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

Ryan A Young rayoung at utexas.edu
Sat Oct 22 00:09:00 UTC 2016


I think it's a reasonable expectation. We run VM's on our laptops, and
put those to sleep, all the time.

On Fri, Oct 21, 2016 at 7:02 PM, Carl Culbertson <carldelugo at gmail.com> wrote:
> Ya, I think virtualization solutions can't be expected to suspend in general
> since it's counter intuitive to virt solutions.
> But it is an interesting bug none the less.
>
> - Apologies if I'm miss using this forum,
> Carl
>
>
> On Fri, Oct 21, 2016 at 6:33 PM, Ryan A Young <rayoung at utexas.edu> wrote:
>>
>> 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
>> properly.
>>
>> 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.
>> >>
>> >> _______________________________________________
>> >> vfio-users mailing list
>> >> vfio-users at redhat.com
>> >> https://www.redhat.com/mailman/listinfo/vfio-users
>> >
>> >
>>
>>
>>
>> --
>> - Ryan
>
>



-- 
- Ryan




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