The lightdm log shows this: [+3.67s] DEBUG: Got signal 15 from process 939 [+3.67s] DEBUG: Caught Terminated signal, shutting down
So, something is killing lightdm with a signal. >From the PID, and from an 'initctl list' on the same system, it's clear that the signal is coming from some process that has started on runlevel 2 (cron, atd, and acpid all have PIDs of 93x). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1061149 Title: boot occasionally hangs while "Checking battery state..." To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1061149/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs