My error - you should do lsof -i | grep /dev/ttyUSB0 to see if anything is holding.
If you add "proposed", (in the system->admin->software sourcest) you can get:
Linux tz-hpmini 2.6.31-17-generic #54-Ubuntu SMP Thu Dec 10 16:20:31 UTC 2009 i686 GNU/Linux
which works for me.
My error - you should do lsof -i | grep /dev/ttyUSB0 to see if anything is holding.
If you add "proposed", (in the system- >admin- >software sourcest) you can get:
Linux tz-hpmini 2.6.31-17-generic #54-Ubuntu SMP Thu Dec 10 16:20:31 UTC 2009 i686 GNU/Linux
which works for me.