Originally posted by AndyNicholson
I've found I can get out of a freeze by using
Alt-PrintScreen-k (see /usr/src/linux/Documentation/sysrq.txt)
Unfortunately it does not do a thing for me. It locked up again today (averages about once a day at least). At least I can ssh in from another system and kill X, but I am at a loss as to what might fix this issue.