panic cpu 2 caller!

[nkoun]

My hack works without any problems since 2 months. Today I booted and got panic cpu 2 caller. Rebooted and everything was normal again. What's panic cpu 2 caller and should I do something about it?

EDIT: I also got for the first time a wake from sleep issue: All software quit unexpectedly and would not reopen. I had to restart. Please help! I haven't changed anything in my setup, so it's weird that something like that starts out of the blue...

EDIT2: Fixed permissions and retried to wake from sleep. When I enter my password everything freezes. Booting is fine.

 

[nkoun]

Through trial and error I found out that it's the bluetooth dongle causing the wake issue. After repairing permissions and restarting there are no more freezes. But the computer will wake only by pressing the power button. Two days ago everything was fine, the usb keyboard would do the job. It's a Belkin 4.0 bluetooth dongle. Any ideas?