If eduroam is rejecting your username/password ensure that your username is in the format username@uq.edu.au.

Network SSID:eduroam (all lowercase)
Security:802.x EAP
EAP Method:TTLS
Phase 2 Authenication:PAP
CA certificate:(unspecified)
User certificate:(unspecified)
Identify:yourusername@uq.edu.au eg.s123456@uq.edu.au
Anonymous Identity:none
Password:your password