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Date:      Fri, 8 Feb 2002 17:34:45 -0800 (PST)
From:      Julian Elischer <julian@elischer.org>
To:        Tor.Egge@cvsup.no.freebsd.org
Cc:        gene@nttmcl.com, david@catwhisker.org, current@FreeBSD.ORG
Subject:   Re: Hang on flushing buffers w/today's -CURRENT, SMP system
Message-ID:  <20020212021302.5DE739EF34@okeeffe.bestweb.net>

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Thats it for sure!
committing now..


On Sat, 9 Feb 2002 Tor.Egge@cvsup.no.freebsd.org wrote:

> > hmmmm  so what is the difference between your kernel and mine that works?
> > 
> > just out of curiosity, have you tried a very latest -current? 
> > do you have your own config? how does GENERIC behave?
> > (what kind of disks do you have?)
> 
> It looks like a call to setrunqueue() was incorrectly dropped in 
> the latest version of kern_shutdown.c.
> 
> Index: kern_shutdown.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/kern/kern_shutdown.c,v
> retrieving revision 1.118
> diff -u -r1.118 kern_shutdown.c
> --- kern_shutdown.c	7 Feb 2002 20:58:44 -0000	1.118
> +++ kern_shutdown.c	9 Feb 2002 01:11:18 -0000
> @@ -272,6 +272,7 @@
>  				DROP_GIANT();
>     				for (subiter = 0; subiter < 50 * iter; subiter++) {
>       					mtx_lock_spin(&sched_lock);
> +     					setrunqueue(curthread);
>  					curthread->td_proc->p_stats->p_ru.ru_nvcsw++;
>       					mi_switch(); /* Allow interrupt threads to run */
>       					mtx_unlock_spin(&sched_lock);
> 
> 
> - Tor Egge
> 


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