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Re: iwlwifi connection problems

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Johannes Berg <johannes@xxxxxxxxxxxxxxxx> writes:

> On Fri, 2010-07-23 at 13:38 -0700, Guy, Wey-Yi wrote:
>> Hi Johannes,
>> 
>> On Fri, 2010-07-23 at 13:14 -0700, Alex Romosan wrote:
>> > since kernel 2.6.35-rc3 (i didn't try 1 or 2) i haven't been able to
>> > connect to a hidden wireless access point using the iwlwifi driver. i
>> > can connect to open ones though (the ones that broadcast their name).
>> > 2.6.34 worked without any problems. any ideas?
>> > 
>> > this is with the driver in the standard linux kernel (2.6.35-rc6 is the
>> > latest one i tried).
>> 
>> Do you aware any changes?
>
> Nope, and it works fine here on wireless-testing.

any ideas on how i can debug this? i tried to do a git-bisect but i
didn't get anywhere. i have the driver compiled in the kernel if that
makes any difference. as i played with the later kernels (after 2.6.34)
i discovered that if kept bringing the interface down and then up again
eventually i would get "cfg80211: Calling CRDA to update world
regulatory domain" the antenna light on the laptop (i have a thinkpad
t61) would go off and then at the next ifup the driver connected. looks
like some kind of reset/initialization problem to me.

--alex--

-- 
| I believe the moment is at hand when, by a paranoiac and active |
|  advance of the mind, it will be possible (simultaneously with  |
|  automatism and other passive states) to systematize confusion  |
|  and thus to help to discredit completely the world of reality. |
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