Re: [PATCH v6 14/22] dma-buf: Introduce new locking convention

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On 7/5/22 01:38, Dmitry Osipenko wrote:
...
>>> Also i915 will run into trouble with attach. In particular since i915
>>> starts a full ww transaction in its attach callback to be able to lock
>>> other objects if migration is needed. I think i915 CI would catch this
>>> in a selftest.
>> Seems it indeed it should deadlock. But i915 selftests apparently
>> should've caught it and they didn't, I'll re-check what happened.
>>
> 
> The i915 selftests use a separate mock_dmabuf_ops. That's why it works
> for the selftests, i.e. there is no deadlock.
> 
> Thomas, would i915 CI run a different set of tests or will it be the
> default i915 selftests ran by IGT?
> 

Nevermind, I had a local kernel change that was forgotten about.. it
prevented the i915 live tests from running.

-- 
Best regards,
Dmitry



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