Re: Can't mount CD-ROM(s)

From: Todd Hobdey (thobdey_at_americanecologydotcom.com)
Date: 05/19/04


Date: Tue, 18 May 2004 16:39:59 -0600

Leonard,

I really appreciate your help on this - I've been working in the Windows
world since there's been a Windows and I'm really out of my element in
Linux.

There's only one CD on the system (any of the systems) and just as a side
note there's an identical server running SuSE Linux that mounts up the CD
beautifully. The hard drives are all SCSI and the CD is IDE. I recently
inherited these systems and all indications are that the CDs worked at some
point.

===============================================================
There's an /etc/lilo.conf.anaconda and a grub.conf; here's the grub.conf:

# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/sda6
# initrd /initrd-version.img
#boot=/dev/sda
default=1
timeout=10
splashimage=(hd0,0)/grub/splash.xpm.gz
title Red Hat Linux Advanced Server (2.4.9-e.24)
        root (hd0,0)
        kernel /vmlinuz-2.4.9-e.24 ro root=/dev/sda6
        initrd /initrd-2.4.9-e.24.img
title Red Hat Linux Advanced Server w/SCSI (2.4.9-e.24)
        root (hd0,0)
        kernel /vmlinuz-2.4.9-e.24 ro root=/dev/sda6
        initrd /initrd-2.4.9-e.24.scsi.img
=================================================================
/etc/fstab:

LABEL=/ / ext3 defaults 1 1
LABEL=/boot /boot ext3 defaults 1 2
none /dev/pts devpts gid=5,mode=620 0 0
LABEL=/home /home ext3 defaults 1 2
LABEL=/opt /opt ext3 defaults 1 2
none /proc proc defaults 0 0
none /dev/shm tmpfs defaults 0 0
LABEL=/usr /usr ext3 defaults 1 2
LABEL=/var /var ext3 defaults 1 2
/dev/sda5 swap swap defaults 0 0
/dev/fd0 /mnt/floppy auto noauto,owner,kudzu 0
0
/dev/cdrom /mnt/cdrom iso9660
noauto,owner,kudzu,ro 0 0
=================================================================
modules.conf:

alias parport_lowlevel parport_pc
alias eth0 e1000
alias eth1 e1000
alias scsi_hostadapter aic7xxx
alias usb-controller usb-ohci
options scsi_mod max_scsi_luns=255
=================================================================
/proc/modules:

soundcore 7364 0 (autoclean)
udf 93952 0 (autoclean)
vfat 13020 0 (autoclean)
fat 39096 0 (autoclean) [vfat]
sg 34020 2 (autoclean)
ide-scsi 10304 1
pcmcia_core 55584 0
autofs 13220 0 (autoclean) (unused)
e1000 60152 1
st 29780 0 (unused)
usb-ohci 22496 0 (unused)
usbcore 65440 1 [usb-ohci]
ext3 70880 6
jbd 51260 6 [ext3]
aic7xxx 126944 9
sd_mod 13888 7
scsi_mod 122480 5 [sg ide-scsi st aic7xxx sd_mod]
================================================================

Thanks again.

"Lenard" <lenard@127.0.0.1> wrote in message
news:pan.2004.05.18.21.49.18.617275@127.0.0.1...
> On Tue, 18 May 2004 11:25:42 -0600, Todd Hobdey wrote:
>
> > I rebooted the machine with a known data CD in the drive just to see
> > what would happen and here's the relevant dmesg output if this helps
> > anyone:
> >
> > Attached scsi tape st0 at scsi1, channel 0, id 5, lun 0 Linux Kernel
> > Card Services 3.1.22
> > options: [pci] [cardbus] [pm]
> > Intel PCIC probe: not found.
> > ds: no socket drivers loaded!
> > scsi2 : SCSI host adapter emulation for IDE ATAPI devices
> > Vendor: SAMSUNG Model: CD-ROM SN-124 Rev: q009 Type: CD-ROM
> > ANSI SCSI revision: 02
>
>
> OK, dmesg is showing that you are using scsi emulation for the Samsung CD
> drive. and in your original posting you stated "/proc/ide/hde/model
> properly shows this as a GCR-8481B cd-rom drive." These are different
> drives. This brings up a few questions;
>
> How many CD-ROM devices are installed on each system?
>
> Maybe you are attempting to mount the wrong drive???
>
> For example (your posting) "mount -t udf /dev/cdrom /mnt/cdrom" instead
> of; mount -t auto /dev/cdrom1 /mnt/cdrom1
>
> Let's try and get only one system working correctly. Hopefully getting one
> working will help you get all three working, choose one and provide the
> hardware specs and the output of;
>
> cat /etc/lilo.conf (or /etc/grub.conf)
>
> cat /etc/fstab
>
> cat /etc/modules.conf
>
> cat /etc/proc/modules
>
> In response to your other posting, application CD-ROM's normally are true
> ISO9660 'data' CD's, once in a great while (due to manufacturing error)
> they are published as an ISO9660 'audio' CD. Audio(music) CD's are not
> normally 'mounted' or 'mountable' with Linux, the CDfs addon allows for
> the mounting of 'audio' CD's.
>
>
> --
> "In short, without this exclusive franchise, called the Windows API,
> we would have been dead a long time ago." M$ Senior VP Bob Muglia '96



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