Juergen Hannken-Illjes wrote:
> HW:	Sun Ultra30
> 	SUNW,UltraSPARC-II @ 295.995 MHz, UPA id 0
>
> Using a todays kernel and trying to run an `installworld' I get (always)
> during phase `obsolete fix':
>
> 	SIR Reset
>
> 	Watchdog Reset
> 	Externally Initiated Reset
>
> 	ok
>
> Any idea how to debug this problem?
>
>   
A data point - options DEBUG and/or options LOCKDEBUG makes the
SIR problem go away.
I seem to hit a sir instruction even before multiuser. I'm trying to 
find out
the offending instruction address, but the system tends to lock up 
pretty hard.