From: Nick Craig-Wood <ncw1@axis.demon.co.uk>
To: Jeff Dike <jdike@addtoit.com>
Cc: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] uml-patch-2.4.23-2
Date: Wed, 21 Jan 2004 07:41:27 +0000 [thread overview]
Message-ID: <20040121074127.GA26168@axis.demon.co.uk> (raw)
In-Reply-To: <200401202040.i0KKeCDG004061@ccure.user-mode-linux.org>
On Tue, Jan 20, 2004 at 03:40:11PM -0500, Jeff Dike wrote:
> ncw1@axis.demon.co.uk said:
> > I diffed the hex dump to see what sort of corruptions they were.
> > Nothing obvious springs to mind, other than that the corruptions start
> > on a page boundary, but don't extend for a whole page. Maybe the page
> > is being re-used before writeout has finished?
>
> Interesting, but I'm not sure what it means.
fxs tells you what operation caused the problem. Its output is a
little hard to decode though!
> I had a 100% reproducable test last night, thanks to Chris Aker, but
> it became somewhat iffy today.
fxs has blown up within a minute each time I've tried it with
ubd=mmap. Not always in the same place though!
FWIW I left fxs running on 2.4.23-2 without ubd=mmap and it ran fine
all night.
> BTW, what filesystem is this? I'm seeing corruption with ext3, but nothing
> with ext2.
Its ext2
/dev/root / ext2 rw,noatime,nodiratime 0 0
--
Nick Craig-Wood
ncw1@axis.demon.co.uk
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prev parent reply other threads:[~2004-01-21 7:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-17 15:47 [uml-devel] uml-patch-2.4.23-2 Jeff Dike
2004-01-20 9:20 ` Nick Craig-Wood
2004-01-20 15:00 ` Jeff Dike
2004-01-20 17:35 ` Nick Craig-Wood
2004-01-20 20:40 ` Jeff Dike
2004-01-21 7:41 ` Nick Craig-Wood [this message]
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