Date: Tue, 19 Feb 2008 17:51:11 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Pieter de Goeje <pieter@degoeje.nl> Cc: freebsd-current@freebsd.org, Miroslav Lachman <000.fbsd@quip.cz> Subject: Re: panic: ffs_blkfree: freeing free block (7.0-RC1) Message-ID: <20080219155111.GE57756@deviant.kiev.zoral.com.ua> In-Reply-To: <200802191636.36444.pieter@degoeje.nl> References: <47BAACD7.5050303@quip.cz> <200802191353.00235.pieter@degoeje.nl> <47BADB0C.4020000@quip.cz> <200802191636.36444.pieter@degoeje.nl>
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On Tue, Feb 19, 2008 at 04:36:36PM +0100, Pieter de Goeje wrote:
> On Tuesday 19 February 2008, Miroslav Lachman wrote:
> > Pieter de Goeje wrote:
> > > What revision of sys/vm/vm_object.c do you have?
> >
> > __FBSDID("$FreeBSD: src/sys/vm/vm_object.c,v 1.385.2.1 2007/10/19
> > 05:48:45 alc Exp $");
> >
>=20
> Hmm that's odd, some time ago I tracked this issue down to this commit, b=
ut=20
> apparently there's still something wrong or the issue was fixed in anothe=
r=20
> commit in the same timeframe.
The issue can appear for a lot of different reasons. The panic is mostly
a post-check for something already gone wrong.
I would first check the filesystem with fsck and somehow verified
consistency of the mirror.
Another reason for the panic was fixed in rev. 1.50.10.1 of the
sys/ufs/ffs/ffs_balloc.c. But the conditions that caused panic fixed
in this rev. usually appear when filesystem becomes full.
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