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Date:      Sat, 4 Aug 2007 02:42:15 -0400
From:      Kris Kennaway <kris@obsecurity.org>
To:        Bruno Damour <freebsd.ruomad@free.fr>
Cc:        re@FreeBSD.org, current@FreeBSD.org, Kris Kennaway <kris@obsecurity.org>
Subject:   Re: reboot hanging
Message-ID:  <20070804064215.GA2787@rot26.obsecurity.org>
In-Reply-To: <46B40D98.4020304@free.fr>
References:  <20070803210113.GA68807@rot26.obsecurity.org> <46B40D98.4020304@free.fr>

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On Sat, Aug 04, 2007 at 07:24:40AM +0200, Bruno Damour wrote:
> I see this also quite frequently (and have seen it for a period of time, 
> running current amd64 updated almost each week).
> each time i have to hard reboot, and restart in single mode to fsck my 
> small boot partition (the rest is zfs, no problem there).
> My proc is a core2 6400. I'm using :
> 
> nooptions     SCHED_4BSD        # 4BSD scheduler
> options     SCHED_ULE        # Newer scheduler
> options     PREEMPTION        # Enable kernel thread preemption
> 
> But I was using SCHED_4BSD before and it did happen as well.
> 
> Sorry no debugging available.

It doesn't sound like the same problem.  In my case buffers are
synched so the filesystems are clean.

Kris


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