[Bug 105340] New: [CI] igt at kms_vblank@pipe-a-ts-continuation-modeset-hang - dmesg-warn - *ERROR* CPU pipe A FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105340

            Bug ID: 105340
           Summary: [CI]
                    igt at kms_vblank@pipe-a-ts-continuation-modeset-hang -
                    dmesg-warn - *ERROR* CPU pipe A FIFO underrun
           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: marta.lofstedt at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4321/shard-glkb3/igt@kms_vblank@pipe-a-ts-continuation-modeset-hang.html

<7>[  211.047130] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
<3>[  211.047229] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun
<7>[  211.047690] [drm:intel_fbc_underrun_work_fn [i915]] Disabling FBC due to
FIFO underrun.

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