Re: CDROM support for Promise 20269

[John Treubig]

Thanks Randy and Robert.  Your suggestion fixed the problem.


From: "Randy.Dunlap" <rdunlap@xxxxxxxxxxxx>
To: Robert Hancock <hancockr@xxxxxxx>, 
albertcc@xxxxxxxxxx,jtreubig@xxxxxxxxxxx
CC: linux-kernel@xxxxxxxxxxxxxxx, scsi <linux-scsi@xxxxxxxxxxxxxxx>
Subject: Re: CDROM support for Promise 20269
Date: Fri, 3 Mar 2006 15:35:17 -0800

On Fri, 03 Mar 2006 17:25:54 -0600 Robert Hancock wrote:

> John Treubig wrote:
> > I've been working on a problem with Promise 20269 PATA adapter under
> > LibATA that if I attach a CDROM drive, I can not see the drive.  The
> > message log reports that the driver sees the device, but when I'm fully
> > booted, there's no device available.
>
> ..
>
> > [  118.621489] scsi4 : pata_pdc2027x
> > [  118.643926] ata1(1): WARNING: ATAPI is disabled, device ignored.
>
> Sounds like your problem there.. need to enable ATAPI in your
> libata/PATA kernel configuration?

Please don't drop cc's etc.  Just use reply-to-all.

For John:  this means that you need to load libata with this option:
atapi_enabled=1
So if you build it into the kernel image, add this to the boot option:
  libata.atapi_enabled=1
or if you load it as a module, just add:  atapi_enabled=1
or you can edit the source file and change the variable to 1,
but that's the least preferable way IMO.

---
~Randy
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