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: <Pine.BSF.4.21.0202081734261.4147-100000@InterJet.elischer.org> In-Reply-To: <20020209012620H.tegge@cvsup.no.freebsd.org>
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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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