On Monday, March 22, 2021, 01:35:46 PM EDT, Uri Lublin <u...@redhat.com> wrote: > Hi, > > It seems 64MB is not enough. > > 4096 * 2160 * 4 * 2 > 64MB > > Can you try replacing all those 64MB below with 128MB ? > Please try with 1 head first. Possibly 2 heads need > more (but not for all params). I'm afraid there's no change. With the settings <video> <model type="qxl" ram="131072" vram="131072" vgamem="131072" heads="1" primary="yes"/> <address type="pci" domain="0x0000" bus="0x00" slot="0x09" function="0x0"/> </video> I still am offered only 2952 x 1781 in the guest. With those settings except 'heads="2"', it is exactlythe same--that resolution, and only one display, "Virtual-0". As mentioned in my original message, when I use the Virtio instead of the QXL device, I do get 4K,though again choosing 'heads="2"' doesn't give me an additional display in the guest. (Curiouslythe one display I get is "Virtual-1" rather than "Virtual-0".) With this device there's no option forchanging the video memory in the XML. Thank you for sticking with this. Jen
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