Public bug reported:
Upgrade via Software Updater from Ubuntu 18.04 to 18.10 failed.
The report was generated by following instructions on the error dialog:
ubuntu-bug ubuntu-release-upgrader-core
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.29
P
I can confirm this bug on another Distro. Using Arch with Gnome 3.12 and
Nvidia GeForce. The lock screen is frozen, mouse cursor visible and
movable but UI does not react. Keyboard input works, but has no "visual
effect", I can switch TTY and type commands blindly but the lock screen
remains frozen