From Fedora Project Wiki
Configure for basic debug
- Change line in /etc/sysconfig/wpa_supplicant file to log into /var/log/messages
OTHER_ARGS="-u -f /var/log/messages -P /var/run/wpa_supplicant.pid"
- Change line in /etc/rsyslog.conf file to log all kernel messages into /var/log/messages
kern.*;*.info;mail.none;authpriv.none;cron.none /var/log/messages
- Restart services
/etc/init.d/wpa_supplicant restart /etc/init.d/rsyslog restart