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: [email protected]
[mailto:[email protected]] On Behalf Of Jeremy L. Moles
Sent: Thursday, February 01, 2007 9:05 AM
To: Brian D. McGrew
Cc: [email protected]; 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 { [email protected] ||
> [email protected] }
> --
> > Do not read this email while waxing that cat!
>
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