Regression on linux-next (next-20240506)

[Borah, Chaitanya Kumar]

Hello

> -----Original Message-----
> From: Thomas Zimmermann <tzimmermann at suse.de>
> Sent: Wednesday, May 15, 2024 2:25 PM
> To: Borah, Chaitanya Kumar <chaitanya.kumar.borah at intel.com>
> Cc: intel-gfx at lists.freedesktop.org; Kurmi, Suresh Kumar
> <suresh.kumar.kurmi at intel.com>; Saarinen, Jani <jani.saarinen at intel.com>;
> Nikula, Jani <jani.nikula at intel.com>
> Subject: Re: Regression on linux-next (next-20240506)
> 
> 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?
> 
~Sorry my email client messed up my previous reply. So sending again~

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
> 
> --
> --
> 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)