Re: [PATCH 2/3] drm/i915/execlists: Push the tasklet kick after reset to reset_finish

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Quoting Tvrtko Ursulin (2018-06-04 16:17:47)
> 
> On 04/06/2018 08:34, Chris Wilson wrote:
> > In the unlikely case where we have failed to keep submitting to the GPU,
> > we end up with the ELSP queue empty but a pending queue of requests.
> 
> How does this happen? We have nothing in ports but a queue of requests, 
> but we managed to declare a GPU hang, even though there is nothing in 
> ports so GPU looks idle from the outside?

Driver bug. A buggy driver is no excuse for us to fail to recover
though.
-Chris
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