On Sun, 18 Jun 2000, David Talkington wrote:
>
> G'day.
>
> I would like to pass along a bit of experience, in case it helps
> someone else, since my perusals of the archives suggest that a lot of
> folks have fought with this issue.
>
> I have a Thinkpad with an ATAPI CDROM, and use a HP external parport
> CD writer. My kernel is a custom job, and contains all the requisite
> SCSI support. Getting the parport writer to work wasn't too tough,
> but I had a frustrating time trying to get the built-in CDROM drive
> recognized by cdrecord so I can duplicate CDs.
>
> I've read the volumes of posts on this subject, and have added all the
> potentially helpful stuff to /etc/conf.modules:
>
> alias scsi_hostadaptor ide-scsi
> alias hdc ide-scsi
> alias sr0 ide-scsi
> options ide-cd ignore=hdc
> pre-install ide-scsi
>
> and to /etc/lilo.conf:
>
> append="hdc=ide-scsi"
>
> and doing "modprobe ide-scsi" from rc.local.
>
> Nothing worked; the CDROM drive refused to use the ide-scsi module,
> even though all the right modules were loading.
>
> I finally resorted to recompiling the kernel, which had provided
> modular support for ATAPI CDROMs, to completely eliminate that
> support. It was my hope that such a move would force the CD-ROM drive
> to use the ide-scsi module. With no further modifications to my
> config files, that did the trick.
>
> So ... to anyone still frustrated by this problem, if you're
> comfortable rebuilding your kernel, you might try completely disabling
> support for ATAPI CDROMs as a last resort. Just be careful to leave
> in static support for whatever device you're booting from (that was
> ugly =).
>
> Hope this saves someone some head-banging.
>
> -d
>
I am realy supprised that you had to use the IDE-SCSI emulation to access
the ATAPI CDROM. I don't have a thinkpad, but on the desktop system I use
a SCSI writter, and an ATAPI CDROM, and I have do problems doing things
like doing things like:
cdrecord -v dev=/dev/sg0 speed=4 -isosize /dev/hdc
CDrecord reads from the IDE CD ROM just fine for copying CD's. The only
thing I had to do was set the permisions on /dev/sg0 so I could access it
as a normal user. I set up a group that can use the writter, and gave the
group write access.
Mikkel
--
Do not meddle in the affairs of dragons,
for you are crunchy and taste good with ketchup.
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