[Bug 111310] New: Failed to toggle display to mirror mode
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Aug 7 02:55:22 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=111310
Bug ID: 111310
Summary: Failed to toggle display to mirror mode
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: acelan at gmail.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Created attachment 144961
--> https://bugs.freedesktop.org/attachment.cgi?id=144961&action=edit
journal -b -k, the HDMI monitor fails to display after switched to mirror mode
OS: Ubuntu 18.04
Kernel: 5.3-rc3
XPS 13 7390 (TBT port) -> Dell WD19TB Thunderbolt Dock (Type C DP port) -> Type
C to HDMI(04b4:5210) -> HDMI Monitor
Toggle the display to mirror mode the HDMI monitor always get blank screen.
But after added drm.debug=0xe, it leads to this issue hard to be reproduced,
I've tried around 10 times to get one failure.
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