[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
Thu Dec 21 19:41:28 UTC 2017


--- Comment #4 from mikita.lipski at amd.com <mikita.lipski at 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.

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