https://bugs.freedesktop.org/show_bug.cgi?id=68125
Andreas Bombe <a...@debian.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Andreas Bombe <a...@debian.org> ---
While bisecting I noticed that CONFIG_DEBUG_WW_MUTEX_SLOWPATH was introduced
and that I had it enabled. Since that potentially introduces additional
-EDEADLK I suspected that check.
Turns out that check was buggy, the fix 85f489612 "mutex: Fix w/w mutex
deadlock injection" was merged since I posted this bug and the commit even
mentions explicitly that the bug caused spurious GPU lockups on radeon. The
problem appears to be gone with this fix.
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