linux-kernel - Re: Add "SAMSUNG CD-ROM SC-140" to ide-dma blacklist

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Date:	Tue, 3 Oct 2006 13:24:04 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	"Steven J. Hathaway" <shathawa@....net>
Cc:	andre@...ux-ide.org, linux-kernel@...r.kernel.org
Subject: Re: Add "SAMSUNG CD-ROM SC-140" to ide-dma blacklist

On Sun, Oct 01 2006, Steven J. Hathaway wrote:
> MS-Windows sees the CD-ROM ok.
> Linux V 2.4.21 and earlier see the CD-ROM ok.
> Linux V 2.4.24 and later fail to find a CD-ROM file system.
> The major ide code changed since 2.4.21.  I have since
> required the following patch in order for the kernel to
> see the CDROM.   Enclosed is a context diff patch file.
> 
> The problem appeared when I was trying to install a Slackware
> distribution.
> The bootstrap would load the kernel and initrd structure, but the
> kernel,
> once gaining control, would register file system errors when accessing
> the disk drive.  Seeing other related SAMSUNG CD-ROM drivers in the
> ide-dma.c blacklist, and adding my SAMSUNG CD-ROM device to the
> same blacklist, and rebuilding a kernel, the problem has been overcome.

Looks reasonable, applied.

-- 
Jens Axboe

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