In message <199810031618.MAA04266@kolvir.arlington.ma.us>  John Kohl wrote:
> >>>>> "Paul" == Paul Goyette <paul@whooppee.com> writes:
> 
> Paul> IIRC, cpu_reboot() will only reboot if the system has been fully
> Paul> initialized.  Otherwise, it just halts.  
> 
> Nice to know, but not the problem here--the system comes up fully, I log
> in, start some compiles, and eventually something locks the filesystem,
> locks propagate to the root directory, then everything comes to a quiet
> halt.
> 
> At this stage I want to force a crashdump.  I don't think I can get
> /sbin/reboot -d to work (file system is hung up)....

Try a boot 0x104 . If your filesystem is dead syncing may cause the
trouble.

BTW dbb has a reboot command.
(reboot [flags])

Stefan

> -- 
> ==John Kohl <jtk@kolvir.arlington.ma.us>, <john_kohl@alum.mit.edu>
> Write a poem, share your heart!
> Home page: <URL:http://people.ne.mediaone.net/jtk/>
> Note new home zip code as of July 1, 1998: 02476
> 

--
Stefan Grefen                                Tandem Computers Europe Inc.
grefen@hprc.tandem.com                       High Performance Research Center
 --- Hacking's just another word for nothing left to kludge. ---