Re: [libvirt] [virt-tools-list] qemu qxl video memory parameter - windows bsod with spice

On Wed, May 04, 2011 at 07:52:37PM +0400, Emre Erenoglu wrote: > Hi, > > Please see the below discussion with the spice community. > > libvirt is adding a parameter about video ram to qemu process and this > parameter might be responsible of a crash in the qxl at higher resolutions. > Spice people tell me that their default ram should be 64 Mbytes. > > I'm using libvirt 0.9.0 and qemu 0.14, virt-manager 0.8.7. When configuring > a guest in virt-manager, cirrus driver is added as default, then you can > change it to qxl, but the 9 MB videoram parameter can't be adjusted and it > does not automatically change to 64 MB. If you add a 2nd qxl video card, > then it has 64 MB memory. > > The parameter that qemu gets with one qxl device is: > > -vga qxl -global qxl-vga.vram_size=9437184 > > The parameter that qemu gets with a second qxl device is: > > -vga qxl -global qxl-vga.vram_size=9437184 -device > qxl,id=video1,vram_size=67108864,bus=pci.0,addr=0x8 > > Is this a bug in libvirt or other related tools? libvirt allows arbitrary RAM specification for QXL, so I think it is probably a virt-manager issue. When changing the display type from cirrus -> qxl, virt-manager should probably just remove any RAM attribute in the XML and let libvirt re-assign the default setting