unmounting a volume

[Christopher Kanaan]

I have had this happen before too, with a USB pen drive.  The only
suggestion I have is that if you are in X-windows [gnome, kde, etc.
etc.], shut it down (this will reduce the number processes and in my
case kill the process that was making the USB pen drive "busy").  Once
X has quit, try the umount command again.  Not a scientific solution,
but a "it worked for me one time" suggestion.

-Chris

On Sun, 9 Jan 2005 13:41:29 -0600 (CST), Duane Attaway
<dattawaykclug at dattaway.org> wrote:
> What do you do when you want to unmount a volume, but its BUSY by some
> nonexistant process?
> 
> I had a USB drive mounted and the drive went into suspend.  It doesn't
> wake up properly with this kernel and unmounting hangs the command line.
> Syncing hangs too.  Unmounting with the -f option tells me umount is also
> busy?!
> 
> root at dattaway dattaway # umount /v -f
> 
> umount2: Device or resource busy
> umount: /v: device is busy
> 
> root at dattaway dattaway # fuser /v
> /v:
> 
> The only thing I know how to do at this point is to guess and start
> killing processes all the way to init.  There has to be a better way.
> 
> -=Duane
> http://dattaway.org
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