[vfio-users] Host can't wake from suspend after running a passthrough VM

Ryan A Young rayoung at utexas.edu
Fri Oct 21 23:33:42 UTC 2016

It's my workhorse desktop. I start the VM to play games, then shut it
down before putting the host to sleep. I'm well aware that suspending
the host *while* the VM is still on can't be expected to work

On Fri, Oct 21, 2016 at 5:54 PM, Carl Culbertson <carldelugo at gmail.com> wrote:
> Well that's an interesting bug, but I think it really begs the question. Why
> would a host node ever be in suspend in the first place?
> On Thu, Oct 20, 2016 at 8:40 PM, Ryan A Young <rayoung at utexas.edu> wrote:
>> After I start and then shutdown my passthrough VM and then suspend the
>> host, it won't wake from suspend anymore. As in, once in S3, pressing
>> the power button simply has no effect. I have to press the reset
>> button (and sometimes that doesn't work either) and restart the
>> machine. Suspend works correctly if I never start the VM.
>> Has anyone seen this issue before?
>> Hardware: i5-4690, ASRock H97, GTX 1060.
>> Software: Fedora 24, kernel 4.7.7, qemu 2.6.2, GTX 1060 video and
>> audio taken by vfio-pci, OVMF VM with Windows 10 managed by libvirt.
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>> vfio-users at redhat.com
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- Ryan

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