Regression on linux-next (next-20240506)

[Borah, Chaitanya Kumar]

> -----Original Message-----
> From: Borah, Chaitanya Kumar
> Sent: Wednesday, May 8, 2024 3:05 PM
> To: tzimmermann at suse.de
> Cc: intel-gfx at lists.freedesktop.org; Kurmi, Suresh Kumar
> <suresh.kumar.kurmi at intel.com>; Saarinen, Jani <jani.saarinen at intel.com>
> Subject: Regression on linux-next (next-20240506)
> 
> Hello Thomas,
> 
> Hope you are doing well.
> 
> This mail is regarding a regression we are seeing in our CI runs[1] on linux-
> next repository.
> 
> Since the version next-20240506 [2], we are seeing the following regression
> 
> `````````````````````````````````````````````````````````````````````````````````
> Starting dynamic subtest: gt_contexts
> (i915_selftest:1107) igt_kmod-WARNING: i915: Unknown symbol
> acpi_video_unregister (err -2)
> (i915_selftest:1107) igt_kmod-WARNING: i915: Unknown symbol
> acpi_video_register_backlight (err -2)
> (i915_selftest:1107) igt_kmod-WARNING: i915: Unknown symbol
> __acpi_video_get_backlight_type (err -2)
> (i915_selftest:1107) igt_kmod-WARNING: i915: Unknown symbol
> acpi_video_register (err -2)
> (i915_selftest:1107) igt_kmod-CRITICAL: Test assertion failure function
> igt_kselftest_execute, file ../../../usr/src/igt-gpu-tools/lib/igt_kmod.c:1594:
> (i915_selftest:1107) igt_kmod-CRITICAL: Failed assertion: err == 0
> (i915_selftest:1107) igt_kmod-CRITICAL: kselftest "i915
> igt__23__live_gt_contexts=1 live_selftests=-1 disable_display=1 st_filter="
> failed: No such file or directory [2] Dynamic subtest gt_contexts failed.
> `````````````````````````````````````````````````````````````````````````````````
> Details log can be found in [3].
> 
> After bisecting the tree, the following patch [4] seems to be the first "bad"
> commit
> 
> `````````````````````````````````````````````````````````````````````````````````````````````````````````
> 2fd001cd36005846caa6456fff1008c6f5bae9d4 is the first bad commit commit
> 2fd001cd36005846caa6456fff1008c6f5bae9d4
> Author: Thomas Zimmermann tzimmermann at suse.de
> Date:   Fri Mar 29 21:32:12 2024 +0100
> 
>     arch: Rename fbdev header and source files
> `````````````````````````````````````````````````````````````````````````````````````````````````````````
> 
> We also verified that if we revert the patch the issue is not seen.
> 
> Could you please check why the patch causes this regression and provide a fix
> if necessary?
> 
+Jani N

Gentle Reminder 😊

> Thank you.
> 
> Regards
> 
> Chaitanya
> 
> [1] https://intel-gfx-ci.01.org/tree/linux-next/combined-alt.html?
> [2] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-
> next.git/commit/?h=next-20240506
> [3] https://intel-gfx-ci.01.org/tree/linux-next/next-20240506/bat-mtlp-
> 9/igt at i915_selftest@live at gt_contexts.html
> [4] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-
> next.git/commit/?h=next-
> 20240506&id=2fd001cd36005846caa6456fff1008c6f5bae9d4