On Tue, 2007-03-27 at 15:14 +0100, Mark McLoughlin wrote: > def unmount(self): > """detaches system bind mounts and install_root for the file system and tears down loop devices used""" > + shutil.rmtree(self.build_dir + "/yum-cache", ignore_errors=True) Doesn't this end up removing the contents of all of your yum cache (which gets bind mounted from your host)?