Re: Strange umount problem in latest 2.4.0 kernels

From: Andries.Brouwer@cwi.nl
Date: Thu Jan 11 2001 - 17:34:36 EST


> The "none" bit puzzles me the most.

It is a common misconfiguration. Given a line

  device dir type options garbage

in /etc/fstab, some umount versions will complain "device busy"
when the umount fails. Thus, it is better to use

  proc /proc proc
  devpts /dev/pts devpts

instead of

  none /proc proc
  none /dev/pts devpts

so as to avoid this silly "none busy".
But many distributions come misconfigured like this.

These days umount is done by directory, not by device,
since a device may be mounted multiple times, so
I expect the silly message is gone.
(Is your umount recent?)

[But this is only about the "none". I don't know what is
wrong in your situation.]

Andries
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