Thanks for your replies!
No, i did not install anything. The latest thing I did was upgrading to 10.5.4 as soon as it was released, and I upgraded iTunes the day 7.7 was released.
I could not find anything in the Console log unfortunately. Some guy I know thinks there might have been RAM...
I have a Macbook with 10.5.4 and got a kernel panic suddenly.
Situation:
My Macbook was off. Yesterday evening I shut it down and everything was well with it, no problems at all. This morning I turned it on, and after the normal grey screen at the startup, I got a kernal panic before Leopard...