Subject: Re: NetBSD-current hang on boot?
To: Allen Briggs <briggs@ninthwonder.com>
From: Bill Sommerfeld <sommerfeld@orchard.arlington.ma.us>
List: port-i386
Date: 05/29/1999 11:14:36
> > How hung is it?  Can you break into DDB?
> 
> Uh...  Sorry.  Yes.  I can break into DDB.  A stack trace shows:
> 
> [ DDB / wskbd / interrupt stuff ]
> _idle(0,80000000,fffff000,0,f031cf84) at _idle + 0x12
> bpendtsleep(f02d3b88,4,f0212722,0)
> _uvm_scheduler(f031a010,31a00,321000,90,f02a10ac) at _uvm_scheduler + 0x1b
> _main(0,0,0,0,0) at _main + 0x552
> 
> A ps from DDB shows:
> 
> 4	...	init
> 3	...	reaper		reaper
> 2	...	pagedaemon	daemon_
> 1	...	init		wait
> 0	...	swapper 	schedul
> 
> This is transcribed from hand.  Although I tried to be accurate, I might
> have missed something--if any other info would be useful, let me know.
> I'd like to get a serial console hooked up, but I'm having trouble
> getting boot code for my terminal server (DECServer 300), which has been
> allocated for serving consoles...
> 
> Does this help any?

Getting tracebacks from the other processes would be useful.

t/t 0t<pid>
    
Processes 1 and 4 would likely be most interesting.

Looks like it's "stuck" in the middle of init forking something.
(Jason's been making a bunch of changes to VM code.. I'd suspect that
first..)

					- Bill