[Bug 215648] New: amdgpu: Changing monitor configuration (plug/unplug/wake from DPMS) causes kernel panic

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=215648

            Bug ID: 215648
           Summary: amdgpu: Changing monitor configuration
                    (plug/unplug/wake from DPMS) causes kernel panic
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.15.12
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: pr_kernel@tum.fail
        Regression: No

Hi!

My Lenovo T14s (AMD) crashes with a panic (https://imgur.com/a/P6Twvov) when I
unplug/replug any monitor. This also happens when an external display wakes
from DPMS.

I have bisected the issue to the same 0f591d17e36e08313b0c440b99b0e57b47e01a9a
as Jose Mestre did in #215511. The patch proposed there (that is already
mainlined, if I see that correctly) does not help. Alex Deucher asked me to
open this as a new bug.

I have tried all kernel up to 5.15.24 -- I cannot try 5.16 as I use zfs as root
device the and zfs module is not (yet) compatible with 5.16.

Is there anything you would like me to try or should my issue be fixed in
5.16+?

Cheers,
Philipp

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