From Fedora Project Wiki
Configure syslog to debug kernel and wpa_supplicant
Sometimes is needed to have kernel debug messages together with wpa_supplicant logged in one place. Below changes allow to do this.
- Edit /etc/sysconfig/wpa_supplicant file to log into /var/log/messages
OTHER_ARGS="-u -f /var/log/messages -dd -P /var/run/wpa_supplicant.pid"
- Edit /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
Configure syslog for debug kernel and wpa_supplicant together with NetworkManager
Requires settings from above and below changes.
- Edit /etc/init.d/NetworkManager file to enable verbose debug
daemon --pidfile $pidfile --check $servicename $processname --pid-file=$pidfile --log-level=DEBUG
- Restart services
/etc/init.d/NetworkManager restart