On CI running igt@kms_busy@basic-flip-b caused Atomic update failure on pipe B.
Some connection to bug seen previously (102403) but will make own now to not re-open whole issue again.
IGT-Version: 1.19-g2885b10f (x86_64) (Linux: 4.14.0-rc2-CI-CI_DRM_3146+ x86_64)
Subtest basic-flip-B: SUCCESS (0.911s)
Test requirement not met in function __real_main311, file kms_busy.c:337:
Test requirement: !(n >= display.n_pipes)
/opt/igt/libexec/intel-gpu-tools/kms_busy --run-subtest basic-flip-B
[ 335.676578] Setting dangerous option reset - tainting kernel
[ 336.201819] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe B (start=23 end=24) time 104 us, min 1192, max 1199, scanline start 1191, end 1202
[ 336.588555] Setting dangerous option reset - tainting kernel
We tried to reproduce this issue on the latest drm tip (top of tree).
Author: Jani Nikula <firstname.lastname@example.org>
Date: Thu Oct 5 09:44:50 2017 +0300
drm-tip: 2017y-10m-05d-06h-44m-09s UTC integration manifest
Linux intel-desktop 4.14.0-rc3+ #1 SMP Thu Oct 5 14:07:27 IST 2017 x86_64 x86_64 x86_64 GNU/Linux
We executed the test kms_busy (mentioned in the bug) for around 25 iterations and we were not able to reproduce the issue.
Can someone please reconfirm if this issue exists on the top of tree?
*** This bug has been marked as a duplicate of bug 102403 ***