Re: netbsd-current kernel crash

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sun, Jun 15, 2008 at 03:09:23AM +0200, 
6bone%6bone.informatik.uni-leipzig.de@localhost wrote:
> hello,
> 
> my kernel crashed with:
> 
> fatal page fault in supervisor mode
> trap type 6 code 0 rip 0 cs 8 rflags 10246 cr2  0 cpl 6 rsp 
> ffff800069a29b90
> kernel: page fault trap, code=0
> Stopped in pid 0.3 (system) at  0:      invalid address
> db{0}> trace
> fatal page fault in supervisor mode
> trap type 6 code 0 rip ffffffff804cce7c cs 8 rflags 10246 cr2  0 cpl 8 rsp 
> ffff0
> kernel: page fault trap, code=0
> Faulted in DDB; continuing...
> 
> 
> Any Ideas what could be the problem?

It's calling a NULL function pointer. Unfortunably in this case ddb
can't provide a stack trace (I don't know why). 
Examining the stack starting at %rsp may give you the address of the
calling function.

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           
Manuel.Bouyer%lip6.fr@localhost
     NetBSD: 26 ans d'experience feront toujours la difference
--