Date: Thu, 21 Feb 2008 09:34:51 +1300 From: Jonathan Chen <jonc@chen.org.nz> To: Dominic Fandrey <kamikaze@bsdforen.de> Cc: Robert Huff <roberthuff@rcn.com>, questions@freebsd.org, Steven Friedrich <FreeBSD@insightbb.com> Subject: Re: Shutdown anomaly Message-ID: <20080220203451.GA99077@osiris.chen.org.nz> In-Reply-To: <47BC7A3C.9070002@bsdforen.de> References: <200802161142.53044.FreeBSD@insightbb.com> <20080216215521.GB12555@osiris.chen.org.nz> <18359.26373.750798.755610@jerusalem.litteratus.org> <47BC7A3C.9070002@bsdforen.de>
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On Wed, Feb 20, 2008 at 08:06:36PM +0100, Dominic Fandrey wrote:
> Robert Huff wrote:
> >Jonathan Chen writes:
> >
> >> > I am seeing the following messages, which appear to indicate a memory
> >> > overwrite:
> >> > Waiting (max 60 seconds) for system processs 'vnlru' to stop...done
> >> > Waiting (max 60 seconds) for system processs 'bufdaemon' to stop...done
> >> > a
> >> > iStyinncgi n(gm adxi s6k0s ,s evcnoonddess) rfeomra isnyisntge.m.
> >> .pr0o > cess 'syncer' to stop...0 0 done
> >> > All buffers synced.
> >> > Uptime: 8m9s
> >>
> >> It's an interleaved buffer messages on SMP systems. The problem is
> >> known, but I haven't heard of a proposed solution yet.
> >
> > There is no fix.
> > The workaround is to increase the size of the kernel printf()
> >buffer. I don't remember how you do that ... but this is not a new
> >issue - chech the archives for details.
>
> I would like to propose a fix. Care to test it?
>
> Just apply this patch and add the following line to your /etc/rc.conf file.
> shutdown_clean_enable="YES"
I'm not too keen on the fix, as it only pushes the problem under the
carpet just for the sake of nice output on shutdown. There's still
tons of mangled output in the logs (esp. if you run a logging
firewall).
Here's hoping for a kernel-fix sometime in the future.
Cheers.
--
Jonathan Chen <jonc@chen.org.nz>
----------------------------------------------------------------------
"Beer. Now there's a temporary solution."
- Homer Simpson
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