I've listed the gnomevfs.NotFoundError failure mode above as a new bug, since I cannot get a working backup:
https://launchpad.net/distros/ubuntu/+source/sbackup/+bug/67814 -- sbackup remote target fails https://launchpad.net/bugs/44260 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
