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Old 09-28-2002, 04:08 PM   #1
kabads
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Registered: Sep 2002
Distribution: Debian
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CD-RW kaput!


Just upgraded to MDK9 - it's pretty cool and at the moment, everything seems to work nicely, apart from CD-RW. I can't read the CD.

Firstly, I can't seem to cd into it (as a user or as root) and get the error:

bash: cd: /mnt/cdrom: Input/output error

I've had to play around with it in the past to emulate scsi and to get it working (see www.monkeez.co.uk/linux/cd-rw.php to see what I did).

I've got/mnt/cdrom /mnt/cdrom supermount dev=/dev/scd0,fs=iso9660,ro,--,iocharset=iso8859-15 0 0
in /etc/fstab

I also have:
probeall scsi_hostadapter ide-scsi
in /etc/modules.conf

and
append="hdb=ide-scsi devfs=mount quiet"
in lilo.conf (and have remembered to run /sbin/lilo and reboot).

However, on running cdrecord -scanbus I get
Cdrecord 1.11a32 (i586-mandrake-linux-gnu) Copyright (C) 1995-2002 Jörg Schilling
Linux sg driver version: 3.1.24
Using libscg version 'schily-0.6'
scsibus0:
0,0,0 0) *
0,1,0 1) 'HP ' 'CD-Writer+ 9100b' '1.07' Removable CD-ROM
0,2,0 2) *
0,3,0 3) *
0,4,0 4) *
0,5,0 5) *
0,6,0 6) *
0,7,0 7) *

Is there a problem that this is the second entry - as it used to be the first?

The CDRW is HP9600 series.

Basically, that's my set up and everything used to work.

Any ideas?

advTHANKSance
 
Old 09-28-2002, 05:04 PM   #2
mrGee
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Registered: Dec 2001
Location: Netherlands
Distribution: redhat suse mandrake freebsd
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Hi
Everything seems to look alright, because cdrecord -scanbus
shows your burner, i guess you 'll be able to burn allright.
Using the right dev=0,1,0 tho i don't know why it's another
device number as it used to be.
It's the mounting part that causes the error, your /etc/fstab
shows a valid entry, as far as i see it.
do a ls -l /dev/scd0 and compare that info with
cat /proc/scsi/scsi (and post it here)
Maybe the symlink is pointing to the wrong device.
good luck
 
Old 09-29-2002, 03:26 AM   #3
kabads
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Registered: Sep 2002
Distribution: Debian
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Ok - thanks here's the output from the ls and cat comparison.

[root@localhost adam]# ls -l /dev/scd0
lr-xr-xr-x 1 root root 31 Sep 28 22:35 /dev/scd0 -> scsi/host0/bus0/target1/lun0/cd
[root@localhost adam]# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: HP Model: CD-Writer+ 9100b Rev: 1.07
Type: CD-ROM

Any hints there?
 
Old 09-29-2002, 01:58 PM   #4
mrGee
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Registered: Dec 2001
Location: Netherlands
Distribution: redhat suse mandrake freebsd
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Hi
and nope; i have got the same entries but connected to
0,0,0 like a said everything seems allright.
Well here are some questions /remarks, maybe by trial and
error you might get it solved.
You said upgraded to mdk 9 you did upgrade or made a
fresh install?
At the moment you can't mount it, using the supermount
thing, maybe as a root try;
mount -t iso9660 /dev/scd0 /mnt/cdrom ,and btw /mnt/cdrom does exist?
And there is a proper data cd in (no blank cdr, for inst)
in your drive.
You didn't change the hardware like the jumper is set to
slave, not cable select?
Can you actually burn a cd?
Does erm M$ (if around ) get around this problem.
(my own plextor 8x4x32 just passed away this week,
causing several errors)
Maybe fire up mcc choose mount points, removable
drives and see if it makes the right settings; i guess this
is a long shot.
Your devfsd service is running ? check with mcc
Take a look in /etc/sysconfig/hwconf do double
check your drive info
I am out of suggestions right now, maybe i am overlooking
something obvious.
anyways; good luck
 
Old 09-29-2002, 02:52 PM   #5
kabads
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Registered: Sep 2002
Distribution: Debian
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Original Poster
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OKay, I feel very stoopid now. I noticed in my fstab 9600 instead of 9660 - which was flagged up by /var/log/messages - a neat log if you ask me.

Thanks Mr Gee, consider this one closed, although I see there's another related thread running. I'll pop over there and take a look again to see if I can assist there.

Thanks once again.
 
Old 09-29-2002, 02:59 PM   #6
mrGee
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Registered: Dec 2001
Location: Netherlands
Distribution: redhat suse mandrake freebsd
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Rep: Reputation: 30
you are welcome

this means that your first fstab entry is typed and not
dumped (or copy and pasted)
i assume
regards
 
  


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