[Bug 102614] New: [CI][HSW] *ERROR* PCH transcoder A FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102614

            Bug ID: 102614
           Summary: [CI][HSW] *ERROR* PCH transcoder A FIFO underrun
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

When running CI_DRM_3056, the machine shard-hsw generated the following dmesg
when running igt at kms_flip@basic-flip-vs-dpms:

[   22.635021] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[   22.635097] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun

Full logs:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3056/shard-hsw3/igt@kms_flip@basic-flip-vs-dpms.html

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