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From: Thomas Gleixner <tglx@linutronix.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>,
	Andrew Morton <akpm@osdl.org>, Neil Brown <neilb@cse.unsw.edu.au>,
	LKML <linux-kernel@vger.kernel.org>,
	Jens Axboe <jens.axboe@oracle.com>
Subject: Re: 2.6.20-rc4-mm1 md problem
Date: Mon, 15 Jan 2007 09:08:33 +0100	[thread overview]
Message-ID: <1168848513.2941.100.camel@localhost.localdomain> (raw)
In-Reply-To: <20070115071747.GA31267@elte.hu>

On Mon, 2007-01-15 at 08:17 +0100, Ingo Molnar wrote:
> > Debug plan:
> > - revert md-* patches
> > - binary search
> > 
> > Does someone have a better idea?
> 
> Thomas saw something similar yesterday and he the partial results that 
> git.block (between rc2-mm1 and rc4-mm1) breaks certain disk drivers or 
> filesystems drivers. For me it worked fine, so it must be only on some 
> combinations. The changes to ll_rw_block.c look quite extensive.

Yes. Jens Axboe confirmed yesterday that the plug changes broke RAID.

	tglx
 


  reply	other threads:[~2007-01-15  8:02 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-12 13:33 Michal Piotrowski
2007-01-12 15:52 ` Rafael J. Wysocki
2007-01-12 17:40   ` Michal Piotrowski
2007-01-12 17:58     ` Michal Piotrowski
2007-01-14 21:59       ` Jens Axboe
2007-01-15  7:17 ` Ingo Molnar
2007-01-15  8:08   ` Thomas Gleixner [this message]
2007-01-15 18:03     ` [patch-mm] Workaround for RAID breakage Thomas Gleixner
2007-01-15 20:17       ` Michal Piotrowski
2007-01-16  0:41       ` Jens Axboe
2007-01-16  8:27         ` Thomas Gleixner
2007-01-16 10:07           ` Jens Axboe

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