Regression on linux-next (next-20240506)

[Borah, Chaitanya Kumar]

Hi,

On 5/15/2024 2:24 PM, Thomas Zimmermann wrote:
> 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?

I could not find a public link for the linux-next config we use but this 
should be close enough.

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14764/kconfig.txt


Regards

Chaitanya

>
> 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
>
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