[Spice-devel] Does spice in xen-4.2.0 support QXL?

[Fabio Fantoni]

Il 20/11/2012 09:29, Qian Hu ha scritto:
> Hi,
>
> I have tried your patch with xen-4.2.0, but it shows "patch unexpected 
> ends in middle of line" at the end.
>
> Is there any problem with that?
>
> I can still compile xen and try to add 
> "device_model_args=["-device","qxl-vga"]" in the config file, but it 
> didn't work
>
> with command "xl". The error message is as below, and the log says 
> "RAMBlock "vga.vram" already registered, abort!"
>
> Did I miss something?
>
> Thank you!
>
> ----------------------error message-------------------------
> Parsing config from win7.cfg
> xc: info: VIRTUAL MEMORY ARRANGEMENT:
>   Loader:        0000000000100000->000000000019bbc4
>   TOTAL:         0000000000000000->0000000038000000
>   ENTRY ADDRESS: 0000000000100000
> xc: info: PHYSICAL MEMORY ALLOCATION:
>   4KB PAGES: 0x0000000000000200
>   2MB PAGES: 0x00000000000001bf
>   1GB PAGES: 0x0000000000000000
> libxl: error: libxl_dm.c:1217:device_model_spawn_outcome: domain 2 
> device model: spawn failed (rc=-3)
> libxl: error: libxl_qmp.c:641:libxl__qmp_initialize: Connection error: 
> Connection refused
> Daemon running with PID 4468
>
>
>
> 2012/11/13 Fabio Fantoni <fabio.fantoni at heliman.it 
> <mailto:fabio.fantoni at heliman.it>>
>
>         Hi, everyone!
>
>         I am doing research on remote connect with Xen. My host is
>         Fedora 14 and my
>         guest is win7.
>
>         I have installed spice package and now I can connect to my
>         guest by spice
>         client.
>
>         Now I want to use QXL, but I don't know if it is supported by
>         the spice in
>         xen-4.2.0.
>
>         Could anyone help me?
>
>         Thank you!
>
>         huqian
>
>     QXL support in xen is planned for 4.3, you can add manually the
>     actual patch for add it, see attachment.
>     I tried it many times, months ago was working but xorg on linux
>     domU not started and on windows domU had blu screen refered to qxl
>     driver, recently starting domU with spice and qxl caused qemu
>     crash with this error on log:
>     (/usr/sbin/xl:3463): Spice-CRITICAL **:
>     red_memslots.c:123:get_virt: slot_id 194 too big,
>     addr=c2c2c2c2c2c2c2c2
>
>     Some details on one of my latest test:
>     http://lists.xen.org/archives/html/xen-devel/2012-10/msg01820.html
>     Already reported 2 times (on xen) but no reply, I not know if is
>     xen, qemu and/or spice problem.
>     Is now a year I try to have spice with qxlrunning on xen, I have
>     done numerous tests and reports, some bugs/changes on xen and qemu
>     have been made, but are not yet sufficient to have qxl functioning
>     as of kvm:(
>     If someone solve this problem can tell me how please?
>     Thanks for any reply and sorry for bad english
>
>
"patch unexpected ends in middle of line" at the end is not a problem, 
you can continue to build xen, about xl configuration file remove 
device_model_args, videoram, set vnc=0, qxl=1 and other spice parameters 
you need
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