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From: Brad Campbell <brad@wasp.net.au>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: RAID-6: help wanted
Date: Sun, 24 Oct 2004 09:26:17 +0400	[thread overview]
Message-ID: <417B3CF9.7090107@wasp.net.au> (raw)
In-Reply-To: <cleqh6$ps4$1@terminus.zytor.com>

H. Peter Anvin wrote:
> Okay, it's well overdue to do this...
> 
> There is currently a data-corruption bug in the RAID-6 md layer
> (raid6main.c).  I have so far not been successful in locating it,
> although it is easily reproducible, thanks to a set of scripts by Jim
> Paris.  I suspect it is a race condition between raid6d and the rest
> of the kernel.
> 
> The problem is that I already have way too many projects in flight,
> and I *really* would like to focus the time I have on getting
> klibc/early userspace integrated.  Thus, I don't expect to have any
> time at chasing the RAID-6 corruption bug any time soon.
> 
> What can be ruled out is errors in the RAID-6 algorithm codes,
> however.  Those are easily testable in isolation and have a clean bill
> of health.

Great, can we get a copy of the scripts to try and assist?

Brad

  reply	other threads:[~2004-10-24  5:26 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-23 23:46 RAID-6: help wanted H. Peter Anvin
2004-10-24  5:26 ` Brad Campbell [this message]
2004-10-24  6:46   ` Jim Paris
     [not found]   ` <417B546C.3050706@zytor.com>
2004-10-24  7:09     ` H. Peter Anvin
2004-10-24  7:17       ` H. Peter Anvin
2004-10-24  7:18       ` Brad Campbell
2004-10-25  5:41 ` Neil Brown
2004-10-25  6:20   ` Jim Paris
2004-10-25  6:24     ` Neil Brown
2004-10-25  6:33       ` Jim Paris
2004-10-25 14:23       ` H. Peter Anvin
2004-10-27  3:38     ` Neil Brown
2004-10-27  5:23       ` H. Peter Anvin
2004-10-27  6:00         ` Jim Paris
2004-10-27  6:03           ` H. Peter Anvin
2004-10-28  1:17           ` H. Peter Anvin
2004-10-28 16:00             ` Jim Paris
2004-10-28 17:48               ` H. Peter Anvin
2004-10-28 17:49               ` H. Peter Anvin
2004-10-29  0:43                 ` Neil Brown
2004-10-29 11:48                   ` Jim Paris
2004-10-29 12:56                     ` Guy
2004-10-29 18:15                       ` Jim Paris
2004-10-29 19:04                         ` H. Peter Anvin
2004-10-29 19:21                           ` Jim Paris
2004-10-29 19:33                             ` H. Peter Anvin
2004-10-29 20:28                             ` Guy
2004-10-29 20:32                               ` H. Peter Anvin
2004-10-29 21:21                                 ` Guy
2004-10-29 21:33                                   ` H. Peter Anvin
2004-10-29 12:29                   ` Guy
2004-10-27  5:56       ` H. Peter Anvin

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