"Failed to read configurations file" ?

[Jouni Malinen]

> > I can't figure out why the line in the conf file:
> > 
> > ctrl_interface=/var/run/wpa_supplicant
> > 
> > is flagged as an invalid line...

Control interface can be enabled with CONFIG_CTRL_IFACE=y in .config
when building wpa_supplicant. It sounds like you did not include this in
the build and then tried to use control interface in the runtime
configuration.

-- 
Jouni Malinen                                            PGP id EFC895FA