On Tue, May 27, 2003 at 01:00:41AM +0100, Hugh Saunders wrote: > On Mon, May 26, 2003 at 11:16:51PM +0100, David selby wrote: > > I have been mounting my DVD, /mount /CDROM/ reading DVDs. > > I tried to /umount /cdrom, "device busy"/ I shut down all my programs, > > just KDE running, /"device busy". > > /Had to resort to drastic action, re-booted system > > > > Im sure there is a better way ? > one thing that has caught me out is that if you spawn a shell from that > file stystem it will be busy eg: > > cd /cdrom/foo > su > cd / > > you look through all your terminals and none are in /cdrom/* but the su > session was started from there so must be nohuped or closed [not sure if > nohup would work -close definately does] before the /cdrom is unmounted. > > as others have said, lsof is good but you'll need to do something with the > output. > What I usually do is lsof |grep cdrom, then kill the PID -- Zeng Nan Simple is Beautiful.
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