Ubuntu
gnome-mount package

  1. Bug #81239
  2. Comment #14

Comment 14 for bug 81239

Revision history for this message
Marco Peter (flying-toaster) wrote : Re: Cannot unmount volume: not very helpful error message

By using nasos method, I identified ghostscript to be the process which is blocking my memory stick.
in the root directory of the stick were indeed some .ps files which could not be opened by ghostscript.
Tests with moving the files brought me to a theory:
After plugging in the memory stick, the file browser opens and the file previews are created by helper programs. In my case this is ghostscript.
If the helper program has problems opening a file it may get blocked. So the file in question is still accessed and the media can not be unmounted.

As a workaround, i deactivated the image previews in the file browser under Edit - Preferences - Previews - Other files with possibility to preview. This solved my problems unmounting the device.

Actually, I don't think the problem has a relation with the gnome-volume-manager, because it does exactly what it has to do: reject unmounting a device which is in use. It seems more to be a problem, where the file browser works with the helper applications.