Public bug reported:
On a system running Intrepid IBEX and with the Intel 4965AGN WiFi
chipset, the IEEE 802 regulatory domain is always set to the restrictive
US domain. This means that by default the operation in other parts of
the world (e.g. Europe) can be problematic as the WiFi will not work
with Base Stations that use, for example, channel 13.
It is firstly questionable as to whether a WiFi terminal, as opposed to
a base station, needs to even have such a restriction. However,
notwithstanding this observation, to get WiFi to work reliably in
Europe, it is necessary to add the following line to
/etc/modprobe.d.options
options lbm_cw_cfg80211_regdom=EU
and then reboot/reload the driver.
If it is necessary to enforce the regulatory restriction then this
option should be determined from the current LOCALE and not require the
user to make a low level configuration change for a widely used
function. The current situation is not compatible with Ubuntu's "it just
works" philosophy.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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cfg80211 module does not automatically determine regulatory domain
https://bugs.launchpad.net/bugs/305081
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