[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

Brandon Nielsen (nielsenb@jetfuse.net) changed:

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--- Comment #3 from Brandon Nielsen (nielsenb@jetfuse.net) ---
I have verified this on my systems as well. One with an AMD 5800x3D, another
with an Intel i7-8550U. Both have virtualization support enabled in their
respective BIOSes. Usermode VMs used on both machines. Kernel 6.11.5 currently,
but I haven't been using VMs frequently lately so I don't know when this
behavior started.

I think suspend is being entered properly "kernel: PM: suspend entry (deep)" is
seen in the journal, and I think exiting suspend at least starts "kernel: PM:
suspend exit" is seen in the journal along with a bunch of other resuming stuff
(network interfaces being brought up, clocks being synchronized, etc.).

Unfortunately the displays never wake up and the machine never becomes usable.

I even see my power button press being logged when I eventually need to hard
kill the machine so I can reboot.

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