[vfio-users] OVMF: Boots only first time after driver installation

[Alex Williamson]

On Fri, Jan 1, 2016 at 6:34 PM, Eddie Yen <missile0407 at gmail.com> wrote:

> Try using i440fx instead of Q35 if you're using OVMF.
> Also, GPU rom file only needed that Host can't catch correct VBIOS
> information, so try to remove romfile sign and boot again.
>
> And.....
>
> /sys/kernel/iommu_groups/1/devices/0000:00:01.0
> /sys/kernel/iommu_groups/1/devices/0000:01:00.0
> /sys/kernel/iommu_groups/1/devices/0000:01:00.1
>
> It looks like your R9 285 didn't have IOMMU group isolated, did you add
> acs_override or sth in GRUB?
>

The endpoints being grouped with the root port doesn't really affect
anything here, no need for acs override.  Probably just another case of AMD
cards having terrible reset support.
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