I guess this is the key line in the log file: xscreensaver: 21:17:14: LOCK ClientMessage received; activating and locking.
Presumably something, such as ACPI, is asking xscreensaver to lock rather than activate? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1067140 Title: Closing laptop lid locks even with "lock: False" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xscreensaver/+bug/1067140/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
