[BLUG] Cannot suspend Dell Inspiron Ubuntu 10.10

I installed 10.10 on my Dell when it was released and had been having
no problems with suspending. Closing the lid or choosing suspend from
the menu worked. Starting yesterday, though, suspend no longer works.
If I close the lid or choose suspend from the menu, the screen goes
black and the computer locks. It also seem like it is using near 100%
of the cpu (although I can't test since the system is frozen), because
the fan turns on full speed and the laptop gets warm the longer I
leave it in this state. Googling brought up this bug report:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/522998 but I'm
not sure that it is related to my problem. If anyone has any ideas
(or other tests I can run to help troubleshoot) I would appreciate it!

Ben
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