Re: Need help with panic

[Matt Thomas <matt%3am-software.com@localhost>]

On Feb 26, 2012, at 2:56 PM, Martin Husemann wrote:

> I finally manage to mostly setup my macppc machine - but with a custom kernel
> (needed for now at least to get root and dump device correct, I have a
> macox setup on the only disk) I get this panic:
> 
> panic: call to null-ptr from 0x32b66c
> Stopped in pid 0.5 (system) at  netbsd:cpu_Debugger+0x10:       lwz     r0, 
> 0x14
> (r1)                                                                          
>  
> 0x1000fe30: at vpanic+0x240
> 0x1000fe60: at panic+0x4c  
> 0x1000fea0: at trap0+0x18
> 0x1000feb0: at callout_softclock+0x1b0
> 0x1000fee0: at softint_dispatch+0xa4  
> 0x1000ff20: at softint_fast_dispatch+0xdc
> saved LR(0xbd797f6b) is invalid.         
> 
> now "addr2line -a 0x32b66c -e netbsd.gdb" tells me:
> 
> 0x0032b66c
> kern_timeout.c:0
> 
> but I can't identify the 0x1000.... addresses listed in the ddb backtrace, is
> there some constant offset I need to apply?

trap0 means someone jumped to 0.