b6b0fac04d
With full ppgtt using acthd is not enough to find guilty batch buffer. We get multiple false positives as acthd is per vm. Instead of scanning which vm was running on a ring, to find corressponding context, use a different, simpler, strategy of finding batches that caused gpu hang: If hangcheck has declared ring to be hung, find first non complete request on that ring and claim it was guilty. v2: Rebase Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=73652 Suggested-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> (v1) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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