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Date:      Sun, 14 Oct 2007 04:08:45 +0200
From:      Pieter de Goeje <pieter@degoeje.nl>
To:        Eric Anderson <anderson@freebsd.org>
Cc:        freebsd-current@freebsd.org, Rolf Witt <fbsd-st@donut.de>
Subject:   Re: panic: ffs_blkfree: freeing free block
Message-ID:  <200710140408.46121.pieter@degoeje.nl>
In-Reply-To: <471170E1.2090205@freebsd.org>
References:  <1191175387.92510.6.camel@shumai.marcuscom.com> <200710131857.46963.pieter@degoeje.nl> <471170E1.2090205@freebsd.org>

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On Sunday 14 October 2007, Eric Anderson wrote:
> Pieter de Goeje wrote:
> > On Saturday 13 October 2007, Rolf Witt wrote:
> >> Backtrace from crash tonight (after portsnap cron):
> >
> > <snip>
> >
> >> # uname -a
> >> FreeBSD peanuts.homenet.local 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE
> >> #121: Thu Oct 11 16:29:05 CEST 2007
> >> rowi@peanuts.homenet.local:/usr/obj/usr/src/sys/PEANUTS  i386
> >>
> >> Sources from Builddate.
> >>
> >> Rowi
> >
> > Eric sent me this patch:
> > http://www.googlebit.com/freebsd/patches/ffs_softdep.c-patch
> > which seems to be working great so far. I am still testing it, but I
> > think it fixed the problem.
> > To apply, cd /usr/src; patch < /path/to/patch and then rebuild the
> > kernel.
> >
> > Cheers,
> > Pieter de Goeje
>
> It doesn't actually 'fix' the problem, but I think it helps identify it.
> I'm not 100% certain if this is the right fix our not, but so far
> feedback has been good when running with this patch.
>
> Can somebody confirm that this patch is ok?
>
> Eric
Can you elaborate on what this patch exactly does / what the problem is?

Pieter



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