Eject CDROM question

whenever whatever at whoever.net
Wed May 23 20:49:20 PDT 2001


does umount /dev/cdrom   or umount /mnt/cdrom   works?

On Wed, May 23, 2001 at 04:20:24PM -1000, Eric Hattemer wrote:
> That's kind of scary that the button doesn't work.  Does it work when it's
> booting up (like just after the bios screen before linux has a chance to
> lock it)?  If not, it's probably just a problem with the eject mechanism.
> Otherwise Linux must think something is locking te drive.  When you umont it
> try typing mount and make sure there's no mention of hda, cdrom, or anything
> like that.  If you have ide-scsi running or something, your computer might
> actually think sr_ or sg_ is your CD drive.  You might have trouble if
> you're using some kind of experimental kernel.  Try a different one.
> Otherwise, I'm lost.  Sorry.
> -Eric Hattemer
> ----- Original Message -----
> From: "Ben Beeson" <beesond001 at hawaii.rr.com>
> To: "Linux & Unix Advocates & Users" <luau at list.luau.hi.net>
> Sent: Tuesday, May 22, 2001 8:51 PM
> Subject: [luau] Re: Eject CDROM question
> 
> 
> Eric and 'whenever,'
> 
> I tried re-linking -- it didn't work.
> 
> Mount and umount work OK, but the eject command does not work, and
> neither does the hardware button unless I insert the paperclip into the
> little
> hole.    Funny though, it worked recently....
> 
> Ben
> 
> On Tue, 22 May 2001, you wrote:
> > That would be a good place to put a CDROM in an all SCSI system.  Does
> > umount and then the eject button on the hardware work ok?
> > -Eric Hattemer
> > ----- Original Message -----
> > From: "whenever" <whatever at whoever.net>
> > To: "Linux & Unix Advocates & Users" <luau at list.luau.hi.net>
> > Sent: Tuesday, May 22, 2001 7:23 AM
> > Subject: [luau] Re: Eject CDROM question
> >
> >
> > > Hmmm.. did you really have the CDROM on /dev/hda? Primary master? if so,
> > then you are the first that I know :)  if not, just relink your /dev/cdrom
> > to the correct device.
> > >
> > > On Mon, May 21, 2001 at 11:43:20PM -1000, Ben Beeson wrote:
> > > > Aloha all,
> > > >
> > > > For some reason, my system will not eject a cdrom.  It worked fine
> > > > up until today, and I can't figure it out.  Perhaps someone here can
> > help.
> > > >
> > > > Here is my /etc/fstab file:
> > > >
> > > > $ cat /etc/fstab
> > > > /dev/sda2               /                       ext2    defaults
> > 1 1
> > > > /dev/sda1               /boot                   ext2    defaults
> > 1 2
> > > > /dev/sdb2               /home                   ext2    defaults
> > 1 2
> > > > /dev/cdrom              /mnt/cdrom              iso9660
> > user,exec,dev,suid,ro,noauto 0 0
> > > > /dev/sdb1               /usr                    ext2    defaults
> > 1 2
> > > > /dev/fd0                /mnt/floppy             auto    noauto,user
> > 0 0
> > > > none                    /proc                   proc    defaults
> > 0 0
> > > > none                    /dev/pts                devpts  gid=5,mode=620
> > 0 0
> > > > /dev/sdb3               swap                    swap    defaults
> > 0 0
> > > > /dev/sda3               swap                    swap    defaults
> > 0 0
> > > >
> > > > Here is what the console sez when I try to eject a disk.
> > > >
> > > > $ eject -v -r cdrom
> > > > eject: device name is `cdrom'
> > > > eject: expanded name is `/mnt/cdrom'
> > > > eject: `/mnt/cdrom' is not mounted
> > > > eject: `/dev/cdrom' can be mounted at `/mnt/cdrom'
> > > > eject: `/dev/cdrom' is not a multipartition device
> > > > eject: unable to open `/dev/cdrom'
> > > >
> > > >
> > > > If you try this as root, the console sez...
> > > >
> > > > # eject -v -r cdrom
> > > > eject: device name is `cdrom'
> > > > eject: expanded name is `/dev/cdrom'
> > > > eject: `/dev/cdrom' is a link to `/dev/hda'
> > > > eject: `/dev/hda' is not mounted
> > > > eject: `/dev/hda' is not a mount point
> > > > eject: `/dev/hda' is a multipartition device
> > > > eject: trying to eject `/dev/hda' using CD-ROM eject command
> > > > eject: CD-ROM eject command failed
> > > > eject: unable to eject, last error: Device or resource busy
> > > > #
> > > >
> > > > And I know someone is going to ask this one... I am not in any
> directory
> > > > related to the cdrom when I run these commands.  The kde icon for
> eject
> > returns
> > > > an error message that sez:
> > > >
> > > > "Could not unmount
> > > > Error log:
> > > >
> > > > eject: unable to find or open device for '/dev/cdrom'
> > > > The following processes have open files:
> > > >
> > > > CANCEL"
> > > >
> > > > File permissions for /dev/cdrom are:
> > > >
> > > > [ben at VALinux ben]$ ls -la /dev/cdrom
> > > > lrwxrwxrwx    1 root     root            8 May  5 20:49 /dev/cdrom ->
> > /dev/hda
> > > > [ben at VALinux ben]$
> > > >
> > > > and for /dev/hda I have:
> > > > [ben at VALinux ben]$ ls -la /dev/hda
> > > > brw-------    1 root     root       3,   0 May  5  1998 /dev/hda
> > > > [ben at VALinux ben]$
> > > >
> > > > I have also tried using:
> > > > [root at VALinux /root]# ls -la /dev/hda
> > > > brw-------    1 root     disk       3,   0 May  5  1998 /dev/hda
> > > > [root at VALinux /root]#
> > > >
> > > >
> > > > I have tried changing the listing in /etc/fstab for the cdrom to:
> > > > /dev/hda              /mnt/cdrom             iso9660
> > > > user,exec,dev,suid,ro,noauto 0 0
> > > > and I have tried:
> > > > /dev/cdrom              /mnt/cdrom              iso9660
> > > > users,exec,dev,suid,ro,noauto 0 0
> > > >
> > > > The button on the cdrom drive doesn't work either unless you use the
> > paperclip
> > > > option.    Any ideas????
> > > >
> > > > Thanks in advance,
> > > >
> > > > Ben
> > > >
> > > >
> > > >
> > > >
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