Re: SATA DVD support

[Jesse Keating]

On Mon, 2005-10-17 at 23:04 -0400, Fedora wrote:
>  What is the status of SATA DVD support (Plextor PX-716SA) in Fedora
> 4? 
The question would be more for the chipset you're going to plug it into.
SATA mostly represents itself as a SCSI device under the 2.6 kernel
tree, so since I seem to recall SCSI cdroms working, I can't think of
too many reasons why a SATA CDROM device wouldn't.  Have you tried this
device and ran into problems?  Is there something that makes you think
it won't work?

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SATA DVD support

[Peter Jones]

On Tue, 2005-10-18 at 10:27 -0700, Jesse Keating wrote:
>  On Mon, 2005-10-17 at 23:04 -0400, Fedora wrote:
>  > What is the status of SATA DVD support (Plextor PX-716SA) in Fedora 4?
>  
>  The question would be more for the chipset you're going to plug it into.
>  SATA mostly represents itself as a SCSI device under the 2.6 kernel
>  tree, so since I seem to recall SCSI cdroms working, I can't think of
>  too many reasons why a SATA CDROM device wouldn't.  Have you tried this
>  device and ran into problems?  Is there something that makes you think
>  it won't work? 
It won't work; support for ATAPI devices in libata is not enabled in the
Fedora kernels, on the advice of the code's author.

Hopefully jgarzik will chime in on this, but I don't think he's on this
list, so I've Cc'd him.
-- 
  Peter

SATA DVD support

[Thorsten Leemhuis]

Am Dienstag, den 18.10.2005, 10:27 -0700 schrieb Jesse Keating:
>  On Mon, 2005-10-17 at 23:04 -0400, Fedora wrote:
>  > What is the status of SATA DVD support (Plextor PX-716SA) in Fedora 4?
>  
>  The question would be more for the chipset you're going to plug it into.
>  SATA mostly represents itself as a SCSI device under the 2.6 kernel
>  tree, so since I seem to recall SCSI cdroms working, I can't think of
>  too many reasons why a SATA CDROM device wouldn't.  Have you tried this
>  device and ran into problems?  Is there something that makes you think
>  it won't work? 
ATAPI-SATA is not yet fully supported in the kernel so SATA-CDROMS won't
work (maybe they do if you have a BIOS that can emulate it). 

There are patches around (see
http://www.ussg.iu.edu/hypermail/linux/kernel/0508.3/1620.html
and read the warning there, too) that add that support but they are not
in the FC4 kernel afaics (for good reason as it seems). A up2date
version of that patch was merged some time ago into 2.6.14-rc. So the
support might show up in FC4 and probably will be in FC5. For details
see

http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=co...
-- 
Thorsten Leemhuis <fedora(a)leemhuis.info&gt;