Nick Kay wrote:
> 
> At 07:36 19/04/99 -0400, you wrote:
> >April 19, 1999
> >
> >Good Morning to all,
> >
> >I have a problem unmounting CD-ROMs, floppy drives, samba mounts, etc.
> >When I umount anything it always tells me the device is busy, try later.'
> >
> >Is there a way to get around this??
> >
> 
> Usually this is caused by a process running that requires the mount,
> most often (imho) it is bash because someone is logged and is sitting
> in a directory on the mounted device.
> Try "cd /", "umount /mnt/{whatever}"
> 
> hih
> nick@nexnix
> 
> >
> >Ken
> >
> >

I had this type of problem and then on one of the newsgroups someone
mentioned the "fuser" command.  man fuser may shed some light.  Here is
what I got after I started listening to an audio cd with the kscd
application.  (this is run from an xterm)
---
[onion@localhost onion]$ /usr/sbin/fuser -v /dev/cdrom

                     USER        PID ACCESS COMMAND
/dev/cdrom           onion           900 f....  kscd
[onion@localhost onion]$ 
---

The complete pathname for fuser was used since /usr/sbin is not in the
"average" user's (onion, in this case) path.  Having a musical cd-rom is
not likely to be the cause of the problem you're describing, but I think
the "fuser -v ...." will be useful to identify who/what's using the
particular device/file you're trying to "umount".

Hope this helps.

gerry

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