This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1628506
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1628506
Title:
Dual monitor - screen flashes and turns black on mouse movement and
keyboard input
Status in linux package in Ubuntu:
Incomplete
Bug description:
This bug might be related to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1553503
However, there are minor differences.
The dual monitor support worked with Ubuntu 16.04
This affects Ubuntu 16.10.
- Kernel Linux 4.8.0-17-generic
- VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06)
- CPU: Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz
The issue manifests in multiple ways:
a) When moving the mouse from one screen to another, on the leaving screen an
area in the upper left corner approx. 6 by 6 cm (on an 20" screen) flashes
(dark).
b) In case the mouse is on the left screen
- I move it to the right (the screen flashes)
- I select a text editor component (the screen flashes or the screen turns
black for at least a second)
- I type text (the screen flashes once or the screen turns black for at least
a second)
I tested this behavior with Ubuntu's Unity desktop and gnome-shell. It
does not appear when switching between screens on the login screen.
However ,ti does appear in case I use the switch user to get another
login screen.
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