Re: [Qemu-devel] default slot used for vga device on q35 machines

[Markus Armbruster]

Gerd Hoffmann <address@hidden> writes:

>   Hi,
>
>>   qemu-kvm -M q35 -nodefaults -nodefconfig -qmp unix:/tmp/qemu,server
>> -vnc :15 -vga std -usb
>> 
>> Then ran "query-pci" in the qmp monitor and found that the vga device is
>> put at slot 1 instead of slot 2.
>> 
>> My questions:
>> 
>> 1) Is this difference intentional, or a bug?
>
> The vga simply goes into the first free slot.  That happens to be #2
> with i440fx and #1 with q35.

The slot used by -vga depends on the machine type, and can be expected
to remain stable.  We've kept it stable even for the machine type family
i440FX.

Nevertheless, if you require the graphics adapter to go into a specific
slot, I very much recommend to control its placement with -device.

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