Re: [Intel-gfx] [PATCH] drm/i915: Ignore stuck requests when considering hangs

2016-08-23 Thread Mika Kuoppala
Chris Wilson writes: > If the engine isn't being retired (worker starvation?) then it is > possible for us to repeatedly observe that between consecutive > hangchecks the seqno on the ring to be the same and there remain > unretired requests. Ignore these completely and only regard the engine > a

Re: [Intel-gfx] [PATCH] drm/i915: Ignore stuck requests when considering hangs

2016-08-22 Thread Chris Wilson
On Mon, Aug 22, 2016 at 02:39:30PM +0300, Mika Kuoppala wrote: > Chris Wilson writes: > > > If the engine isn't being retired (worker starvation?) then it is > > possible for us to repeatedly observe that between consecutive > > hangchecks the seqno on the ring to be the same and there remain > >

[Intel-gfx] [PATCH] drm/i915: Ignore stuck requests when considering hangs

2016-08-20 Thread Chris Wilson
If the engine isn't being retired (worker starvation?) then it is possible for us to repeatedly observe that between consecutive hangchecks the seqno on the ring to be the same and there remain unretired requests. Ignore these completely and only regard the engine as busy for the purpose of hang de