linux-kernel - Re: [PATCH] ahci.c: fix ati sb600 sata IRQ_TF

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Date:	Mon, 27 Aug 2007 10:31:58 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Tejun Heo <htejun@...il.com>
CC:	Andreas John <lists@...net-lab.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Conke Hu <conke.hu@...il.com>
Subject: Re: [PATCH] ahci.c: fix ati sb600 sata IRQ_TF_ERR

Tejun Heo wrote:
> Andreas John wrote:
>> 00:00.0 Host bridge [0600]: ATI Technologies Inc Unknown device [1002:7910]
> 
> Okidoki, another ATI host bridge which can't forward MSI write upto the
> cpu.  I'll blacklist it.  Thanks.

Scrap that.  I got confused.  You weren't using MSI.

In the log, you have a detection failure on ata2.00.  What's attached to
the port?

Regarding timeout on /dev/sda: Most disks have a dip switch which forces
the drive to limit itself to 1.5Gbps if you put the dip switch on, is it
any better?

-- 
tejun
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