Re: [libvirt] [PATCH] Fix explicit usage of default video PCI slots

On Thu, Dec 19, 2013 at 17:43:33 +0100, Jano Tomko wrote: > Don't set the PCI address of primary video to the default > if it's already occupied by another device. > > Without this, a primary video card that doesn't have an > address gets the default one on the 1st pass of PCI address > allocation, even if it's occupied. This address gets picked > up by the second pass, and a conflict occurs: > > XML error: Attempted double use of PCI slot 0000:00:02.0 > (may need "multifunction='on'" for device on function 0) > > Also fix the test that was supposed to catch this. And does it actually work after this patch? IIRC, the primary video card is forced to be at 0000:00:02.0 by QEMU. That is, if this address is occupied by another device, there should be no way to add a video card.