I don' know if this helps
[root@localhost uggy]# draknetcenter
comgt 18:42:26 -> -- Error Report --
comgt 18:42:26 -> ----> ^
comgt 18:42:26 -> Error @116, line 7, Could not write to COM device. (1)
comgt 18:42:31 -> -- Error Report --
comgt 18:42:31 -> ----> ^
comgt 18:42:31 -> Error @74, line 4, Could not write to COM device. (1)
Note: Whilst connected, right click NetApplet > disconnect, does disconnect but still displays green tick (connected)
Whilst connected, opening draknetcenter, displays connected, press disconnect, it does disconnect but still displays as connected and offers a disconnect button, which will now not work a second time.