From: Mikael Pettersson <mikpe@csd.uu.se>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Kernel Mailing List <linux-kernel@vger.kernel.org>,
Jens Axboe <axboe@suse.de>
Subject: Re: One more bio for for floppy users in 2.5.33..
Date: Tue, 3 Sep 2002 22:57:32 +0200 [thread overview]
Message-ID: <15733.8764.96293.719729@harpo.it.uu.se> (raw)
In-Reply-To: <Pine.LNX.4.44.0209031054290.1356-100000@home.transmeta.com>
Linus Torvalds writes:
>
> Ok,
> I found another major bio-related bug that definitely explains why the
> floppy driver generated corruption - any partial request completion would
> be totally messed up by the BIO layer (not the floppy driver).
>
> Any other block device driver that did partial request completion might
> also be impacted.
>
> I'm still looking at the floppy driver itself - some of the request
> completion code is so messed up as to be unreadable, and some of that may
> actually be due to trying to work around the bio problem (unsuccessfully,
> I may add). So this may not actually fix things for you yet, simply
> because the floppy driver itself still does some strange things.
Confirmed. 2.5.33 + your two patches still corrupts data on a simple
dd to then from /dev/fd0 test.
/Mikael
next prev parent reply other threads:[~2002-09-03 20:53 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-03 18:00 Linus Torvalds
2002-09-03 18:02 ` Jens Axboe
2002-09-04 7:25 ` Suparna Bhattacharya
2002-09-04 16:36 ` Linus Torvalds
2002-09-05 7:03 ` Suparna Bhattacharya
2002-09-05 15:06 ` Linus Torvalds
2002-09-05 16:26 ` Andrew Morton
2002-09-05 17:05 ` Linus Torvalds
2002-09-05 18:00 ` Andrew Morton
2002-09-05 18:28 ` Linus Torvalds
2002-09-05 18:31 ` Jens Axboe
2002-09-05 18:38 ` Linus Torvalds
2002-09-05 18:38 ` Jens Axboe
2002-09-05 19:47 ` Peter Osterlund
2002-09-05 18:42 ` Andrew Morton
2002-09-05 19:03 ` Linus Torvalds
2002-09-05 19:35 ` Andrew Morton
2002-09-05 20:27 ` Linus Torvalds
2002-09-05 20:38 ` Linus Torvalds
2002-09-06 6:47 ` Helge Hafting
2002-09-06 6:59 ` Linus Torvalds
2002-09-09 14:08 ` Bob_Tracy
2002-09-05 20:48 ` Linus Torvalds
2002-09-10 7:25 ` Rogier Wolff
2002-09-10 8:01 ` Andrew Morton
2002-09-07 11:18 ` Daniel Phillips
2002-09-03 20:57 ` Mikael Pettersson [this message]
2002-09-03 21:52 ` Linus Torvalds
2002-09-03 22:33 ` Mikael Pettersson
2002-09-07 14:43 linux
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