On 03/11/2016 06:06 PM, Michael Torrie wrote:
This can happen if the window manager crashes, and then gets restarted.
Are you running Gnome 3 or something else like Mate?
I'm looking at my logs, and it looks like that's not the problem. Here's
what I see (repeatedly) in Xorg.0.log:
[ 44413.282] (II) intel(0): resizing framebuffer to 1920x1080
[ 44413.284] (II) intel(0): switch to mode [email protected] on HDMI1 using
pipe 0, position (0, 0), rotation normal, reflection none
[ 44413.440] (II) intel(0): resizing framebuffer to 3840x1080
[ 44413.462] (II) intel(0): switch to mode [email protected] on HDMI1 using
pipe 0, position (1920, 0), rotation normal, reflection none
[ 44413.463] (II) intel(0): switch to mode [email protected] on HDMI2 using
pipe 1, position (0, 0), rotation normal, reflection none
So it looks like it's having trouble maintaining the connection to the
second monitor, and switches it back to a single monitor for a split
second before reestablishing both monitors.
It has never happened while I'm logged in, only while the screen is
locked, so I'm pretty sure it's not a hardware issue. I can use it just
fine for hours at a time, but if I leave it alone for 5 minutes, it borks.
I'm guessing that it's a display driver problem, but I'm not certain.
Steve
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