[Bug 98251] New: [ILK][BAT] kms_pipe_crc_basic/nonblocking-crc-pipe-b underrun Dmesg Warnings

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98251

            Bug ID: 98251
           Summary: [ILK][BAT] kms_pipe_crc_basic/nonblocking-crc-pipe-b
                    underrun Dmesg Warnings
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: akash.goels at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

According to e-mail results, for the CI run
/archive/results/CI_IGT_test/Patchwork_2708/, there were Warning messages for
the following
Test kms_pipe_crc_basic:
        Subgroup nonblocking-crc-pipe-b:
                pass       -> DMESG-WARN (fi-ilk-650)

[  465.200069] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder B FIFO underrun
[  465.200137] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun

The patch https://patchwork.freedesktop.org/patch/115578/, which was actually
tested, has no apparent connection with the above Warning messages and
shouldn't have caused this issue.

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