[guestfish] Built-in commands like 'alloc' and 'help' don't auto-complete. [libguestfs] /tmp/libguestfs temporary directory is not cleaned up (sometimes). [kernel?] Kernel boot times are significantly slower for Fedora 11/12 than for Fedora 10, like 2-3 times slower. This greatly affects the time it takes to launch the subprocess (although it does still work).