According to http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=586751, this was fixed in 0.9.5-5 -- apparently it has regressed (I see upowerd grab my /dev/ttyUSB0, which is not a Watts Up device, and never let go).
** Bug watch added: Debian Bug tracker #586751 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=586751 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/798095 Title: upowerd grabs my FTDI USB serial port adapter To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/upower/+bug/798095/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
