From: Andreas Dilger <adilger@turbolabs.com>
To: Anton Altaparmakov <aia21@cam.ac.uk>
Cc: Jens Axboe <axboe@suse.de>,
Linus Torvalds <torvalds@transmeta.com>,
linux-kernel@vger.kernel.org
Subject: Re: 2.5.1-pre2 bio offset by one error in VIA IDE
Date: Wed, 28 Nov 2001 16:55:30 -0700 [thread overview]
Message-ID: <20011128165530.L856@lynx.no> (raw)
In-Reply-To: <Pine.LNX.4.33.0111271701140.1629-100000@penguin.transmeta.com> <15364.3457.368582.994067@gargle.gargle.HOWL> <Pine.LNX.4.33.0111271701140.1629-100000@penguin.transmeta.com> <20011128132000.T23858@suse.de> <5.1.0.14.2.20011128232246.00aea8f0@pop.cus.cam.ac.uk>
In-Reply-To: <5.1.0.14.2.20011128232246.00aea8f0@pop.cus.cam.ac.uk>; from aia21@cam.ac.uk on Wed, Nov 28, 2001 at 11:31:14PM +0000
On Nov 28, 2001 23:31 +0000, Anton Altaparmakov wrote:
> I just booted my Athlon VIA KT133 chipset box with 2.5.1-pre2 only to
> discover it dropped me into single user mode because /dev/hda2 could not be
> mounted. (Rebooting into 2.5.0+viro patch everything is ok, back into
> 2.5.1-pre2 is broken...)
>
> Looking with hexedit /dev/hda2 when booted into 2.5.1-pre2 the first sector
> contains junk, the second sector contains the real data that I see as the
> first sector when booted into 2.5.0+viro fix.
>
> That suggests to me there is an off by one error in the VIA IDE driver in
> the 2.5.10pre2 kernel causing the partition to start one sector earlier
> than it should.
It may be an issue with your particular partition table having /dev/hda1
being an odd number of 512-byte sectors long, but Jens' code only doing
math on 1kB blocks. Just speculation of course. What does "fdisk -ul"
tell you under the two kernels?
Cheers, Andreas
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/
next prev parent reply other threads:[~2001-11-28 23:56 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-27 20:44 2.5.1-pre2 does not compile f5ibh
2001-11-27 20:50 ` Linus Torvalds
2001-11-27 22:02 ` Paul Mackerras
2001-11-28 1:04 ` Linus Torvalds
2001-11-28 1:34 ` Block I/O Enchancements, 2.5.1-pre2 Jeff V. Merkey
2001-11-28 1:45 ` Jeff Garzik
2001-11-28 1:55 ` Jeff V. Merkey
2001-11-28 2:32 ` Jeff Garzik
2001-11-28 3:38 ` Linus Torvalds
2001-11-30 2:19 ` Daniel Phillips
2001-11-30 12:21 ` Hans Reiser
[not found] ` <15367.32910.275973.287742@laputa.namesys.com>
2001-12-01 9:31 ` [reiserfs-dev] " Hans Reiser
2001-11-28 10:17 ` Martin Dalecki
2001-11-28 13:35 ` Jens Axboe
2001-11-28 17:29 ` Jeff Merkey
2001-11-28 6:58 ` 2.5.1-pre2 does not compile Jens Axboe
2001-11-28 12:20 ` bio write-up (was: Re: 2.5.1-pre2 does not compile) Jens Axboe
2001-11-28 23:31 ` 2.5.1-pre2 bio offset by one error in VIA IDE Anton Altaparmakov
2001-11-28 23:55 ` Andreas Dilger [this message]
2001-11-29 1:07 ` Anton Altaparmakov
2001-11-30 1:53 ` 2.5.1-pre2 does not compile Daniel Phillips
2001-11-27 22:09 ` Christoph Hellwig
2001-11-27 22:22 ` onboard ethernet/sound on Soyo SY-K7V? Dax Kelson
2001-11-27 22:47 ` François Cami
2001-11-27 22:57 ` Jeff Garzik
2001-11-27 22:29 ` 2.5.1-pre2 does not compile Robert Love
2001-11-28 0:29 ` Linus Torvalds
2001-11-28 12:55 ` Christoph Hellwig
2001-11-28 16:26 ` Andreas Dilger
2001-11-28 16:42 ` Christoph Hellwig
2001-11-28 16:39 ` Martin Dalecki
2001-11-28 17:27 ` Andreas Dilger
2001-11-28 0:40 ` Andre Hedrick
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