✗ Xe.CI.Full: failure for drm/i915/cmtg: Disable the CMTG (rev8)

[Gustavo Sousa]

Quoting Gustavo Sousa (2025-01-27 09:40:18-03:00)
>Quoting Patchwork (2025-01-25 00:03:21-03:00)
>>== Series Details ==
>>
>>Series: drm/i915/cmtg: Disable the CMTG (rev8)
>>URL   : https://patchwork.freedesktop.org/series/142946/
>>State : failure
>>
>>== Summary ==
>>
>>CI Bug Log - changes from xe-2549-b36df02c99e3246ba2a90e951c71797327374db7_full -> xe-pw-142946v8_full
>>====================================================
>>
>>Summary
>>-------
>>
>>  **FAILURE**
>>
>>  Serious unknown changes coming with xe-pw-142946v8_full absolutely need to be
>>  verified manually.
>>  
>>  If you think the reported changes have nothing to do with the changes
>>  introduced in xe-pw-142946v8_full, please notify your bug team (I915-ci-infra at lists.freedesktop.org) to allow them
>>  to document this new failure mode, which will reduce false positives in CI.
>>
>>  
>>
>>Participating hosts (4 -> 4)
>>------------------------------
>>
>>  No changes in participating hosts
>>
>>Possible new issues
>>-------------------
>>
>>  Here are the unknown changes that may have been introduced in xe-pw-142946v8_full:
>>
>>### IGT changes ###
>>
>>#### Possible regressions ####
>>
>>  * igt at kms_ccs@crc-primary-basic-4-tiled-lnl-ccs at pipe-a-edp-1:
>>    - shard-lnl:          [PASS][1] -> [INCOMPLETE][2] +1 other test incomplete
>>   [1]: https://intel-gfx-ci.01.org/tree/intel-xe/xe-2549-b36df02c99e3246ba2a90e951c71797327374db7/shard-lnl-3/igt@kms_ccs@crc-primary-basic-4-tiled-lnl-ccs@pipe-a-edp-1.html
>>   [2]: https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-142946v8/shard-lnl-1/igt@kms_ccs@crc-primary-basic-4-tiled-lnl-ccs@pipe-a-edp-1.html
>
>Not sure how this test could be related to the CMTG getting disabled at
>module load. I would expect more issues to pop up for LNL if disabling
>the CMTG would cause problems.

I re-ran this multiple times in a LNL machine and did not reproduce the
incompletion.

Pushed to drm-intel-next.

Thank you all for the reviews/feedback.

--
Gustavo Sousa

>
>>
>>  * igt at kms_color@deep-color:
>>    - shard-bmg:          NOTRUN -> [INCOMPLETE][3] +1 other test incomplete
>>   [3]: https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-142946v8/shard-bmg-1/igt@kms_color@deep-color.html
>
>If we look at
>https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-142946v8/shard-bmg-1/boot12.txt,
>we will see that CMTG was not being used, so this patch did not cause
>any functional change to the hardware state. So this incomplete should
>be related to this.
>
>>
>>  * igt at kms_flip@flip-vs-blocking-wf-vblank at c-hdmi-a1:
>>    - shard-adlp:         NOTRUN -> [INCOMPLETE][4] +1 other test incomplete
>>   [4]: https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-142946v8/shard-adlp-3/igt@kms_flip@flip-vs-blocking-wf-vblank@c-hdmi-a1.html
>
>We only read the CMTG state for ADL, but we do not disable it. This
>incomplete should not be related to this patch.
>
>>
>>  * igt at kms_force_connector_basic@force-edid:
>>    - shard-adlp:         [PASS][5] -> [DMESG-WARN][6] +5 other tests dmesg-warn
>>   [5]: https://intel-gfx-ci.01.org/tree/intel-xe/xe-2549-b36df02c99e3246ba2a90e951c71797327374db7/shard-adlp-6/igt@kms_force_connector_basic@force-edid.html
>>   [6]: https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-142946v8/shard-adlp-3/igt@kms_force_connector_basic@force-edid.html
>
>Possibly related to
>https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/2953 .
>
>>
>>  * igt at kms_pm_rpm@basic-pci-d3-state:
>>    - shard-bmg:          [PASS][7] -> [FAIL][8] +2 other tests fail
>>   [7]: https://intel-gfx-ci.01.org/tree/intel-xe/xe-2549-b36df02c99e3246ba2a90e951c71797327374db7/shard-bmg-7/igt@kms_pm_rpm@basic-pci-d3-state.html
>>   [8]: https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-142946v8/shard-bmg-4/igt@kms_pm_rpm@basic-pci-d3-state.html
>
>This seems to have already happened before:
>
>   https://intel-gfx-ci.01.org/tree/intel-xe/IGT_8193/shard-bmg-4/igt@kms_pm_rpm@basic-pci-d3-state.html
>
>This does not seem related to this patch.
>
>--
>Gustavo Sousa