                                                          mso-ascii-font-family:
                                                          Calibri;
                                                          mso-ascii-theme-font:
                                                          minor-latin;
                                                          mso-fareast-theme-font:
                                                          minor-fareast;
                                                          mso-hansi-font-family:
                                                          Calibri;
                                                          mso-hansi-theme-font:
                                                          minor-latin;
                                                          mso-bidi-theme-font:
                                                          minor-bidi;
                                                          mso-ansi-language:
                                                          EN-US;
                                                          mso-fareast-language:
                                                          ZH-CN;
                                                          mso-bidi-language:
                                                          AR-SA">
                                                          <div
                                                          style="TEXT-ALIGN:
                                                          left"><span><span
                                                          style="FONT-SIZE:
                                                          12pt"></span>Best
                                                          Regards</span></div>
                                                          <div
                                                          style="TEXT-ALIGN:
                                                          left">
                                                          <div
                                                          style="TEXT-ALIGN:
                                                          left"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑; COLOR:
                                                          #000000;
                                                          FONT-SIZE:
                                                          10.5pt"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑;
                                                          FONT-SIZE:
                                                          10.5pt;
                                                          mso-bidi-font-family:
                                                          'Times New
                                                          Roman';
                                                          mso-bidi-font-size:
                                                          11.0pt;
                                                          mso-ascii-theme-font:
                                                          minor-latin;
                                                          mso-fareast-theme-font:
                                                          minor-fareast;
                                                          mso-hansi-theme-font:
                                                          minor-latin;
                                                          mso-bidi-theme-font:
                                                          minor-bidi;
                                                          mso-ansi-language:
                                                          EN-US;
                                                          mso-fareast-language:
                                                          ZH-CN;
                                                          mso-bidi-language:
                                                          AR-SA;
                                                          mso-fareast-font-family:
                                                          宋体"
                                                          lang="EN-US">
                                                          <p
                                                          style="MARGIN:
                                                          0cm 0cm 0pt"
                                                          class="MsoNormal"><span
                                                          style="mso-bidi-language:
                                                          EN-US"
                                                          lang="EN-US"><font
                                                          face="Calibri"><span
                                                          style="FONT-SIZE:
                                                          10.5pt; FONT-:
                                                          微软雅黑"></span><o:p
                                                          style="MARGIN-TOP:
                                                          0px;
                                                          MARGIN-BOTTOM:
                                                          0px"></o:p></font></span></p>
                                                          </span></span></div>
                                                          <span
                                                          style="FONT-FAMILY:
                                                          宋体; COLOR:
                                                          #000000;
                                                          FONT-SIZE:
                                                          10.5pt"></span></div>
                                                          </span></span></span></span></span></span></div>
                                                  </span></div>
                                              </span></div>
                                          </div>
                                        </span></div>
                                      <div style="BORDER-BOTTOM: medium
                                        none; BORDER-LEFT: medium none;
                                        PADDING-BOTTOM: 0cm;
                                        PADDING-LEFT: 0cm;
                                        PADDING-RIGHT: 0cm; BORDER-TOP:
                                        #b5c4df 1pt solid; BORDER-RIGHT:
                                        medium none; PADDING-TOP: 3pt">
                                        <div style="PADDING-BOTTOM: 8px;
                                          PADDING-LEFT: 8px;
                                          PADDING-RIGHT: 8px;
                                          FONT-FAMILY: tahoma;
                                          BACKGROUND: #efefef; COLOR:
                                          #000000; FONT-SIZE: 12px;
                                          PADDING-TOP: 8px">
                                          <div><b>From:</b> <a
                                              href="mailto:fabio.fantoni@m2r.biz"
                                              moz-do-not-send="true">Fabio
                                              Fantoni</a></div>
                                          <div><b>Date:</b> 2014-07-11 18:06</div>
                                          <div><b>To:</b> <a
                                              href="mailto:kevin.zhang@octlink.com"
                                              moz-do-not-send="true">kevin.zhang@octlink.com</a>;
                                            <a
                                              href="mailto:xen-devel@lists.xen.org"
                                              moz-do-not-send="true">xen-devel</a></div>
                                          <div><b>Subject:</b> Re:
                                            [Xen-devel] QXL problem: Xen
                                            4.4.1 rc1 and xen 4.5
                                            unstable</div>
                                        </div>
                                      </div>
                                      <div>
                                        <div style="BACKGROUND-COLOR:
                                          white"
                                          class="FoxDiv20140714091838942808">
                                          <div class="moz-cite-prefix">Il
                                            11/07/2014 04:38, <a
                                              class="moz-txt-link-abbreviated"
href="mailto:kevin.zhang@octlink.com" moz-do-not-send="true">kevin.zhang@octlink.com</a>
                                            ha scritto:<br>
                                          </div>
                                          <blockquote
                                            cite="mid:2014071110385714173022@octlink.com"
                                            type="cite">
                                            <style>BLOCKQUOTE {
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                                            <meta name="GENERATOR"
                                              content="MSHTML

                                              
 
 9.00.8112.16457">
                                            <div>
                                              <div>Hi all,</div>
                                              <div> </div>
                                              <div>Firstly please
                                                forgive me if I put this
                                                problem in the wrong
                                                mail list. </div>
                                              <div>However, it seems
                                                that xen-users mail list
                                                cannot resolve this QXL
                                                problems. Therefore, I
                                                have to post QXL problem
                                                in devel mail list.</div>
                                              <div>My problem is as
                                                follow:</div>
                                              <div> </div>
                                              <div>I'm testing QXL for
                                                windows HVM, spice works
                                                well with stdvga. </div>
                                              <div>However, when I
                                                switch to QXL, qemu exit
                                                abnormally:</div>
                                              <div>I specify vga="qxl"
                                                and videoram=128, using
                                                qemu-xen. The windows 7
                                                boots and automatially
                                                switch resolution for me
                                                in virt-viewer.</div>
                                              <div>While display and
                                                sound transfering very
                                                well, if I change
                                                display resolution, the
                                                virt-viewer will be
                                                suddenly closed and</div>
                                              <div>I check the physical
                                                server, the qemu process
                                                disappear
                                                simultaneously. </div>
                                              <div>Then I switch to
                                                wheezy backport qemu 2.0
                                                as device model, the
                                                qemu process will exit
                                                as soon as the welcome
                                                page appears and at the
                                                beginning of resolution
                                                change.</div>
                                              <div>I tested and found
                                                the same bug on both
                                                xenbits xen 4.4.1 rc1
                                                and Fantu's Xen 4.5
                                                unstable, this problem
                                                exists in both branches.</div>
                                              <div>Is it a known issue
                                                or is there any solution
                                                for this bug?</div>
                                              <div>Thank you very much!
                                              </div>
                                            </div>
                                          </blockquote>
                                          <br>
                                          <font color="#000000">Thanks
                                            for testing spice and qxl
                                            and report issue.<br>
                                            I have spice + qxl working
                                            as kvm on xen unstable
                                            except this problem:<br>
                                            <a
                                              class="moz-txt-link-freetext"
href="http://lists.xen.org/archives/html/xen-devel/2014-07/msg01021.html"
                                              moz-do-not-send="true">http://lists.xen.org/archives/html/xen-devel/2014-07/msg01021.html</a><br>
                                            <br>
                                            Please post details on your
                                            dom0 installation and domU
                                            (for example xl cfg,<br>
                                            spice guest tools version
                                            ecc...)<br>
                                            About qemu crash try to take
                                            a full backtrace with gdb
                                            and post it here.<br>
                                            <br>
                                            Small help with gdb of qemu
                                            launched by xl:<br>
                                            <br>
                                            Add the line below in domU's
                                            xl cfg:<br>
device_model_override="/usr/lib/xen/bin/qemu-gdb"<br>
                                            <br>
                                            vi /usr/lib/xen/bin/qemu-gdb
                                            # create the file, change
                                            the qemu path if<br>
                                            needed<br>
                                            #!/bin/sh<br>
                                            exec gdbserver 0.0.0.0:1234
                                            /usr/lib/xen/bin/qemu-system-i386
                                            "$@"<br>
                                            <br>
                                            # after xl create, do it
                                            fast (before timeout or xl
                                            create will fails)<br>
                                            target remote localhost:1234<br>
                                            c <br>
                                            bt full # when qemu stops<br>
                                            <br>
                                            You should install also all
                                            needed dbg packages before,
                                            spice qemu ecc or<br>
                                            without package should be
                                            compiled with debug enabled
                                            (for xen and qemu<br>
                                            default in unstable).<br>
                                            <br>
                                            The latest qemu crash with
                                            spice I saw was in 2.0-rc
                                            solved before 2.0.0<br>
                                            final, your qemu is at least
                                            2.0.0 final?<br>
                                            <a
                                              class="moz-txt-link-freetext"
href="http://git.qemu.org/?p=qemu.git;a=commit;h=dc491cfc14074064ed54a872b62cce6ca1330644"
                                              moz-do-not-send="true">http://git.qemu.org/?p=qemu.git;a=commit;h=dc491cfc14074064ed54a872b62cce6ca1330644</a></font><br>
                                          <br>
                                          <blockquote
                                            cite="mid:2014071110385714173022@octlink.com"
                                            type="cite">
                                            <div>
                                              <div> </div>
                                              <div> </div>
                                              <div>Kevin</div>
                                            </div>
                                            <div>Best Regards,</div>
                                            <div><span>
                                                <div style="MARGIN-TOP:
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                                                  MARGIN-RIGHT: 10px">
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                                                      style="FONT-FAMILY:
                                                      宋体; COLOR:
                                                      #000000;
                                                      FONT-SIZE: 10.5pt">
                                                      <div><span>
                                                          <div
                                                          style="TEXT-ALIGN:
                                                          left"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑; COLOR:
                                                          #000000;
                                                          FONT-SIZE:
                                                          10.5pt"><span
                                                          style="FONT-FAMILY:
                                                          微软雅黑;
                                                          FONT-SIZE:
                                                          10.5pt;
                                                          mso-bidi-font-family:
                                                          'Times New
                                                          Roman';
                                                          mso-bidi-font-size:
                                                          11.0pt;
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                                                          minor-latin;
                                                          mso-fareast-theme-font:
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                                                          minor-latin;
                                                          mso-bidi-theme-font:
                                                          minor-bidi;
                                                          mso-ansi-language:
                                                          EN-US;
                                                          mso-fareast-language:
                                                          ZH-CN;
                                                          mso-bidi-language:
                                                          AR-SA;
                                                          mso-fareast-font-family:
                                                          宋体"
                                                          lang="EN-US">
                                                          <p
                                                          style="MARGIN:
                                                          0cm 0cm 0pt"
                                                          class="MsoNormal"> </p>
                                                          </span></span></div>
                                                        </span></div>
                                                    </span><span
                                                      style="FONT-FAMILY:
                                                      宋体; COLOR:
                                                      #000000;
                                                      FONT-SIZE: 10.5pt"></span></div>
                                                </div>
                                              </span></div>
                                            <br>
                                          </blockquote>
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                                      </div>
                                    </div>
                                  </div>
                                </blockquote>
                                <br>
                              </div>
                            </div>
                          </div>
                        </div>
                      </blockquote>
                      <br>
                    </div>
                  </div>
                </blockquote>
                <br>
              </div>
            </div>
          </blockquote>
          <br>
        </div>
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