On Wed, May 4, 2011 at 6:00 PM, Alon Levy <al...@redhat.com> wrote: > On Wed, May 04, 2011 at 05:10:31PM +0400, Emre Erenoglu wrote: > > On Wed, May 4, 2011 at 2:12 PM, Alon Levy <al...@redhat.com> wrote: > > > > > On Wed, May 04, 2011 at 01:45:39PM +0400, Emre Erenoglu wrote: > > > > On Wed, Apr 27, 2011 at 1:16 AM, Emre Erenoglu <ereno...@gmail.com> > > > wrote: > > > > > > > > > Hi, > > > > > > > > > > I started to see frequent crashes with my guests running windows xp > and > > > > > windows server 2003 x86. The bsod appears on qxldd.dll. I can give > > > further > > > > > info if needed. > > > > > > > > > > The host is Linux x86_64, qemu 0.14, spice 0.8.1. Guest has qxl > 0.6.1 > > > > > drivers loaded. I may revert back to 0.8.0 since it was not > crashing. > > > > > Nothing changed in the guests when I upgraded spice from 0.8.0 to > > > 0.8.1. > > > > > > > > > > > > > > Some updates on the original issue. I checked a lot and I found out > that > > > the > > > > issue continued with any version of spice and guest qxl drivers. > > > > > > > > I finally digged down to the point that, the qemu comment line which > > > states > > > > " -global qxl-vga.vram_size=9xxxxxx " parameter is the problem. > When > > > the > > > > guest is started with 9 MB of video memory given as comment line > > > parameter > > > > to qemu, the guest qxldd driver crashes with BSOD. > > > > > > Why was it started with 9MB? anyway, good catch, we should add a check > for > > > this > > > in the driver (and probably just refuse to load). Could you open a bug > on > > > this > > > in bugzilla.freedesktop.org? > > > > > > > This is added by libvirt (virt-manager) when launching qemu. Do we need > to > > file it against libvirt or against spice? I will post this to the > libvirt > > list also. > > > > Btw, rather than refusing to load, I think we should just limit the > possible > > resolutions. I'm not sure if the resolutions are the issue though. The > crash > > was not happening immediately and it was working OK with that 9 MB > memory. > > When I launched outlook, or IE8, or just in the middle of an application, > it > > could crash and bsod. > > But that number doesn't make any sense - the spice default is 64MB, we > never tested > with less then that. It is probably fixable like you say, but until that's > fixed why > not stick to the spice default?
Well, this parameter is not configurable from the virt-manager UI and it configures 9 MB to the command line of qemu by libvirt (even latest 0.9.0) version. When you add a 2nd VGA adapter, it adds 64 MB to that adapter correctly (-device qxl,id=video1,vram_size=67108864,bus=pci.0,addr=0x8) I guess i need to file a bug report to libvirt too. Emre
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