I've found many times this behavior with Ubuntu-Gnome 14.04 during some package upgrades with update-manager. In this case, no "failed" message. Only in some case, changing between [Enter] key and click [Ok] button did the trick.
El 25/02/16 a les 11:13, Kristian Rink ha escrit: > Folks; > > just dist-upgraded one of my 15.10 machines to current 16.04 repos. > Overally, things work pretty smooth but things got a bit messy during > upgrade: I left my computer unattended for a while. When I got back, > the GNOME screen was locked. Unfortunately, I wasn't able to unlock > again, being presented with an unlock screen and a yellow "login > failed" message. The unlock screen, then, would reload all 2..3 > seconds, not even leaving enough time to enter my actual password. > > Is this a known issue? Or is this just me? > TIA, > Kristian > -- Ubuntu-GNOME mailing list Ubuntu-GNOME@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-gnome