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List:       gentoo-dev
Subject:    [gentoo-dev] ATAPI IDE CD-RW under Gentoo
From:       Denis Shcherbakov <deniss () Princeton ! EDU>
Date:       2002-08-30 13:55:31
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I have one cd drive in my system, which is a SONY IDE CD-RW.  I have a
couple questions:  there seem to be a lot of docs about this on the net,
but there are a lot of differences.

In my kernel, I have IDE-CD compiled in (as Y, not M), and I compiled scsi
emulation as modules, so I have sg, sr_mod, and ide-scsi modules available
to load.  I don't want to recompile the kernel now to de-select ide-cd
support or modularize it, so I am wondering how to beat it.

I notice that my ide-scsi doesn't load at boot, even though I use a kernel
boot parameter of "hdc=ide-scsi".  My sg and sr_mod do load, but without
ide-scsi running "cdrecord -scanbus" doesn't yield anything.  When I
insert the module myself from the terminal (/sbin/insmod ide-scsi), then
cdrecord -scanbus reads "scsibus0: 0,0,0 0) 'SONY blah blah blah'", as it
should.

But, why doesn't my system load scsi emulation automatically, before
ide-cd detects the drive, even with my kernel boot parameter?  What can I
do here?  Redhat users can include "/sbin/insmod ide-scsi" into
/etc/rc.local or something, but I am not sure what is the equivalent of
this in Gentoo.  Where can I stick this?

Also, I do include various aliasing lines in /etc/modules.autoload, such
as "alias scsi_hostadapter ide-scsi" and "alias scd0 sr_mod".

I did uncomment lines appropriate for CD-RW in /etc/devfsd.conf, but do I
need to make an entry in /etc/fstab what includes this "scsi" device, or
will the line for cdrom automatically take care of that?

Any help appreciated.  Thanks!
Denis

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