Re: Freeze

On Mon, Nov 15, 2004 at 03:46:15PM -0500, John Baldwin wrote:
> On Friday 12 November 2004 07:33 am, Peter Holm wrote:
> > GENERIC HEAD from Nov 11 08:05 UTC
> >
> > The following stack traces etc. was done before my first
> > cup of coffee, so it's not so informative as it could have been :-(
> >
> > The test box appeared to have been frozen for more than 6 hours,
> > but was pingable.
> >
> > http://www.holm.cc/stress/log/cons86.html
> 
> A weak guess is that you have the system in some sort of livelock due to 
> fork()?  Have you tried running with 'debug.mpsafevm=1' set from the loader?
> 
> -- 
> John Baldwin <jhb_at_FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
> "Power Users Use the Power to Serve"  =  http://www.FreeBSD.org

OK, I've got some more info:

http://www.holm.cc/stress/log/cons88.html

Looks like a spin in uma_zone_slab() when slab_zalloc() fails?

-- 
Peter Holm