[TriLUG] Debian CD-R problems

[Dean Price]

2.6.8 is your problem... cdrecord is b0rked in that one  go back to 2.6.7

On Monday 27 September 2004 10:13, rwshep2000.2725323 at bloglines.com wrote:
> Hi all,
>
> I'm a relative Linux newbie, so bear that in mind...
>
> I upgraded
> to Debian w/KDE unstable kernel 2.6.8-1-386.  (OK, I know I have no
> business doing this but everything is OK except my CD-R woes.)  I have
> limited understanding, and I haven't been able to find resolution via
> Google.
>
> Each boot Discover
> "cleans up" (removes) the /media/cdrom0 directory, then never recreates it.
>  Fine, I commented that line out of discover:
>
> /etc/init.d/discover
>
>
>    # Remove all old optical drive mount points:
>     for CDMOUNT in ${CDROM_BASE_MOUNTPOINT}cdrom?
>
>     do
>         mountsent="$(grep "$CDMOUNT " /proc/mounts | cut -f2)"
>
>        if [ -z "$mountsent" ]; then
>          # rm -rf $CDMOUNT
>         fi
>
>     done
>
> My remaining problems are these:
>
> 1.  Once mounted, I cannot
> unmount, even as root.
> 	linux:~# umount /media/cdrom0
> 	umount: /media/cdrom0:
> device is busy
> 	umount: /media/cdrom0: device is busy
>
> 2.  I cannot eject.
>
> 	umount: /media/cdrom0: device is busy
> 	umount: /media/cdrom0: device is
> busy
> 	eject: unmount of `/dev/hda' failed
>
> This happens from shell or
> Konqueror.  OK, so I close Konqueror (assuming it is causing the "busy"
> signal) and:
>
> as my user:
>
> rs1700 at linux:~$ umount /media/cdrom0
> rs1700 at linux:~$
> eject
> eject: unable to eject, last error: Invalid argument
>
> disk does not
> eject.
>
> and as root:
>
> linux:~# umount /media/cdrom0
> linux:~# eject
> eject:
> unable to eject, last error: Invalid argument
>
> but disk does eject!
>
> Seems
> like a lot to go through just to eject the CD: close Konqueror, shell out,
> su, umount, eject, receive an error...
>
> Permissions:
>
> lrwxrwxrwx  1 0
> 0   13 Sep 27 08:16 cdrom -> /media/cdrom0
>
> fstab:
>
> # /etc/fstab: static
> file system information.
> #
> # <file system> <mount point>   <type>  <options>
>       <dump>  <pass>
> proc            /proc           proc    defaults
>     0       0
> /dev/hdc1       /               ext3    defaults,errors=remount-ro
> 0       1
> /dev/hdc5       /home           ext3    defaults        0
>  2
> /dev/hdc6       none            swap    sw              0       0
> /dev/hda
>        /media/cdrom0   iso9660 ro,user,noauto  0       0
> /dev/fd0
> /media/floppy0  auto    rw,user,noauto  0       0
>
>
> I can burn a CD if
> no CD was previously mounted that session (even though fstab reports the
> device as "ro").  After the burn K3B ejects the disk.
>
> I fully accept that I may
> be the problem in this scenario, if someone will tell me the error in my
> ways!

-- 
Thank You,
Dean Price
deano at price4.org