[Bug 104274] Unable to cleanly unload kernel module: BUG: unable to handle kernel NULL pointer dereference at 0000000000000258 (mutex_lock)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Dec 15 09:17:45 UTC 2017


Michel Dänzer <michel at daenzer.net> changed:

           What    |Removed                     |Added
                 CC|                            |harry.wentland at amd.com,
                   |                            |jordan.lazare at amd.com

--- Comment #2 from Michel Dänzer <michel at daenzer.net> ---
The problem in the original report was fixed by

Comment 1 looks like a new issue in DC. Looks like this might be related to the
core DRM code now only initializing fbdev compatibility when a display
connection is detected, like the change above.

Sverd, until the latter is fixed, maybe you can try if amdgpu.dc=0 helps.

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