I reproduced the second part of the problem (screen locks and fails to unlock) after upgrading from 16.04 to 18.04 and before restarting the machine (finish the upgrade, close the upgrader and wait until the screen saver goes off)
The following lines are displayed in the journal: juil. 04 09:27:07 ubuntu compiz[1692]: PAM unable to dlopen(pam_unix.so): /lib/security/pam_unix.so: Ne peut ouvrir le fichier d'objet partagé: Aucun fichier ou dossier de ce type juil. 04 09:27:07 ubuntu compiz[1692]: PAM adding faulty module: pam_unix.so juil. 04 09:27:07 ubuntu compiz[1692]: PAM unable to dlopen(pam_systemd.so): /lib/security/pam_systemd.so: Ne peut ouvrir le fichier d'objet partagé: Aucun fichier ou dossier de ce type juil. 04 09:27:07 ubuntu compiz[1692]: PAM adding faulty module: pam_systemd.so However I didn't reproduce the "lock screen during upgrade" issue even with a config prompt during upgrade. -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1778817 Title: release upgrade from xenial to bionic desktop: screen locks itself, password to unlock fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1778817/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp
