The archived Ubuntu forum thread I linked to above has an strace for cu. I continued the thread asking for assistance from other users here: http://ubuntuforums.org/showthread.php?t=902590
-- Serial port devices (ttyS*) unaccessible from non-root accounts https://bugs.launchpad.net/bugs/255200 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
