16I and 16J kernels run stable for me. They're custom, no DEBUG/DIAGNOSTIC,
no INET6, SOFTDEP, unused fs' and drivers. I'll try to run GENERIC.

Yeah, i'd leave console open in this case;-).

.trap-registers is the first thing: you'll get trap-types and pc'.

	Andrey


On Sat, Nov 09, 2002 at 04:11:18AM -0500, Rafal Boni wrote:
> Since I upgraded my sparc64 box from 1.6E to 1.6I, I've been finding it
> at the 'ok' prompt at random time when I would expect it to be chugging
> along doing something (or even nothing 8-).  It doesn't appear to be
> a panic, or else I'd expect to be in ddb (which this kernel has compiled
> in), and the logs haven't been forthcoming with any interesting events
> around the time of the halt.
> 
> This box is a 360Mhz U5; before 1.6I it had no problems keeping several-
> month uptimes (which were usually interrupted by my moving the machine 
> or rebooting with new kernel).  Notable recent changes to the machine and
> kernel config have been the addition of the sab driver and using sabtty as
> console, but I'm not 100% sure if that predated the recent instability.
> 
> 
> Anyone else seeing this?  Is there a way to try and track this down once
> the system is at the PROM?  Is my hardware simply crapping out?  I just
> had this happen while I was connected and was reading some mail;  I had
> swapped to doing something on the laptop and when I pulled up the ssh
> window to the U5 again, it was dead... telnet'ing to the term server got
> me a 'ok' without any interesting info.
> 
> I'm curious if there's anything strange or informative that appears on
> the console when this happens, so I may try and leave a logged telnet,
> etc. session connected to the term server this box is one for a while...
> I don't have a 1.6E kernel laying around anymore, but maybe I'll try
> going back to the 1.6G /netbsd.old if I can't get any useful info from
> the console before the halt or the PROM after.
> 
> Thanks,
> --rafal
> 
> ----
> Rafal Boni                                                     rafal@attbi.com
>   We are all worms.  But I do believe I am a glowworm.  -- Winston Churchill
>