[Bug 69901] intel ivy bridge/radeonsi PRIME hang since 3.14

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=69901

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
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                 CC|                            |chris at chris-wilson.co.uk

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
It looks to be memory corruption striking the shmemfs used to back swappable
GEM objects (in both drivers). In both profiles, it is a deferred file cleanup
hitting an infinite loop (my guess is that the cleanup itself is started by an
OOPS and SIGKILL). So, it looks like the stuck CPU is another symptom. Please
enable all the mm/vm and lockdep kernel debugging options and see if that
generates clue.

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