cd ejection

[Tony Arnold]

On Wed, 2005-04-13 at 14:20 +0100, Norman Silverstone wrote:
> On Tue, 2005-04-12 at 19:11 +0100, Norman Silverstone wrote:
> > There are 2 users on my machine my wife and myself. My wife had been
> > using the computer earlier today and when she had finished I decided,
> > for the first time, to change to my desktop using Applications-> System
> > Tools-> New login. Some time later I came to eject a CD from the drive
> > and could not do so although only about half an hour before I had been
> > able to. The error message told me that only my wife could eject the CD.
> > Therefore, I changed desktops, this time using System-> Log Out and then
> > ejected the CD. I am using Hoary and this has never happened to me
> > before. Could someone please explain to me what is going on and why this
> > should happen?
> > 
> > Norman 
> > 
> I am disappointed that no one has yet been able to answer the question I
> raised. Perhaps I did not make myself very clear. The problem is that if
> I use 'System -> Log Out' when changing from one user to another there
> is no problem in the user ejecting a CD. However, if 'Applications ->
> System Tools -> New Login' is used to change from one user to another
> then sometimes the user is able to eject a CD and sometimes eject does
> not work. Why?

Does it not depend on whether the first user has a file or directory
open on the CD? New login does not log the first person out, so any
resources used by the first user are still in use. You can't eject a CD
of your own that is mounted or in use!

Regards,
Tony.
-- 
Tony Arnold, IT Security Coordinator, University of Manchester,
Manchester Computing, Kilburn Building, Oxford Road, Manchester M13 9PL.
T: +44 (0)161 275 6093, F: +44 (0)870 136 1004, M: +44 (0)773 330 0039
E: tony.arnold at manchester.ac.uk, H: http://www.man.ac.uk/Tony.Arnold