Date: Wed, 15 Dec 2010 20:39:33 -0800 From: Garrett Cooper <gcooper@FreeBSD.org> To: obrien@freebsd.org, Garrett Cooper <gcooper@freebsd.org>, freebsd-current@freebsd.org Subject: Re: [PANIC] ffs_alloccg: map corrupted Message-ID: <AANLkTineQ2VsRGeXE8RPVqZ76HKyXipc3wOLBxN=QkMX@mail.gmail.com> In-Reply-To: <20101216032944.GD32146@dragon.NUXI.org> References: <20101202224329.GA5033@dragon.NUXI.org> <AANLkTimgM6pENa2g8mwsTfLOAxPRNUTQ_Ox8LcDk1QHq@mail.gmail.com> <20101216032944.GD32146@dragon.NUXI.org>
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On Wed, Dec 15, 2010 at 7:29 PM, David O'Brien <obrien@freebsd.org> wrote:
> On Thu, Dec 02, 2010 at 03:31:41PM -0800, Garrett Cooper wrote:
>> On Thu, Dec 2, 2010 at 2:43 PM, David O'Brien <obrien@freebsd.org> wrote=
:
>> > Thoughts?
>> >
>> > FreeBSD 9.0-CURRENT #654 r215604M: Sat Nov 20 19:51:27 PST 2010
>> > =A0 =A0rootk@dragon:/sys/i386/compile/DRAGON i386
>> > [..]
>> > start =3D 0, len =3D 3359, fs =3D /files
>> > panic: ffs_alloccg: map corrupted
> [..]
>> > ffs_balloc_ufs2(ce55e660,38000,0,4000,ce77b300,...) at 0xc0755629 =3D =
ffs_balloc_ufs2+0x1949
> [..]
>> > panic: bufwrite: buffer is not busy???
>>
>> =A0 =A0 UFS? UFS2? SU? SU+J? Got more details :)?
>
> UFS2, SU+J, ahd(4) HBA
Hmmm.. interesting. Was a cylinder block corrupted by an fsck and
the map not updated (properly) to reflect the change? I haven't seen
this particular issue before, but then again I stick to mfi(4)
controllers for RAIDs and standalone ahci(4) drives.
Thanks,
-Garrett
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