wpa_supplicant writes to
/var/log/syslog. You can run it with option
-dd to add verbosity, but it is started automatically by
dbus so you don't get to enter your own options. How do you increase verbosity anyway?
For older versions of network-manager (<0.9), you can edit
In 0.9, the file has changed to
The file should look like this:
And you can add your options in the
and kill the
It will start back up automatically.