Re: [Xen-devel] Bug in x86 instruction emulator?

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 04/05/16 17:02, Jan Beulich wrote:
>>>> On 06.04.16 at 01:38, <wogiz@xxxxxxxxxxxxxxx> wrote:
>> I'm running Xen 4.6.1 with Alpine Linux 3.3.3 in dom0. In a HVM domU 
>> with vga="qxl", Xorg will segfault instantly if tried started. Multiple 
>> Linux distros have been tested and Xorg segfaults in all.
> So I've been wanting to make an attempt to repro this, but qemu
> keeps telling me
>
> qemu-system-i386: -device qxl-vga,vram_size_mb=64,ram_size_mb=64: 'qxl-vga' 
> is not a valid device model name
>
> when I pass vga="qxl" upon guest creation. My knowledge on
> qemu is limited, so I have no idea what I might be doing wrong.

I encountered that as well.  It means Qemu isn't built with spice support.

You want to pass --with-extra-qemuu-configure-args="--enable-spice" to a
./configure when building the Xen tools. (iirc)

~Andrew

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