linux-kernel - RE: 2.6.16.16 Lost CD-ROM Drive

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Date:	Thu, 1 Feb 2007 07:48:10 -0800
From:	"Brian D. McGrew" <brian@...ionpro.com>
To:	<jeremy@...erorlinux.com>
Cc:	<linux-precision@...l.com>, <linux-kernel@...r.kernel.org>
Subject: RE: 2.6.16.16 Lost CD-ROM Drive

-----Original Message-----
From: Jeremy L. Moles [mailto:jeremy@...erorlinux.com] 
Sent: Thursday, February 01, 2007 7:05 AM
To: Brian D. McGrew
Cc: linux-precision@...l.com; linux-kernel@...r.kernel.org
Subject: Re: 2.6.16.16 Lost CD-ROM Drive

On Thu, 2007-02-01 at 07:00 -0800, Brian D. McGrew wrote:
> Hey guys-
> 
> Have a Precision workstation with SATA hard drive and SATA CD-ROM.  If
I
> load Fedora Core 5 with a stock 2.6.15 kernel, life is good.
> 
> However, I need to use 2.6.16.16.  Once I build and install this
kernel,
> my CD-ROM drive is gone.  There is a log entry in dmesg that says
"ATAPI
> not support.  Ignoring."  
> 
> If I go into the BIOS and set the SATA operations to Legacy/Compatible
> then everything is fine.  I've rebuilt this kernel about 100 times
> trying everything I can think of.
> 
> When I have SATA set to legacy, the HDD and CD are detected as
/dev/hd*
> and when they're set to SATA Normal operation the HDD is detected as
> /dev/sda.  If I boot my old 2.6.15 (stock install) kernel then the CD
is
> found as /dev/sdc.  
> 
> I've even tried taking the installation default configuration file for
> the 2.6.15 kernel and just wholesale copying it into my 2.6.16.16
kernel
> and build that way but still no go.
> 
> What am I missing to get the 2.6.16.16 kernel to see a SATA CD-ROM
drive
> in normal, non-legacy move?

Try booting 2.6.16 with the following options:

libata.atapi_enabled=1 ide0=noprobe ide1=noprobe
-----

Still no go.  /dev/sda* is created for the hard drive but no CD-ROM and
the same ATAPI error in dmesg.

-brian
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