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Bug#551579: Intel 5350 AGN (Echo Peak) refuses to associate with hardware accelerated encryption enabled



On 10/20/2009 07:09 PM, Ben Hutchings wrote:
> On Mon, 2009-10-19 at 00:52 -0700, Daniel Moerner wrote:
>> Package: linux-image-2.6.30-2-amd64
>> Version: 2.6.30-8
>> Severity: important
>>
>> Hi,
>>
>> I'm getting the same symptoms as in:
>>
>> https://bugzilla.redhat.com/show_bug.cgi?id=468967
> 
> That bug seems to have been fixed long before 2.6.30 (though it's hard
> to say for sure because there are no specific references to mainline
> shcanges).

Unfortunately, that doesn't seem to be the case. Either that, or this is
 another bug.

>> My Intel 5350 won't associate at all with some unencrypted networks,
>> unless I add:
>>
>> alias wlan0 iwlagn
>> options iwlagn swcrypto50=1 swcrypto=1
>>
>> To an arbitrary file in /etc/modprobe.d. Is there a way to fix this
>> problem in the driver?
> 
> First, please make sure you have the latest firmware for this wireless
> card.  This is packaged as firmware-iwlwifi in the non-free section of
> the archive.

I have firmware-iwlwifi version 0.18 installed. The above fix actually
doesn't work for me reliably. I still can't associate with a lot of
unprotected wireless networks. This is what dmesg shows me:

[  239.024909] ADDRCONF(NETDEV_UP): wlan0: link is not ready

[  239.055047] wlan0: direct probe to AP 00:1a:1e:91:51:41 try 1

[  239.062981] wlan0: direct probe to AP 00:1a:1e:91:51:21 try 1

[  239.260567] wlan0: direct probe to AP 00:1a:1e:91:51:21 try 2

[  239.460568] wlan0: direct probe to AP 00:1a:1e:91:51:21 try 3

[  239.660101] wlan0: direct probe to AP 00:1a:1e:91:51:21 timed out

wlan0 never becomes "ready".

This isn't a signal strength problem, I still get this when I'm next to
the router.

Is there anything I can do to better diagnose the problem? This problem
wasn't around on WPA protected networks that I've connected to before.

Daniel

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