[Bug 219112] Machine will not wake from suspend if KVM VM is running

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=219112

--- Comment #2 from AlexDeLorenzo.dev (alex.delorenzo@gmail.com) ---
(In reply to Sean Christopherson from comment #1)
> > Expected outcome: Machine should resume from suspend when a KVM VM is
> running
> > 
> > Observed outcome: Machine will not resume from suspend
> 
> As in, suspend/resume the host, and the host never resumes?

Yup, the host never resumes. It's also might be possible that the host never
suspends correctly in the first place. I've noticed that sometimes the final
lock screen image freezes on external monitors, suggesting that a full suspend
wasn't successful. 

> > I tried this on 6.6.42 LTS, 6.9.x, and 6.10-rc1 through 6.10.2, and ran
> into
> 
> Have you tried older kernels?  If so, is bisecting possible?  E.g. there was
> a
> somewhat related rework in 6.1 (IIRC).


Several months ago, this wasn't a problem when I was using older kernels.
Unfortunately, I don't remember what versions I was using at that point, just
that they were 6.x.

I'll try with some 6.1 era kernels to see if the problem is still there.

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