On Tue, May 04, 2021 at 06:00:58PM +0300, Imre Deak wrote:

On Fri, Apr 30, 2021 at 12:55:28AM +0000, Patchwork wrote:

quoted

== Series Details ==

Series: lib/igt_fb: A few changes to fix test runs on ADL_P
URL   : https://patchwork.freedesktop.org/series/89668/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_10028_full -> IGTPW_5771_full
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with IGTPW_5771_full absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in IGTPW_5771_full, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_5771/index.html

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in IGTPW_5771_full:

### IGT changes ###

#### Possible regressions ####

  * igt@kms_plane@pixel-format-pipe-a-planes:
    - shard-tglb:         [PASS][1] -> [SKIP][2]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10028/shard-tglb3/igt@kms_plane@pixel-format-pipe-a-planes.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_5771/shard-tglb7/igt@kms_plane@pixel-format-pipe-a-planes.html

Test requirement not met in function test_format_plane, file ../tests/kms_plane.c:912:
Test requirement: num_unique_crcs(ref_crc[PLANAR_CRC_SET], data->num_colors) > 1

after a bunch of CRC mismatches, so I suppose the CRC generation gets
stuck at one point.

It's on the same path this patchset changes, however on TGL the patchset
should have no functional change: the stride calculated by
__intel_buf_init() and the stride passed to it by
igt_fb_create_intel_buf() always match based on my tests. After testing
the same CI testlist locally on 2 TGLs, I also rerun the testlist where
this problem didn't happen:

There's definitely something hinky going on with tgl since kms_big_fb
is also failing atm in ci. But dunno if that's related or not.

-- 
Ville Syrjälä
Intel
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