[Bug 216647] first hibernate to disk fails on HP EliteBook 845 G8

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=216647

--- Comment #5 from kolAflash (kolAflash@kolahilft.de) ---
Created attachment 303251
  --> https://bugzilla.kernel.org/attachment.cgi?id=303251&action=edit
kernel logs for hibernation with platform and with shutdown (Linux 6.0.9)

@Mario

(In reply to Mario Limonciello (AMD) from comment #4)
> OK 6.0.7 +
> https://cgit.freedesktop.org/drm/drm-misc/commit/?h=drm-misc-
> fixes&id=e0b26b9482461e9528552f54fa662c2269f75b3f please.

I've just tested 6.0.9.
Looks like that commit is already included in 6.0.9. So I didn't apply it.

In the meantime I figured out, that
  /sys/power/disk = shutdown
seems to work better than the default
  /sys/power/disk = platform

So I did a test with "shutdown" and one with "platform".
Result:
"shutdown" worked fine!
With "platform" the first hibernation still fails.
I've attached logs with the test results.

Before I used 6.0.8 which also had good results with "shutdown", but bad
behavior with "platform".
Note:
For everyday use I changed /etc/systemd/sleep.conf -> HibernateMode=shutdown

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