OK, I believe this is the cause of the 3 related failures on CentOS / RHEL. Calls to guestfs_umount ("/dev/...") didn't have the device path being rewritten. Rich. -- Richard Jones, Emerging Technologies, Red Hat http://et.redhat.com/~rjones New in Fedora 11: Fedora Windows cross-compiler. Compile Windows programs, test, and build Windows installers. Over 70 libraries supprt'd http://fedoraproject.org/wiki/MinGW http://www.annexia.org/fedora_mingw