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SubjectRe: SATA/ATAPI
Tais M. Hansen wrote:
> On Thursday 21 April 2005 19:41, Tais M. Hansen wrote:
>
>>One of my linux boxes has a Plextor DVD-RW drive with a SATA interface. The
>>kernel sees this drive (ata3) but apparently doesn't tie it to a sdx
>>device. The box also have a SATA harddisk, which is working just fine. The
>>relevant dmesg output is pasted below.
>
>
> I've been digging through sr, scsi, sata_via, libata-scsi and libata-core,
> littering the code with printk's.
>
> My lack of knowledge on how the kernel handles devices, is really showing now.
>
> I've been unable to figure out what is supposed to tie sr to the devices
> probed by sata_via. Also, littering sr with printk's gave me the idea that sr
> is not even looking for cdrom devices. It loads, does the basic module __init
> stuff and then silence. Should sr find devices itself or is the kernel
> supposed to inform sr via some callback hook? I could really be barking up
> the wrong tree here, and not even see it.
>
> Enabling SCSI logging and kernel debug didn't really give me anything useful.


Did you turn on ATA_ENABLE_ATAPI in include/linux/libata.h?

Jeff


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