[Bug 95124] New: Blinking display with 4.6-rc*
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Apr 25 08:44:14 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=95124
Bug ID: 95124
Summary: Blinking display with 4.6-rc*
Product: DRI
Version: XOrg git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: sgunderson at bigfoot.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Created attachment 123234
--> https://bugs.freedesktop.org/attachment.cgi?id=123234&action=edit
dmesg from boot to the issue
I have a Lenovo X240, which has Haswell integrated graphics. On upgrade from
4.5.0 to 4.6-rc1, I noticed an extremely irritating issue; about every
minute, the display shows black for a brief moment (perhaps one or two
frames), then reverts back to the correct display. There are no other ill
effects that I can see, in particular nothing in dmesg. I tried with 4.6-rc4,
and it has the same issue.
Attached is a dmesg log with drm.debug=14, as requested by email. It's taken
right after the first blink.
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