I sometimes get crashes that the console reports at:
"we crashed at instruction 0xffff0315 (PID 0)"
They happen about once a day, always when i am away from the computer (like it's waiting for me to look away, the sneaky bastard).

Any clues what it could be?

you posted in the wrong section, :)

ouch, yeah, sorry. i usually am cautious with that, must be tired...

No one knows?

please ? with strawberry on top? Agrafuese if you see this i believe you solved this problem...