I'm no longer able to lock my screen with Ctrl-Alt-L, and
$ xscreensaver-command -lock xscreensaver-command: already locked.
What is going on here? Is this functionality broken?
xscreensaver-command -activate still works, but that doesn't prompt for the password when dismissing.
$ uname -a Linux hostname 3.0.0-17-generic #30-Ubuntu SMP Thu Mar 8 20:45:39 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux