[Bug 103020] New: [BAT] *ERROR* Atomic update failure on pipe B

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103020

            Bug ID: 103020
           Summary: [BAT] *ERROR* Atomic update failure on pipe B
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jani.saarinen at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

On CI running igt at 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. 

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3146/fi-bxt-dsi/igt@kms_busy@basic-flip-b.html


Out     
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)
Environment     
PIGLIT_SOURCE_DIR="/opt/igt/piglit" PIGLIT_PLATFORM="mixed_glx_egl"

Command 
/opt/igt/libexec/intel-gpu-tools/kms_busy --run-subtest basic-flip-B

Dmesg   
[  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

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