Bug 111903 - [CI][BAT] igt@i915_selftest@live_gtt - dmesg-fail- live_cs_tlb failed! Don't panic!
Summary: [CI][BAT] igt@i915_selftest@live_gtt - dmesg-fail- live_cs_tlb failed! Don't ...
Status: NEW
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: Other All
: medium major
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-10-04 06:59 UTC by Lakshmi
Modified: 2019-10-28 16:22 UTC (History)
1 user (show)

See Also:
i915 platform: GLK, SKL
i915 features: GEM/Other


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Description Lakshmi 2019-10-04 06:59:26 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6997/fi-glk-dsi/igt@i915_selftest@live_gtt.html
<3> [367.908132] [drm:wa_verify [i915]] *ERROR* engine workaround lost on load! (20e0=1/0, expected 40004000, mask=4000)
<3> [382.183280] i915/i915_gem_gtt_live_selftests: igt_cs_tlb failed with error -5
Comment 1 CI Bug Log 2019-10-04 07:03:02 UTC
The CI Bug Log issue associated to this bug has been updated.

### New filters associated

* GLK: igt@i915_selftest@live_gtt - dmesg-fail- *ERROR* engine workaround lost on load!
  - https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6997/fi-glk-dsi/igt@i915_selftest@live_gtt.html
Comment 2 Chris Wilson 2019-10-04 07:09:34 UTC
We suspect the display (dmc?) causes the register fubar, and it seems no coincidence that it causes the TLB bug. This is a grave error.
Comment 3 Chris Wilson 2019-10-04 13:19:28 UTC
Note the engine workload is bug 110788.
Comment 4 Francesco Balestrieri 2019-10-10 06:10:38 UTC
Setting severity to major (grave error!), priority medium for now as it happened once in 6 days (in BAT though)
Comment 5 CI Bug Log 2019-10-28 16:08:24 UTC
A CI Bug Log filter associated to this bug has been updated:

{- GLK: igt@i915_selftest@live_gtt - dmesg-fail- *ERROR* engine workaround lost on load! -}
{+ SKL GLK: igt@i915_selftest@live_gtt - dmesg-fail- *ERROR* engine workaround lost on load! +}

New failures caught by the filter:

  * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7199/fi-skl-6600u/igt@i915_selftest@live_gtt.html
Comment 6 Chris Wilson 2019-10-28 16:22:14 UTC
Note the engine workaround lost again before the TLB snafu.


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