It's related to ssh pass 3118311 "1.04 fails with openssh 5.6". Applying the fix by anonymous on http://sourceforge.net/tracker/?func=detail&aid=3118311&group_id=156659&atid=800672 solves it.
sshpass last version is from 2008 and seems to be dead. This patch should be aproved by ubuntu team. ** Bug watch added: SourceForge.net Tracker #3118311 http://sourceforge.net/support/tracker.php?aid=3118311 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/774882 Title: doesn't work in natty -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs