The problem doesn't manifest since I changed the screensaver to blank. I
think we should remove buggy screensavers like skyrocket.
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Computer hangs after switch user or lock screen
https://bugs.launchpad.net/bugs/223421
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Bugs,
This happens extremely frequently. The screensaver is set to "Skyrocket"
but I don't think that is the reason. Atleast once a day when I try to
unlock the screen the machine hangs. The mouse I guess works because
sometimes I have seen the cursor and it moves with the mouse. But
nothing on the keybo