Regression on linux-next (next-20240506)

[Thomas Zimmermann]

Hi

Am 15.05.24 um 10:16 schrieb 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 😊

Sorry, I didn't notice the report before. The commit is not related to 
ACPI. There's now asm/video.h and acpi/video.h. Maybe there's a conflict 
among included files.

Do you have a kernel config to build with?

Best regards
Thomas

>
>> 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

-- 
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)