From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Gleixner <tglx@linutronix.de>
Subject: Re: 2.6.20-rc4-mm1
Date: Sun, 14 Jan 2007 23:31:41 +0100
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To: Jens Axboe <jens.axboe@oracle.com>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org, jgarzik@pobox.com, linux-ide@vger.kernel.org
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On Mon, 2007-01-15 at 09:05 +1100, Jens Axboe wrote:
> raid seems to have severe problems with the plugging change. I'll try
> and find Neil and have a chat with him, hopefully we can work it out.

Some hints:

mount(1899): WRITE block 16424 on md3
call md_write_start
md3_raid1(438): WRITE block 40965504 on sdb6
md3_raid1(438): WRITE block 40965504 on sda6
First Write sector 16424 disks 2

Stuck.

Note, that neither end_buffer_async_write() nor
raid1_end_write_request() are invoked, 

In a previous write invoked by:
fsck.ext3(1896): WRITE block 8552 on sdb1
end_buffer_async_write() is invoked.

sdb1 is not a part of a raid device.

Hope that helps,

	tglx