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

[bugzilla-daemon@xxxxxxxxxxxxxxx]

Comment # 4 on bug 104274 from mikita.lipski@amd.com

Encountering a deadlock in DRM while trying to force disable CRTCs.
If no displays connected - system hard hangs.
If DC is disabled (any number of displays) - system hard hangs.

Currently investigating the deadlock issue.
Thanks

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