[Bug 98607] New: display blacks for 2 seconds and dmesg says "*ERROR* CPU pipe B FIFO underrun"
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sun Nov 6 08:54:33 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=98607
Bug ID: 98607
Summary: display blacks for 2 seconds and dmesg says "*ERROR*
CPU pipe B FIFO underrun"
Product: DRI
Version: unspecified
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: jiri at resnulli.us
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Created attachment 127796
--> https://bugs.freedesktop.org/attachment.cgi?id=127796&action=edit
dmesg with debug output
>From time to time (once every 2 hours), during the work (key press??), display
blacks for ~2seconds. After that, everything restores an is fine again.
Once that happens, dmesg says:
*ERROR* CPU pipe B FIFO underrun
Dmesg with debug output is attached.
Kernel:
4.8.4-200.fc24.x86_64
I tried to run intel-drm kernel but I was consistently getting "double free"
error during boot-up.
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