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

[Sean Christopherson <seanjc@google.com>]

On Tue, Jul 30, 2024, bugzilla-daemon@kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=219112
> 
>             Bug ID: 219112
>            Summary: Machine will not wake from suspend if KVM VM is
>                     running
>            Product: Virtualization
>            Version: unspecified
>           Hardware: AMD
>                 OS: Linux
>             Status: NEW
>           Severity: normal
>           Priority: P3
>          Component: kvm
>           Assignee: virtualization_kvm@kernel-bugs.osdl.org
>           Reporter: alex.delorenzo@gmail.com
>         Regression: No
> 
> Steps to reproduce:
> 
> 1) Start a KVM virtual machine with QEMU. I used Quickemu to build and start a
> VM. 
> 
> 2) Suspend to RAM
> 
> 3) Wake from suspend
> 
> 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?

> 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).

> the same problem. Unfortunately, I can't find a kernel version where this
> problem isn't present. Nothing gets printed to the system or kernel logs.
> 
> This is on an AMD Ryzen 7 5850U laptop.
> 
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