iurt error

RPM build errors:
    Bad exit status from /home/baz/rpm/tmp/rpm-tmp.Qk2Ouf (%build)
I: [iurt_root_command] ERROR: chroot

I: [iurt2] [iurt2] --------------- end of command output ---------------
O: [iurt2] [iurt2] build successful, copying packages to /home/baz/iurt/cauldron/x86_64/.
E: [iurt2] [iurt2] ERROR: could not copy rpm files from /home/baz/build/chroot_tmp/baz/chroot_cauldron.x86_64.0.20120413093203/home/baz/rpm/RPMS/ to /home/baz/iurt/cauldron/x86_64/ (Illegal seek)
D: [iurt2] [iurt2] clean chroot