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From: Alan Cox <alan@redhat.com>
Message-Id: <200210231149.g9NBn3G29403@devserv.devel.redhat.com>
Subject: Re: Linux 2.5.44-ac1
To: jason_williams@suth.com (Jason Williams)
Date: Wed, 23 Oct 2002 07:49:03 -0400 (EDT)
Cc: alan@redhat.com (Alan Cox),
       linux-kernel@vger.kernel.org (Linux Kernel Mailing List)
In-Reply-To: <1035373185.24550.21.camel@cermanius.suth.com> from "Jason Williams" at Oct 23, 2002 07:39:35 AM
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> code within the ide_iomio_dma function in ide-dma.c The problem shows
> itself if you only enable the secondary channel of your IDE controller. 
> I understand this is a strange set up, but it could happen in a machine
> that boots off of SCSI and uses IDE disks for DATA or a CD Burner. I
> came up with a fix, some extra sanity checks before this line in the
> code:

Yes I saw the report. I've not applied it because I want to know how
the slave came not to have a hwif->mate even though it was bios disabled.
There are other things that really mean we should be assigning the hwif
pointers (eg hot plugging)
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