672e7b7c18
With multiple rings, we may continue to render on the blitter whilst executing an infinite shader on the render ring. As we currently, rearm the timer with each execbuf, in this scenario the hangcheck will never fire and we will never detect the lockup on the render ring. Instead, only arm the timer once per hangcheck, so that hangcheck runs more frequently. v2: Rearrange code to avoid triggering a BUG_ON in add_timer from softirq context. Testcase: igt/gem_reset_stats/defer-hangcheck* Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=86225 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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