[Intel-gfx] ✗ Ro.CI.BAT: failure for drm/i915: Treat eDP as always connected, again

[Dave Gordon]

On 18/07/16 13:50, Dave Gordon wrote:
> On 18/07/16 13:29, Daniel Vetter wrote:
>> On Mon, Jul 18, 2016 at 11:43:08AM -0000, Patchwork wrote:
>>> == Series Details ==
>>>
>>> Series: drm/i915: Treat eDP as always connected, again
>>> URL   : https://patchwork.freedesktop.org/series/9977/
>>> State : failure
>>>
>>> == Summary ==
>>>
>>> Series 9977v1 drm/i915: Treat eDP as always connected, again
>>> http://patchwork.freedesktop.org/api/1.0/series/9977/revisions/1/mbox
>>>
>>> Test gem_exec_suspend:
>>>          Subgroup basic-s3:
>>>                  pass       -> DMESG-WARN (fi-skl-i5-6260u)
>>> Test gem_sync:
>>>          Subgroup basic-store-each:
>>>                  pass       -> DMESG-FAIL (ro-bdw-i7-5600u)
>>
>> I tried to find the bug reports for these, and we don't track them.
>> And at
>> least the 2nd one looks like it's a one-off, so who knows what's going
>> on.
>>
>> But while trying to figure out what's going on I stumbled over about 5
>> other sporadic CI issues in those boxes which aren't event tracked
>> either.
>>
>> /me cries
>>
>> So normally not good enough for CI, but regressions win even against our
>> shitty CI. Hence applied and will cherry-pick over to -fixes.
>> -Daniel
>
> Looks like the failure in basic-store-each has been happening since at
> least 2016-07-10, but only on one specific BDW machine
> (ro-bdw-i7-5600u). Failure is:
>
>  > Failed assertion: intel_detect_and_clear_missed_interrupts(fd) == 0
>
> Intermittent, though, as Chris's recent results show:
>
>> Test gem_sync:
>>         Subgroup basic-store-each:
>>                 dmesg-fail -> PASS       (ro-bdw-i7-5600u)
>
> making it very difficult to determine whether it's a real regression or
> some problem with that specific machine -- it doesn't happen on the
> other BDWs, but they're all slightly different.
>
> .Dave.

Bug filed: Bug 96975 - [BAT BDW] basic-store-each fails, 
intel_detect_and_clear_missed_interrupts(fd) == 0

.Dave.