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cdrecord can't find scsi modules



Hi:
cdrecord is not functioning. cdrecord -scanbus (as root) says the following:
cdrecord: No such file or directory. Cannot open SCSI driver.
cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are root

cdrecord output via gcombust says (as root):
/usr/bin/cdrecord: Bad file descriptor. Cannot open SCSI driver.

However, /sbin/lsmod says:
sr_mod                 12560   0  (autoclean) (unused)
sg                     21408   0  (autoclean) (unused)
ide-scsi                8016   0
scsi_mod               55840   3  [sr_mod sg ide-scsi]

dmesg |grep ATAPI says this:

hdb: TOSHIBA CD-ROM XM-6402B, ATAPI CD/DVD-ROM drive
hdc: SONY CD-RW CRX175A, ATAPI CD/DVD-ROM drive
hdb: ATAPI 32X CD-ROM drive, 256kB Cache, (U)DMA
hdc: ATAPI 40X CD-ROM CD-R/RW drive, 2048kB Cache, DMA
scsi0 : SCSI host adapter emulation for IDE ATAPI devices

And, following some instructions I found at http://linuxgazette.com/issue57/stoddard.html, I added
        alias scd0 srmod
       alias scsi_hostadapter ide-scsi
       options ide-cd ignore=hdc
to /etc/modules.conf (using update-modules)
and append="mem=127M hdc=ide-scsi" to /etc/lilo.conf.

Oh yeah, I also tried removing and reinstalling cdrecord, which generated the following:

Setting up cdrecord (1.8-3) ...
Fixing /dev/scd*
/sbin/MAKEDEV: major_usbacm%d=166: command not found

The kicker is that I used this cdrw drive under a RH7.1 install to burn the Debian cd that I'm running now!

I feel like I've read about every mailing list archive on the Internet trying to fix this, but nothing works. Now I am going to read the manpage for modprobe again, but in the meantime, if anyone out there can assist, I would *greatly* appreciate it.
Thanks,
James





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