May be due to edit of /etc/systemd/login.conf edited to suspend computer if login screen is up. uncommented:
#IdleAction=suspend #IdleActionSec=15min and saw the behavior. re-commented and have not seen the behavior. This edit has worked to suspend the gdm login screen since 12.04 to 15.04. It does not work for 15.10 or 16.04 ~$ cat /etc/systemd/logind.conf # This file is part of systemd. # # systemd is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. # # Entries in this file show the compile time defaults. # You can change settings by editing this file. # Defaults can be restored by simply deleting this file. # # See logind.conf(5) for details. [Login] #NAutoVTs=6 #ReserveVT=6 #KillUserProcesses=no #KillOnlyUsers= #KillExcludeUsers=root #InhibitDelayMaxSec=5 #HandlePowerKey=poweroff #HandleSuspendKey=suspend #HandleHibernateKey=hibernate #HandleLidSwitch=suspend #HandleLidSwitchDocked=ignore #PowerKeyIgnoreInhibited=no #SuspendKeyIgnoreInhibited=no #HibernateKeyIgnoreInhibited=no #LidSwitchIgnoreInhibited=yes #HoldoffTimeoutSec=30s #IdleAction=suspend #IdleActionSec=15min #RuntimeDirectorySize=10% #RemoveIPC=yes #UserTasksMax=12288 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1574127 Title: Random suspend when working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/+bug/1574127/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
