[Mesa-dev] [PATCH] i965: Don't tell the hardware about our UAV access.

[Emil Velikov]

Hi all,

On 10 September 2015 at 00:30, Mark Janes <mark.a.janes at intel.com> wrote:
> Mark Janes <mark.a.janes at intel.com> writes:
>
>> Francisco Jerez <currojerez at riseup.net> writes:
>>
>>> Mark Janes <mark.a.janes at intel.com> writes:
>>>
>>>> When I tested this, I saw an intermittent BSW gpu hang.  I haven't been
>>>> able to confirm that it is due to the host-mem-barrier test.
>>>>
>>> It would probably be useful to know if the hang is due to any of the
>>> image load/store tests or if it's something unrelated.
>>
>> Yes, you are right.  I will take some time tomorrow to catch the
>> specific test.  Given the low rate of gpu hangs on BSW lately, I expect
>> it will be due to image load/store tests.  However I need to confirm it.
>
> I spent time attempting to reproduce hangs with this patch on BSW today.
> I forced 3 hangs, but none of them could be attributed to image
> load/store tests.
>
With the above said, should we consider this as inconclusive fix ? If
so, what is the plan going forward - is this going to the bin or we'll
beat it into shape and merge it ?

Thanks
Emil