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Message-ID: <45F696EC.6050601@gmail.com>
Date: Tue, 13 Mar 2007 21:19:56 +0900
From: Tejun Heo <htejun@gmail.com>
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To: l.genoni@oltrelinux.com
CC: alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org
Subject: Re: IDE disk runs just in DMA/33 with 2.6.20.2 on nVidia CK804 controller
References: <Pine.LNX.4.64.0703131125270.24498@Phoenix.oltrelinux.com>
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l.genoni@oltrelinux.com wrote:
> Hi,
> I reported this also for 2.6.20 kernel.
> new libata with controller nVidia CK804 initializes the disk in DMA/33,
> with with 2.6.19.5 and previous the disk is correctly inizialized in
> DMA/100.
> Tha cable is OK, and with older kernels the disks runs without troubles.
> 
> The sistem has two sata disks on nvidia CK804 controllers, and then a
> disk as primary master, and a dvd writer (DMA/33) as secondary master)

Cable detection on CK804 is basically broken at the moment.  It should
be fixed with Alan's acpi cable detection magic soon (maybe 2.6.21).

Thanks.

-- 
tejun