Date: Sun, 3 Mar 2002 10:00:15 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Kris Kennaway <kris@obsecurity.org> Cc: Ian Dowse <iedowse@maths.tcd.ie>, Kirk McKusick <mckusick@mckusick.com>, Finch <dot@dotat.at>, fs@FreeBSD.ORG, fanf@chiark.greenend.org.uk Subject: Re: UFS panic on -stable Message-ID: <200203031800.g23I0Fw62492@apollo.backplane.com> References: <20020302135914.A33051@xor.obsecurity.org> <200203022233.aa08277@salmon.maths.tcd.ie> <20020302144532.A33433@xor.obsecurity.org> <200203030528.g235Stc59042@apollo.backplane.com> <20020302221434.A37529@xor.obsecurity.org>
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:On Sat, Mar 02, 2002 at 09:28:55PM -0800, Matthew Dillon wrote:
:
:> The date range needs to be narrowed down on a single machine if possible.
:> A lot of changes were made between January 26th and February 10th:
:
:Yes, I'm currently running with vfs_subr.c:1.249.2.24 to determine
:whether it could be that revision or 1.249.2.25 as Ian suggested it
:could be. So far no panics, although one of the alphas just panicked
:with the Jan 26 kernel an hour after I rebooted it, when it was doing
:nothing.
:
:panic: ffs_clusteralloc: map mismatch
:
:Unfortunately, I don't have the debug kernel any more. I haven't seen
:this one on the i386es yet.
:
:Kris
I would not recommend tring to do backouts of individual files. Instead
I highly recommend using cvs update -D <date> to update the entire
kernel tree to as-of a particular date and narrow the search down that
way.
-Matt
Matthew Dillon
<dillon@backplane.com>
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