[vfio-users] VFIO PCI-E redirection hardlock

[Aaron Lancaster]

On 7 September 2015 at 04:15, Blank Field <ihatethisfield at gmail.com> wrote:
> AMD FM2 platform is broken as hell: i have F2A55 and it took me a year to
> figure out all the workarounds.
> So, try using OVMF, without hugepages and VGA.
> It works for me, i can share my configuration with you once i get to the
> machine.
>
> On Sep 7, 2015 12:22 PM, "Aaron Lancaster" <aaronlancaster74 at gmail.com>
> wrote:
>>
>> I am attempting to do PCI redirection with KVM on a GA-F2A88XM-D3H
>> motherboard.
>>
>> I can redirect every other device/slot on the system except the PCI-E
>> x16 slot that contains the card the UEFI/BIOS displays on.
>>
>> If I attempt to redirect a card in this slot I immediately get a full
>> system freeze where nothing responds. I have two PCI-E graphics cards,
>> and this happens with both of them, and both of them can be redirected
>> without issue when placed into the secondary PCI-E 4x slot.
>>
>> I have ensured that vfio-pci is bound to the PCI device after boot
>> (via initrd), and that everything in the iommu group is being
>> redirected.
>>
>> Anything i may have missed, or some tips?
>>
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Would appreciate any configs you could share, should make a note that
while it seems to be hardlocking with a GTX 660, it does not lockup
with a 7900GS, however, it still dosent work, i just get random screen
corruption + flashing.