Re: 2.6.19-rc5 libata PATA ATAPI CDROM SiS 5513 NOT WORKING

["Ioan Ionita" <opslynx@gmail.com>]

On 11/16/06, Alan <alan@lxorguk.ukuu.org.uk> wrote:
> On Thu, 16 Nov 2006 18:22:47 -0500
> "Ioan Ionita" <opslynx@gmail.com> wrote:
>
> > I gave libata a shot. Hardisk works fine. However the CDROM doesn't.
> > It would seem that the CDROM is detected, but the device node is not
> > created.
> >
> > I do have libata.atapi_enabled=1 as a kernel parameter. This is a Vaio
> > laptop, with SiS 5513, PATA only, no SATA ports.
> >
> > Did I miss anything?
>
> From the trace looks like the SCSI CD-ROM Driver is not compiled in
> and/or loaded.

Yes. I'm sorry I missed that. I enabled it, but it still doesn't work.
Some timeouts are occurring when I try to mount the CD-ROM. The CD-ROM
works fine with the old IDE framework. Here's the dmesg errors that
occur with libata and scsi cdrom support:

ata2.00: qc timeout (cmd 0xa0)
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: (BMDMA stat 0x20)
ata2.00: tag 0 cmd 0xa0 Emask 0x5 stat 0x51 err 0x51 (timeout)
ata2: port is slow to respond, please be patient (Status 0xd0)
ata2: port failed to respond (30 secs, Status 0xd0)
ata2: soft resetting port
ata2.00: configured for UDMA/33
ata2: EH complete
ata2.00: qc timeout (cmd 0xa0)
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: (BMDMA stat 0x20)
ata2.00: tag 0 cmd 0xa0 Emask 0x5 stat 0x51 err 0x51 (timeout)
ata2: port is slow to respond, please be patient (Status 0xd0)
ata2: port failed to respond (30 secs, Status 0xd0)
ata2: soft resetting port
ata2.00: configured for UDMA/33
ata2: EH complete
ata2.00: qc timeout (cmd 0xa0)
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: (BMDMA stat 0x20)
ata2.00: tag 0 cmd 0xa0 Emask 0x5 stat 0x51 err 0x51 (timeout)
ata2: port is slow to respond, please be patient (Status 0xd0)
ata2: port failed to respond (30 secs, Status 0xd0)
ata2: soft resetting port
ata2.00: configured for UDMA/33
ata2: EH complete
ata2.00: qc timeout (cmd 0xa0)
ata2.00: limiting speed to UDMA/25
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: (BMDMA stat 0x20)
ata2.00: tag 0 cmd 0xa0 Emask 0x5 stat 0x51 err 0x51 (timeout)