From: Andrew Morton <akpm@digeo.com>
To: David Mansfield <lkml@dm.cobite.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [BUG] raw over raid5: BUG at drivers/block/ll_rw_blk.c:1967
Date: Mon, 14 Oct 2002 13:49:29 -0700 [thread overview]
Message-ID: <3DAB2DD9.B78639C5@digeo.com> (raw)
In-Reply-To: Pine.LNX.4.44.0210141627360.2876-100000@admin
David Mansfield wrote:
>
> Hi everyone,
>
> I haven't been able to run raw over raid5 since 2.5.30 or so, but every
> time I'm about to report it, a new kernel comes out and the problem
> changes completely :-( Now I'm finally going to start getting out the info
> it the hopes someone can fix it. The oops was triggered by attempting to
> read from /dev/raw/raw1 (bound to /dev/md0) using dd. System info
> follows oops:
>
> ------------[ cut here ]------------
> kernel BUG at drivers/block/ll_rw_blk.c:1967!
I don't think you told us the kernel version?
There have been recent fixes wrt sizing of the BIOs which the
direct-io layer sends down. So please make sure that you're
testing Linus's current -bk, or 2.5.42 plus
http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.42/2.5.42-mm2/broken-out/dio-bio-add-fix-1.patch
Either that, or raid5 is bust ;)
next prev parent reply other threads:[~2002-10-14 20:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-14 20:36 [BUG] raw over raid5: BUG at drivers/block/ll_rw_blk.c:1967 David Mansfield
2002-10-14 20:49 ` Andrew Morton [this message]
2002-10-14 21:57 ` David Mansfield
2002-10-14 22:18 ` David Mansfield
2002-10-15 6:41 ` Neil Brown
2002-11-05 23:43 ` Neil Brown
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