Re: [PATCH v7 13/16] drm/scheduler: Fix hang when sched_entity released

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Am 19.05.21 um 13:03 schrieb Andrey Grodzovsky:


On 2021-05-19 6:57 a.m., Christian König wrote:
Am 18.05.21 um 20:48 schrieb Andrey Grodzovsky:
[SNIP]

Would this be the right way to do it ?

Yes, it is at least a start. Question is if we can wait blocking here or not.

We install a callback a bit lower to avoid blocking, so I'm pretty sure that won't work as expected.

Christian.

I can't see why this would create problems, as long as the dependencies
complete or force competed if they are from same device (extracted) but
on a different ring then looks to me it should work. I will give it
a try.

Ok, but please also test the case for a killed process.

Christian.

You mean something like run glxgears and then simply
terminate it ? Because I done that. Or something more ?

Well glxgears is a bit to lightweight for that.

You need at least some test which is limited by the rendering pipeline.

Christian.


Andrey




Andrey

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