Description of problem:


Version-Release number of selected component (if applicable):
when trying to burn iso on cdrw that is not empty, k3b ask about erasing the cd.
But one gets an error message after few minutes, because the cd is mounted, and
k3b cant umount it.

same bug as : https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=198145
How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:
to workaround this, the easier way is to launch a terminal and run "gnome-umount
-d /dev/hdX" (where X is the number of the cdrom device). Then k3b can erase the
cd !