Bug 105763 - [CI] igt@kms_* - dmesg-warn - *ERROR* CPU pipe A FIFO underrun
Summary: [CI] igt@kms_* - dmesg-warn - *ERROR* CPU pipe A FIFO underrun
Status: NEW
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard: ReadyForDev
Keywords:
Depends on:
Blocks: 105980
  Show dependency treegraph
 
Reported: 2018-03-27 09:33 UTC by Marta Löfstedt
Modified: 2019-09-04 17:24 UTC (History)
1 user (show)

See Also:
i915 platform: CFL, CML, CNL, GLK, KBL
i915 features: display/Other


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Description Marta Löfstedt 2018-03-27 09:33:56 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_7/fi-cfl-s3/igt@kms_plane_scaling@pipe-a-scaler-with-clipping-clamping.html

[  257.035884] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
Comment 2 Martin Peres 2018-05-30 23:19:23 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_54/fi-cnl-psr/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-spr-indfb-fullscreen.html

[  227.738733] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[  227.801928] [drm:intel_dp_sink_crc [i915]] *ERROR* Panel is unable to calculate any CRC after 6 vblanks
Comment 4 Martin Peres 2018-09-13 10:57:54 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_109/fi-cnl-u/igt@kms_plane_scaling@pipe-c-scaler-with-clipping-clamping.html

[  409.093075] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
Comment 5 CI Bug Log 2019-01-21 16:28:38 UTC
A CI Bug Log filter associated to this bug has been updated:

{- GLK CFL WHL CNL: all tests - dmesg-warn / dmesg-fail - *ERROR* CPU pipe [ABC] FIFO underrun -}
{+ KBL GLK CFL WHL CNL: all tests - dmesg-warn / dmesg-fail - *ERROR* CPU pipe [ABC] FIFO underrun +}

New failures caught by the filter:

* https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5456/shard-kbl5/igt@kms_rotation_crc@multiplane-rotation-cropping-bottom.html
Comment 6 CI Bug Log 2019-05-02 11:38:51 UTC
A CI Bug Log filter associated to this bug has been updated:

{- KBL GLK CFL WHL CNL: all tests - dmesg-warn / dmesg-fail - *ERROR* CPU pipe [ABC] FIFO underrun -}
{+ KBL GLK CFL WHL CNL CML: all tests - dmesg-warn / dmesg-fail - *ERROR* CPU pipe [ABC] FIFO underrun +}

New failures caught by the filter:

  * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_271/fi-cml-u2/igt@kms_rotation_crc@multiplane-rotation-cropping-bottom.html
Comment 7 CI Bug Log 2019-05-02 12:49:11 UTC
A CI Bug Log filter associated to this bug has been updated:

{- KBL GLK CFL WHL CNL: all tests - dmesg-warn / dmesg-fail - *ERROR* CPU pipe [ABC] FIFO underrun -}
{+ KBL GLK CFL WHL CNL CML: all tests - dmesg-warn / dmesg-fail - *ERROR* CPU pipe [ABC] FIFO underrun +}

New failures caught by the filter:

  * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_271/fi-cml-u2/igt@kms_rotation_crc@multiplane-rotation-cropping-bottom.html
Comment 8 CI Bug Log 2019-05-02 12:49:37 UTC
A CI Bug Log filter associated to this bug has been updated:

{- KBL GLK CFL WHL CNL: all tests - dmesg-warn / dmesg-fail - *ERROR* CPU pipe [ABC] FIFO underrun -}
{+ KBL GLK CFL WHL CNL CML: all tests - dmesg-warn / dmesg-fail - *ERROR* CPU pipe [ABC] FIFO underrun +}

New failures caught by the filter:

  * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_271/fi-cml-u2/igt@kms_rotation_crc@multiplane-rotation-cropping-bottom.html
Comment 9 Don Hiatt 2019-09-04 17:24:15 UTC
This dmesg pattern has been occurring for ages and does not appear to be localized to a specific test. Bug # 111201 suggests a possible work around and since the priority was set to medium I'm marking this one similarly.


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