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Date: Tue, 16 Jul 2002 10:07:28 -0700 (PDT)
From: Andre Hedrick <andre@linux-ide.org>
To: Kasper Dupont <kasperd@daimi.au.dk>
cc: Alan Cox <alan@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: Linux 2.4.19-rc1-ac5
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The problem is not introduced by the patches, is the the hardware
decoupling the GPIO used for HOST side cable detection.  Worse is they
reused the GPIO for something else.

On Tue, 16 Jul 2002, Kasper Dupont wrote:

> DMA is still broken on the ALI15X3 IDE controller.
> Does anybody know what the problem could be
> ? The
> problem was introduced by this patch:
> 
> http://www.linuxdiskcert.org/ide-2.4.19-p8-ac1.all.convert.10.patch.bz2
> http://www.linuxdiskcert.org/ide-2.4.19-p7.all.convert.10.patch.bz2
> 
> But it is a 700K patch, without knowing a little
> more about what is going on I'd have a hard time
> finding the problem in that patch.
> 
> Symptoms are:
> - DMA does not get enabled at boot.
> - Manually switching on DMA will cause all disk
>   access to hang, the IDE led stays light until
>   IDE is initialized at next boot.
> 
> -- 
> Kasper Dupont -- der bruger for meget tid p? usenet.
> For sending spam use mailto:razrep@daimi.au.dk
> or mailto:mcxumhvenwblvtl@skrammel.yaboo.dk
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Andre Hedrick
LAD Storage Consulting Group

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