Can't Login After Suspend On Ubuntu 17.10
Answer : CrashPlan Solution The problem for me was CrashPlan keeping too many files open while I was away. After rebooting, I looked in /etc/log/syslog and found "No space left on device" errors around the time of my login failure. If you use CrashPlan and find similar messages, then this might work for you too. Messages like: Dec 11 13:01:43 myDesktop systemd[1]: anacron.service: Failed to add inotify watch descriptor for control group /system.slice/anacron.service: No space left on device Dec 11 13:36:15 myDesktop gdm-password]: AccountsService: Failed to monitor logind session changes: No space left on device Dec 11 13:36:40 myDesktop systemd[1]: apt-daily.service: Failed to add inotify watch descriptor for control group /system.slice/apt-daily.service: No space left on device The instructions on the CrashPlan site worked for me (please read before trying on your system): https://support.code42.com/CrashPlan/4/Troubleshooting/Linux_real-time_file_watching_errors ...