Re: [Xen-users] SPICE with Upstream QEMU and qxl VGA cause Windows BSOD

[Dario Faggioli <raistlin@xxxxxxxx>]

On gio, 2013-06-27 at 11:18 +0200, Dario Faggioli wrote:
> On gio, 2013-06-27 at 10:06 +0800, kevin.zhang@xxxxxxxxxxx wrote:
> > Hi all,
> Hi,
>  
> >        These days I installed xen 4.3 unstable from source and
> > recompiled qemu upstream  with spice support.
> >        After xl create , the windows domU started successfully and
> > spice client can visit the VDI. However, it display blue screen
> > before entering the windows welcome screen.
> >        Is it a bug in current upstream qemu support?
> > 
> Well, the basics of SPICE/qxl support should all be in Xen 4.3. However,
> there is a bug triggered by some, well, emulation issues (it's a SSE
> instruction emulation and then communication with qemu, there's a thread
> on xen-devel about this).
> 
> That's why we have that patch in the tree that jacek is talking about.
> In fact, the Xorg qxl driver was triggering right that situation,
> leading to a crash.
> 
> So, officially, SPICE support is _not_ in 4.3, as that bug was
> discovered too late in the release cycle. It's on the agenda already for
> 4.4, though. :-)
> 
Actually, SPICE support is indeed there, it is _only_ qxl support that
was causing the crash and that has been reverted by the said commit.

Sorry for the mixup. :-P

Dario

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

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