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

Fri Mar 14 14:31:05 UTC 2025

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?

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
>>
> 

-- 
Louis Chauvet, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com