linux-kernel - Re: 2.6.23-rc7-mm1 AHCI ATA errors -- won't boot

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Message-ID: <46F9B3FE.1060905@garzik.org>
Date:	Tue, 25 Sep 2007 21:21:02 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	"Berck E. Nash" <flyboy@...il.com>
CC:	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: 2.6.23-rc7-mm1 AHCI ATA errors -- won't boot

Berck E. Nash wrote:
> Jeff Garzik wrote:
>> Once the blame has been squared fixed upon me :) you can use git-bisect
>> to locate the precise change that broke your setup.
> 
> Okay, here's the problem:
> 
> 268fe6f9f15551be9abedd44a237392675d529d5 is first bad commit
> commit 268fe6f9f15551be9abedd44a237392675d529d5
> Author: Jeff Garzik <jeff@...zik.org>
> Date:   Fri Sep 21 07:09:36 2007 -0400
> 
>     [libata] SCSI: simple TEST UNIT READY simulation
> 
>     It's trivial to ping the device, and that's a much more sane behavior
>     than no-op.
> 
>     Signed-off-by: Jeff Garzik <jeff@...zik.org>
> 
> :040000 040000 44d34cdad073bd623545b8239aca9a113652c6d0
> df6d21f7ce56a4e796f8f856c1f647b0395ab4df M      drivers

Does the attached patch change behavior at all?  You should be able to 
apply it on top of libata-dev.git#upstream or -mm.

If there are still problems, an updated dmesg (w/ the attached patch) 
and output from enabling ATA_DEBUG (include/linux/libata.h) would be 
very helpful.

Thanks!

	Jeff



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