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Date: Sun, 28 Jan 2007 22:48:34 -0800
From: Andrew Morton <akpm@osdl.org>
To: Mike Galbraith <efault@gmx.de>
Subject: Re: 2.6.20-rc6: known unfixed regressions (v2) (part 2)
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Cc: nickpiggin@yahoo.com.au, linux-ide@vger.kernel.org, petero2@telia.com,
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On Mon, 29 Jan 2007 07:26:03 +0100
Mike Galbraith <efault@gmx.de> wrote:

> FWIW, I just tried it with 2.6.20-rc6, and can confirm.  Once nero is
> run, the kernel never gives up retrying whatever command failed, so I
> get...
> 
> [ 4362.972995] hdd: status error: status=0x58 { DriveReady SeekComplete
> DataRequest }
> [ 4362.981475] ide: failed opcode was: unknown
> [ 4362.986183] hdd: drive not ready for command
> 
> endlessly.

Do you have time to bisect it?