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Re: ath5k blind to nearby network

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On Mon, Apr 13, 2009 at 6:24 PM, Grzegorz Nowakowski <krecik@xxxxxxx> wrote:
> On Sat, Apr 11, 2009 at 05:19:55PM +0100, Tony Vroon wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> On Fri, 10 Apr 2009 23:39:58 +0200
>> Grzegorz Nowakowski <krecik@xxxxxxx> wrote:
>> > The symptom is that with both NetworkManager and WICD (and "iwlist
>> > <if> scanning") I don't see my home network on the list.  I see all
>> > other neighbouring networks around and I'm even able to connect if
>> > any is open.
>>
>> Please doublecheck your wireless regulatory setting. On the default
>> "world" domain, it is unlikely you will be able to see networks on
>> channel 13. You may well have chosen that specific channel because it
>> was so quiet.
>
> Gee, that was so stoopid!  You have guessed correctly, the channel in
> use was indeed thirteenth and 13 was its number.  After reconfiguring
> the AP to use another one everything seems to be working fine.
>
> But that leaves me with the question: why Windows XP on Atheros and Linux
> on Intel didn't have such trouble?

Windows XP auto-configures the regulatory domain based on your
regional settings. Intel cards have semi-hardcoded regulatory
information in their EEPROMs, which allows Linux to automatically
select the right regulatory settings. Atheros cards have no such
firmware-level regulatory enforcement.

>
> Anyway, thanks for suggestion and best regards.
> --
> Grzegorz Nowakowski
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