[Bug 94605] New: Flashing black screen ([drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Mar 17 23:07:06 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=94605

            Bug ID: 94605
           Summary: Flashing black screen
                    ([drm:intel_cpu_fifo_underrun_irq_handler [i915]]
                    *ERROR* CPU pipe A FIFO underrun)
           Product: DRI
           Version: unspecified
          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: alex_y_xu at yahoo.ca
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 122395
  --> https://bugs.freedesktop.org/attachment.cgi?id=122395&action=edit
dmesg.txt

Within ~5 minutes after booting, the screen begins intermittently flashing
black, partially flashing black (rectangular portion of screen covering "top"
or "bottom" of screen), or flashing "offset", i.e. the correct screen contents
but offset ~20% of screen to the right.

This message appears to be related:

[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO
underrun

System information:

$ dmesg | head -n 1
[    0.000000] Linux version 4.5.0-1-ARCH (builduser at tobias) (gcc version 5.3.0
(GCC) ) #1 SMP PREEMPT Tue Mar 15 09:41:03 CET 2016
$ lspci -s 00:02.0
00:02.0 VGA compatible controller: Intel Corporation Skylake Integrated
Graphics (rev 07)

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