Just got the external screen in the same state again (ie, blank) after
leaving the desk for 5-10 minutes.
While in that state, the external screens tells that it doesn't receive any
Switching it's input from it's usual DP input to another one, and switching
back again does restore the
Public bug reported:
Since upgrading to 18.10, my Dell P2715Q external screen (connected to a
Dell XPS 13 9343 laptop) fails to wakeup after a period of inactivity:
- leave the laptop idle for a while, gnome screen lock will take over
and shut down the internal panel & external screen (it
Sending crash report generated by Apport, with all debug symbols loaded.
The stack trace is then more informative, here is an extract:
#0 0x7fc03cf2ee37 in __GI_raise (sig=sig@entry=6) at
#1 0x7fc03cf30528 in __GI_abort () at
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