Bug 111697

Summary:	[CI][DRMTIP] igt@gem_tiled_blits@interruptible - timeout
Product:	DRI	Reporter:	Lakshmi <lakshminarayana.vudum>
Component:	DRM/Intel	Assignee:	Intel GFX Bugs mailing list <intel-gfx-bugs>
Status:	RESOLVED FIXED	QA Contact:	Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity:	not set
Priority:	not set	CC:	intel-gfx-bugs
Version:	DRI git
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:	PNV, SKL	i915 features:	GEM/Other

Description Lakshmi 2019-09-16 11:53:38 UTC

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_369/fi-pnv-d510/igt@gem_tiled_blits@interruptible.html
<6> [419.968445] Console: switching to colour dummy device 80x25
<6> [419.969006] [IGT] gem_tiled_blits: executing
<6> [419.988901] [IGT] gem_tiled_blits: starting subtest interruptible
<6> [510.531115] perf: interrupt took too long (6223 > 6192), lowering kernel.perf_event_max_sample_rate to 32000
<6> [931.206631] gem_tiled_blits (1293) used greatest stack depth: 9336 bytes left

Comment 1 CI Bug Log 2019-09-16 11:54:53 UTC

The CI Bug Log issue associated to this bug has been updated.

### New filters associated

* PNV:  igt@gem_tiled_blits@interruptible - timeout
  - https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_369/fi-pnv-d510/igt@gem_tiled_blits@interruptible.html

Comment 2 Chris Wilson 2019-09-16 12:24:04 UTC

Odd. I presume a never-ending eviction. A situation where having a few stacktraces would pay dividends.

Comment 3 CI Bug Log 2019-09-26 08:37:38 UTC

A CI Bug Log filter associated to this bug has been updated:

{- PNV:  igt@gem_tiled_blits@interruptible - timeout -}
{+ PNV SKL:  igt@gem_tiled_blits@interruptible - timeout +}

New failures caught by the filter:

  * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_378/fi-skl-lmem/igt@gem_tiled_blits@interruptible.html

Comment 4 Chris Wilson 2019-10-04 20:18:48 UTC

commit 7e8057626640cfedbae000c5032be32269713687
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Oct 4 14:40:02 2019 +0100

    drm/i915: Drop struct_mutex from around i915_retire_requests()

assuming that solves a lot of these.

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