A whole system restart is likely a kernel bug. Next time it happens,
please run:
journalctl -b-1 > prevboot.txt
and attach the resulting text file here.
** Package changed: gnome-shell (Ubuntu) => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Status: New => Incomplete
--
You received
** Package changed: ubuntu => gnome-shell (Ubuntu)
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1968255
Title:
Sudden, unexpected restart of the whole system. Reporting after
automatic restart
