[Bug 97208] New: Screen is flickering under newer linux kernel.
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Aug 4 19:22:30 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=97208
Bug ID: 97208
Summary: Screen is flickering under newer linux kernel.
Product: DRI
Version: XOrg 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: pwiecz at gmail.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Created attachment 125544
--> https://bugs.freedesktop.org/attachment.cgi?id=125544&action=edit
dmesg with drm.debug=1
The computer running Ubuntu is being used as HTPC connected via HDMI to a
screen projector.
After upgrading to 16.04, it's unusable under production kernel.
The screen starts flickering after a while (it's easily triggered by fast
scrolling e.g. terminal's window). The whole screen get's filled with a noise,
and then the projector gets disconnected for a while. The computer runs fine
on an older kernel (4.2.0-35), it's still
broken on the mainline kernel 4.7.0.
Linux version 4.7.0-040700-generic (kernel at tangerine) (gcc version 5.4.0
20160609 (Ubuntu 5.4.0-6ubuntu1) ) #201608011546 SMP Mon Aug 1 19:48:41 UTC
2016
Attaching dmesg output
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