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

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Message-ID: <99CB33592628174AA5F382517D6FCBD3014ED789@ausx3mpc109.aus.amer.dell.com>
Date:	Thu, 1 Feb 2007 09:11:11 -0600
From:	<Rogelio_Noriega@...l.com>
To:	<jeremy@...erorlinux.com>, <brian@...ionpro.com>
Cc:	<linux-kernel@...r.kernel.org>, <linux-precision@...ts.us.dell.com>
Subject: RE: 2.6.16.16 Lost CD-ROM Drive

I think Jeremy is on the right track what worked for me on a M70 and M90
is adding "hda=noprobe" on the kernel commandline or in grub.

Roger  

-----Original Message-----
From: linux-precision-bounces@...l.com
[mailto:linux-precision-bounces@...l.com] On Behalf Of Jeremy L. Moles
Sent: Thursday, February 01, 2007 9:05 AM
To: Brian D. McGrew
Cc: linux-kernel@...r.kernel.org; linux-precision-Lists
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

> -brian
> 
> Brian D. McGrew        { brian@...ionpro.com ||
> brian@...bledimension.com }
> --
> > Do not read this email while waxing that cat! 
> 
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