drm-ci: vkms: kms_flip at modeset-vs-vblank-race flake

Mon Mar 17 08:16:22 UTC 2025

Hi Louis,

On 14/03/25 20:01, Louis Chauvet wrote:
> 
> 
> Le 14/03/2025 à 13:11, Vignesh Raman a écrit :
>> Hi Louis,
>>
>> On 13/03/25 19:30, Louis Chauvet wrote:
>>>
>>>
>>> Le 13/03/2025 à 11:45, Vignesh Raman a écrit :
>>>> Hi Maintainers,
>>>>
>>>
>>> Hi Vignesh,
>>>
>>> Thanks for the report.
>>>
>>> On my setup, this test passed, and the others are skipped.
>>>
>>> I think the issue on this specific test may be due to performance (seems
>>> to be a timing issue, I will try to slow down my VM). The other tests
>>> require suspend/resume, which I failed to setup on my VM.
>>>
>>> To understand what is wrong, I would like to have an environment very
>>> similar to the CI, how can I reproduce this on my machine? Is there a
>>> setup script somewhere I can run to create a virtual machine?
>>
>> You can follow the instructions below to use the same container that
>> drm-ci uses from mesa (From pipeline
>> https://gitlab.freedesktop.org/vigneshraman/linux/-/jobs/72473690).
>> drm-ci uses the crosvm-runner.sh script. You can also build specific IGT
>> version and run the tests from the container. Thanks Corentin for the
>> documentation.
>>
>> https://gitlab.collabora.com/virgl-es/documentation/-/blob/master/dev- 
>> ci-container.md
> 
> Thank you so much for those information, but I think this gitlab 
> instance is private, is there a public repository somewhere?

Please can you check this link,
https://github.com/vigneshraman/dev-ci-container/blob/main/dev-ci-container.md

Regards,
Vignesh

> 
> Have a nice day,
> Louis Chauvet
> 
>> If you want to run only specific tests for vkms in drm-ci, you can use
>> this commit,
>> https://gitlab.freedesktop.org/vigneshraman/linux/-/ 
>> commit/0773affa01a4347056c891bc58887ae1daa0161c
>>
>> Once the pipeline is created you can use the ci_run_n_monitor.py [1]
>> from mesa project to run only vkms and its dependent jobs.
>>
>> ../mesa/bin/ci/ci_run_n_monitor.py --pipeline-url
>> https://gitlab.freedesktop.org/vigneshraman/linux/-/pipelines/1384344
>> --target vkms:none
>>
>> [1]
>> https://gitlab.freedesktop.org/mesa/mesa/-/blob/main/bin/ci/ 
>> ci_run_n_monitor.py
>>
>> Please let us know if you need more information. Thanks.
>>
>> Regards,
>> Vignesh
>>
>>>
>>> Thanks,
>>> Louis Chauvet
>>>
>>>> There are some flake test reported for vkms driver testing in drm-ci.
>>>>
>>>> # Board Name: vkms
>>>> # Failure Rate: 20
>>>> # IGT Version: 1.30-g04bedb923
>>>> # Linux Version: 6.14.0-rc4
>>>> kms_flip at modeset-vs-vblank-race
>>>>
>>>> DEBUG - Begin test kms_flip at modeset-vs-vblank-race
>>>> ERROR - Igt error: (kms_flip:1250) CRITICAL: Test assertion failure
>>>> function run_test_step, file ../tests/kms_flip.c:979:
>>>> ERROR - Igt error: (kms_flip:1250) CRITICAL: Failed assertion: end -
>>>> start > 0.9 * actual_frame_time(o) && end - start < 2.6 *
>>>> actual_frame_time(o)
>>>> ERROR - Igt error: (kms_flip:1250) CRITICAL: wait for two vblanks took
>>>> 47374 usec (frame time 16665.600000 usec)
>>>> ERROR - Igt error: Dynamic subtest A-Virtual17 failed.
>>>> ERROR - Igt error: **** DEBUG ****
>>>> ERROR - Igt error: (kms_flip:1250) igt_fb-DEBUG:
>>>> igt_create_fb_with_bo_size(width=1024, height=768,
>>>> format=XR24(0x34325258), modifier=0x0, size=0)
>>>> ERROR - Igt error: (kms_flip:1250) igt_fb-DEBUG:
>>>> igt_create_fb_with_bo_size(handle=1, pitch=4096)
>>>> ERROR - Igt error: (kms_flip:1250) ioctl_wrappers-DEBUG: Test
>>>> requirement passed: igt_has_fb_modifiers(fd)
>>>> ERROR - Igt error: (kms_flip:1250) igt_fb-DEBUG:
>>>> igt_create_fb_with_bo_size(width=1024, height=768,
>>>> format=XR24(0x34325258), modifier=0x0, size=0)
>>>> ERROR - Igt error: (kms_flip:1250) igt_fb-DEBUG:
>>>> igt_create_fb_with_bo_size(handle=2, pitch=4096)
>>>> ERROR - Igt error: (kms_flip:1250) ioctl_wrappers-DEBUG: Test
>>>> requirement passed: igt_has_fb_modifiers(fd)
>>>> ERROR - Igt error: (kms_flip:1250) igt_fb-DEBUG: Test requirement
>>>> passed: cairo_surface_status(fb->cairo_surface) == CAIRO_STATUS_SUCCESS
>>>> ERROR - Igt error: (kms_flip:1250) igt_fb-DEBUG: Test requirement
>>>> passed: cairo_surface_status(fb->cairo_surface) == CAIRO_STATUS_SUCCESS
>>>> ERROR - Igt error: (kms_flip:1250) igt_kms-INFO:   1024x768: 60 65000
>>>> 1024 1048 1184 1344 768 771 777 806 0x48 0xa
>>>> ERROR - Igt error: (kms_flip:1250) DEBUG: No stale events found
>>>> ERROR - Igt error: (kms_flip:1250) INFO: Expected frametime: 16666us;
>>>> measured 16665.6us +- 0.500us accuracy 0.01%
>>>> ERROR - Igt error: (kms_flip:1250) CRITICAL: Test assertion failure
>>>> function run_test_step, file ../tests/kms_flip.c:979:
>>>> ERROR - Igt error: (kms_flip:1250) CRITICAL: Failed assertion: end -
>>>> start > 0.9 * actual_frame_time(o) && end - start < 2.6 *
>>>> actual_frame_time(o)
>>>> ERROR - Igt error: (kms_flip:1250) CRITICAL: wait for two vblanks took
>>>> 47374 usec (frame time 16665.600000 usec)
>>>> ERROR - Igt error: (kms_flip:1250) igt_core-INFO: Stack trace:
>>>> ERROR - Igt error: (kms_flip:1250) igt_core-INFO:   #0
>>>> ../lib/igt_core.c:2055 __igt_fail_assert()
>>>> ERROR - Igt error: (kms_flip:1250) igt_core-INFO:   #1
>>>> ../tests/kms_flip.c:1023 run_test_on_crtc_set.constprop.0()
>>>> ERROR - Igt error: (kms_flip:1250) igt_core-INFO:   #2
>>>> ../tests/kms_flip.c:1845 run_test()
>>>> ERROR - Igt error: (kms_flip:1250) igt_core-INFO:   #3
>>>> ../tests/kms_flip.c:2078 __igt_unique____real_main2001()
>>>> ERROR - Igt error: (kms_flip:1250) igt_core-INFO:   #4
>>>> ../tests/kms_flip.c:2001 main()
>>>> ERROR - Igt error: (kms_flip:1250) igt_core-INFO:   #5
>>>> [__libc_init_first+0x8a]
>>>> ERROR - Igt error: (kms_flip:1250) igt_core-INFO:   #6
>>>> [__libc_start_main+0x85]
>>>> ERROR - Igt error: (kms_flip:1250) igt_core-INFO:   #7 [_start+0x21]
>>>> ERROR - Igt error: ****  END  ****
>>>> ERROR - Igt error: (kms_flip:1250) igt_kms-CRITICAL: Test assertion
>>>> failure function kmstest_set_connector_dpms, file ../lib/ 
>>>> igt_kms.c:2246:
>>>> ERROR - Igt error: (kms_flip:1250) igt_kms-CRITICAL: Failed assertion:
>>>> found_it
>>>> ERROR - Igt error: (kms_flip:1250) igt_kms-CRITICAL: Last errno: 9, Bad
>>>> file descriptor
>>>> ERROR - Igt error: (kms_flip:1250) igt_kms-CRITICAL: DPMS property not
>>>> found on 39
>>>> ERROR - Test kms_flip at modeset-vs-vblank-race: Fail: See
>>>> "/builds/vigneshraman/linux/results/igt.kms_flip at modeset-vs-vblank-
>>>> race.log"
>>>> DEBUG - End test kms_flip at modeset-vs-vblank-race
>>>>
>>>> Pipeline: https://gitlab.freedesktop.org/vigneshraman/linux/-/
>>>> jobs/72473690
>>>>
>>>> Please could you have a look at these test results and let us know if
>>>> you need more information. Thank you.
>>>>
>>>> Regards,
>>>> Vignesh
>>>
>>
> 