Upgrading to rxtx 2.2pre2 solved it for me too -- running Ubuntu 9.10 (karmic) 64-bit. The download link is http://rxtx.qbang.org/pub/rxtx/rxtx-2.2pre2-bins.zip.
Upgrading to rxtx 2.2pre2 solved it for me too -- running Ubuntu 9.10 (karmic) 64-bit. The download link is http:// rxtx.qbang. org/pub/ rxtx/rxtx- 2.2pre2- bins.zip.