On 2016-04-06 01:57, Mihai Donțu wrote:
I don't believe the x86 emulator is complete wrt the SSE instruction set. But I do wonder why, in your case, these instructions need emulation at all. Unless touching the video RAM requires emulation. Can you try using a different video driver? I see xorg picked up qxl, maybe try vesa?
I'm not able to start Xorg with vesa driver, as manual configuration of xorg.conf is required. However, I can confirm that both modesetting and fbdev drivers work without Xorg segfaulting, even though HVM domU is configured with vga="qxl".
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