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

[David Jaša]

Doesn't that happen with some other videos as well? It sounds familiar
to these two past bugs:
https://bugzilla.redhat.com/show_bug.cgi?id=667689
https://bugs.freedesktop.org/show_bug.cgi?id=34262

David


Qian Hu píše v Čt 22. 11. 2012 v 15:46 +0800:
> Hi, Fabio 
> 
> 
> Thank you for your advice! I have successfully added the patch to
> xen-4.2.0 and set the parameters as you said.
> 
> 
> It works and the client seems to be better than before.
> 
> 
> Still, there is a little problem that the screen is upside down when
> the win7 started, exactly the moment the four colorful blocks
> appeared.
> 
> 
> After that, the client is stable and everything is OK. Have you run
> into the same problem?
> 
> 
> huqian
> 
> 
> 2012/11/20 Fabio Fantoni <fabio.fantoni at heliman.it>
>         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>
>         >                 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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-- 

David Jaša, RHCE

SPICE QE based in Brno
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