It seems everything started to fail after resume because the X server
went away:
Okt 25 05:43:31 GS1 gnome-shell[1346]: gnome-shell: Fatal IO error 0
(Success) on X server :0.
However Xorg did not crash. It just decided to shut down on system
resume:
Okt 25 05:43:31 GS1 /usr/lib/gdm3/gdm-x-session[1302]: (II) Server
terminated successfully (0). Closing log file.
I don't know why Xorg would decide to shut down on resume. Maybe it was
a delayed reaction to using the power button? If you use the power
button in a normal Linux console then indeed the normal behaviour is to
shut down.
Maybe the problem was that gnome-shell misinterpreted "Fatal IO error 0
(Success)" which then started the shutdown.
** Package changed: linux (Ubuntu) => gnome-shell (Ubuntu)
** Summary changed:
- System freezes after suspend
+ Xorg terminates (cleanly) on resume from suspend
** Also affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Changed in: gnome-shell (Ubuntu)
Status: Incomplete => New
** Also affects: xorg-server (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1797518
Title:
System freezes after suspend
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