CD/DVD Setup Problems

**Bubo** · 06-02-2005

Hi

I am struggling to get my CD-RW/CD-ROM and DVD-ROM/CD-ROM drives configured.

I cant seem to find them in my normal users account.

They both show in dmesg as ....

Code:

hdc&#58; HL-DT-ST GCE-8320B, ATAPI CD/DVD-ROM drive
hdd&#58; LG DVD-ROM DRD-8160B, ATAPI CD/DVD-ROM drive

but don't seem to appear correctly in fstab...

Code:

/dev/hda1        swap             swap        defaults         0   0
/dev/hda2        /                ext3        defaults         1   1
/dev/cdrom       /mnt/cdrom       iso9660     noauto,owner,ro  0   0
/dev/fd0         /mnt/floppy      auto        noauto,owner     0   0
devpts           /dev/pts         devpts      gid=5,mode=620   0   0
proc             /proc            proc        defaults         0   0

Can someone give me a clue how to get these working please. I am not really sure where to start.

I am using Slack 10.1 with the 2.4.29 kernel if that assists.

Cheers

Bubo

**dylunio** · 06-02-2005

I'm not quite sure of what you are asking, but why not edit your fstab to look like this:

/dev/hda1 swap swap defaults 0 0
/dev/hda2 / ext3 defaults 1 1
/dev/hdc /mnt/cdrom iso9660 noauto,users,ro 0 0
/dev/hdd /mnt/dvd iso9660 noauto,users,ro 0 0
/dev/fd0 /mnt/floppy auto noauto,users 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
proc /proc proc defaults 0 0

and make sure that you have /mnt/dvd with

Code:

mkdir /mnt/dvd

dylunio

**Bubo** · 06-03-2005

Thanks for the reply.

I think what is confusing me is how do I differentiate between the CD Burner and the CD-ROM, which are both /dev/hdc. The same with the other device, CD-ROM and DVD-ROM are /dev/hdd.

For example, if I want to burn a CD from the commandline using "cdrecord" would the command

Code:

/mnt/cdrom

work for me in this scenario or would I have to define the CD-RW in the fstab as well or will the system sort that out for me.

I know I am not explaining this very well, I have struggled with this in several distro's even though it appears very basic. I will edit my fstab as you suggest and see how I get on.

Another quick question is, what cd burning tools are vailable in Slack 10.1. I do not seem to have any, K3B etc. When I enter "cdrecord" at the command promt, either as root or user I get "command not found".

Any assistance appreciated.

Bubo

**adrenaline** · 06-03-2005

Originally Posted by Bubo

Thanks for the reply.

I think what is confusing me is how do I differentiate between the CD Burner and the CD-ROM, which are both /dev/hdc. The same with the other device, CD-ROM and DVD-ROM are /dev/hdd.

For example, if I want to burn a CD from the commandline using "cdrecord" would the command

Code:

/mnt/cdrom

work for me in this scenario or would I have to define the CD-RW in the fstab as well or will the system sort that out for me.

I know I am not explaining this very well, I have struggled with this in several distro's even though it appears very basic. I will edit my fstab as you suggest and see how I get on.

Another quick question is, what cd burning tools are vailable in Slack 10.1. I do not seem to have any, K3B etc. When I enter "cdrecord" at the command promt, either as root or user I get "command not found".

Any assistance appreciated.

Bubo

check this out I just installed this and it worked for me.
http://www.k3b.org/
Mike

I just noticed that you are using 2.4 kernel - that means you need to enable scsi emulation
here is a snippet of my lilo.conf the part of interest is
append ="hdc=ide-scsi"

# LILO configuration file
# generated by 'liloconfig'
#
# Start LILO global section
append="hdc=ide-scsi"
boot = /dev/hda

after adding that line in that spot
save and exit and run
/sbin/lilo
make sure there is no errors
it should say added what ever you have with now errors
if there is an error and you did something wrong make sure you fix it before you reboot

**Bubo** · 06-03-2005

Hi Mike

Thanks for that. Just a couple of questions...

I tried adding the line as you said, but when I run

Code:

/sbin/lilo

I get this error

Code:

root@ccu-linux&#58;~# /sbin/lilo
Fatal&#58; VolumeID read error&#58; sector 0 of /dev/sda not readable

I have no idea what that means, so I took the line out again, ran

Code:

/sbin/lilo

again, and got this

Code:

added Linux *

I have not had the chance to look at the K3b link, but presumably I need to sort out the scsi emulation first. Would that be right ?

Regards

Bubo

**adrenaline** · 06-03-2005

Originally Posted by Bubo

Hi Mike

Thanks for that. Just a couple of questions...

I tried adding the line as you said, but when I run

Code:

/sbin/lilo

I get this error

Code:

root@ccu-linux&#58;~# /sbin/lilo
Fatal&#58; VolumeID read error&#58; sector 0 of /dev/sda not readable

I have no idea what that means, so I took the line out again, ran

Code:

/sbin/lilo

again, and got this

Code:

added Linux *

I have not had the chance to look at the K3b link, but presumably I need to sort out the scsi emulation first. Would that be right ?

Regards

Bubo

you will need that code for the 2.4 kernel
I will show you my file

Code:

# LILO configuration file
# generated by 'liloconfig'
#
# Start LILO global section
append="hdc=ide-scsi"
boot = /dev/hda
message = /boot/boot_message.txt
prompt
timeout = 1200
# Override dangerous defaults that rewrite the partition table&#58;
change-rules
  reset
# VESA framebuffer console @ 1024x768x256
vga = 773
# Normal VGA console
# vga = normal
# VESA framebuffer console @ 1024x768x64k
# vga=791
# VESA framebuffer console @ 1024x768x32k
# vga=790
# VESA framebuffer console @ 1024x768x256
# vga=773
# VESA framebuffer console @ 800x600x64k
lilo.conf lines 1-23/54 42%

did you keep the quotes?

also do this
ln -s /dev/hdc /dev/cdrom

make sure you have no errors with /sbin/lilo very important

bare in mind none of this is needed in the 2.6 kernel. if you recompile to 2.6 this all will automatically work.

keep me informed

**Bubo** · 06-03-2005

Since last my post I have installed K3b from your link. It laods okay but cannot find the burning device.

My lilo.conf now looks like this...

Code:

root@ccu-linux&#58;~# cat /etc/lilo.conf
# LILO configuration file
# generated by 'liloconfig'
#
# Start LILO global section
append="hdc=ide=scsi"
boot = /dev/hda2
message = /boot/boot_message.txt
prompt
timeout = 1200
# Override dangerous defaults that rewrite the partition table&#58;
change-rules
  reset
# VESA framebuffer console @ 1024x768x256
vga = 773
# Normal VGA console
# vga = normal
# VESA framebuffer console @ 1024x768x64k
# vga=791
# VESA framebuffer console @ 1024x768x32k
# vga=790
# VESA framebuffer console @ 1024x768x256
# vga=773
# VESA framebuffer console @ 800x600x64k
# vga=788
# VESA framebuffer console @ 800x600x32k
# vga=787
# VESA framebuffer console @ 800x600x256
# vga=771
# VESA framebuffer console @ 640x480x64k
# vga=785
# VESA framebuffer console @ 640x480x32k
# vga=784
# VESA framebuffer console @ 640x480x256
# vga=769
# End LILO global section
# Linux bootable partition config begins
image = /boot/vmlinuz
  root = /dev/hda2
  label = Linux
  read-only
# Linux bootable partition config ends
root@ccu-linux&#58;~#

I ran /sbin/lilo and got this...

Code:

root@ccu-linux&#58;~# /sbin/lilo
Added Linux *

and the result of...

Code:

ln -s /dev/hdc /dev/cdrom

returned this...

Code:

root@ccu-linux&#58;~# ln -s /dev/hdc /dev/cdrom
ln&#58; `/dev/cdrom'&#58; File exists

Does all this look about right before I reboot ?

bare in mind none of this is needed in the 2.6 kernel. if you recompile to 2.6 this all will automatically work.

I am having enough trouble with my cd-burner, please don't frighten me further by mentioning compiling new kernels. (I haven't got to that chapter in my book yet !)

Bubo

**adrenaline** · 06-03-2005

Everything looks good

Ok hang in there lilo looks good reboot
we will work on this one step at a time

**Bubo** · 06-04-2005

hey Adrenaline

Thanks for the continued assistance. It is much appreciated.

I am actually away from the machine for the weekend (it's a work machine) so cannot progress this until Monday if thats okay with you.

I have made some changes to my fstab which got me a bit further, ie I can now mount both drives and view the contents of a disc but they always mount read only, even the burner, which I cannot seem to fix. I have them set up in fstab with "rw" as an option.

Anyhow, I can't show you any of this until Monday when I get back to the machine. However my weekend project is getting Slack 10.1 onto my home machine, as so far, I think it is pretty darn fine !

Catch you Monday, have a good weekend.

Regards

Bubo

**Monkeh** · 06-04-2005

The burner mounts as read-only, because you've mounted a read-only disk. I've never burned a CD in linux, but I know you can't just mount as read-write and copy files on.

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