cdrecord reports size vs. capabilities error....

From: Jeff (
Date: Thu Dec 13 2001 - 05:20:36 EST

This I believed may have been asked before, but I am new to this list
and I hope I can get it resolved.
I have a IDE CDR as hdb and a IDE CDRW as hdc, no problem. I know in
order to use cdrecord I must use ide-scsi, no problem as I had this
exact same setup working with cdrecord when this was a 2.2.x system. Ok,
I upgrade the hard drive, hda, and install 2.4.5 kernel from Slackware
8.0. I always install just what I need,and install things as I need
them, usually from source. That's how you learn.
Ok, I need cdrecord working. No problem, I've done this before. Get the
cdrtools-1.10.tar.gz and have at. builds no problem. Build kernel with
scsi emulation, put the append command in lilo.conf, do the modules.conf
thing and link /dev/cdrom to /dev/scd0 and /dev/cdrw to /dev/scd1.
Reboot and I can mount both /dev/cdrom and /dev/cdrw as ro filesystems.
lsmod shows:
Module Size Used by
isofs 18032 1 (autoclean)
sr_mod 13024 1 (autoclean)
sg 21408 0 (autoclean)
ide-scsi 7904 1
ide-cd 26432 0
cdrom 27520 0 [sr_mod ide-cd]
scsi_mod 81904 3 (autoclean) [sr_mod sg ide-scsi]
3c59x 24224 1

Ok, I try cdrecord -scanbus, and get he following warning:
Cdrecord 1.10 (i686-pc-linux-gnu) Copyright (C) 1995-2001 Jörg Schilling
Linux sg driver version: 3.1.17
Using libscg version 'schily-0.5'
cdrecord: Warning: controller returns wrong size for CD capabilities
        0,0,0 0) 'E-IDE ' 'CD-ROM 50X ' '50 ' Removable
        0,1,0 1) 'HP ' 'CD-Writer+ 9100 ' '1.0c' Removable
        0,2,0 2) *
        0,3,0 3) *
        0,4,0 4) *
        0,5,0 5) *
        0,6,0 6) *
        0,7,0 7) *
Where did the Warning: come from? Trying to burn from xcdroast causes an
error box stating the same and refuses to write.
I did everything like the cd writer how-to specifies, just like I did
before, I think? Did I miss something?

I google searched and found plenty of postings with the same problem,
but couldn't find any with the answer. One thing I did notice that they
all involved 2.4.x kernel. Is that the problem?

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