[Bug 558926] [NEW] Open files on ejected media confuse the system

[Phillip Susi]

Public bug reported:

Open a file on a cdrom, perhaps as simply as changing the working
directory of a shell to a location in /media/cdrom, then eject the disc.
The filesystem is forcibly unmounted, so it no longer appears in df,
mount, or /proc/mounts, though it appears to still actually be sort of
mounted since you can run stat . from the shell.  The kernel begins
complaining filling /var/log/kern.log with messages like:

VFS: busy inodes on changed media or resized disk sr0

At this point the drive has vanished from view in nautilus.  It no
longer appears on the places menu or in the computer folder.  If you
insert a different disc it also will not show up in nautilus and you can
not mount it through the gui until whichever processes that still have
file descriptors open on files on the ejected media are closed.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: udisks (Ubuntu)
     Importance: Undecided
         Status: New

** Also affects: udisks (Ubuntu)
   Importance: Undecided
       Status: New

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Open files on ejected media confuse the system
https://bugs.launchpad.net/bugs/558926
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