Dear b43 Maintainers,

I'm sorry to bother you. I'm using Slackware64 14.2 on a MacBook Pro 2012 
(macbookpro9,2), which has a Broadcom BCM 4331 wifi card and I have a problem 
that may be a driver bug or perhaps a problem on the access points I'm trying 
to connect to. If you've seen my problem and know either how to work around it 
or that it can't be fixed, that would be very helpful. If I've found a bug, I'd 
be happy to help you fix it (though I'm not a programmer, let alone a kernal 
developer).

PROBLEM:

I can connect to my home WPA2-PSK network but I cannot connect to my employer's 
wifi, of which there are three different types. One is WPA2-Enterprise 
PEAP-MSCHAPv2, one is a WPA2-Enterprise PEAP-MSCHAPv2 eduroam access point, but 
the third is an unencrypted guest captive access point. None of them uses 
certificates. When I try to connect, dmesg shows that I manage to authenticate 
and then associate but then I get disconnected. dmesg shows wlan0: 
deauthenticating from c8:b5:ad:5d:c2:21 by local choice (Reason: 
3=DEAUTH_LEAVING).

I can connect to all of my employer's wifi points with USB wifi dongles using 
either the zd1211rw or rt2800usb drivers (though, as with the built-in BCM4331 
and the b43 driver, I can't connect with a dongle using the r8712u staging 
driver). Like the BCM4331 with the b43 driver, all USB wifi dongles I've used 
will connect to my WPA2-PSK home network.

This problem occurs with all kernels I've tried, most recently 4.4.230 and 
5.4.52 and I have the same problem with the stock "huge" 4.4.14 kernel of 
Slackware64 14.2. I'm using the v6.30.163.46 Broadcom firmware, from a package 
built from SlackBuilds.org. 

OUTPUT:

The kernel configs and outputs of uname -a, lspci -vvn|grep 43 -A7, and dmesg 
for these kernels can be found at

http://people.hws.edu/tjallen/b43/4.4.230-4.config.txt
http://people.hws.edu/tjallen/b43/uname.txt
http://people.hws.edu/tjallen/b43/lspci.txt
http://people.hws.edu/tjallen/b43/dmesg.txt

http://people.hws.edu/tjallen/b43/5.4.52.config.txt
http://people.hws.edu/tjallen/b43/uname-5.4.52.txt
http://people.hws.edu/tjallen/b43/lspci-5.4.52.txt
http://people.hws.edu/tjallen/b43/dmesg-5.4.52.txt

If you're interested to look into this and you have any further tests you want 
me to make, I'd be happy to make them. 

    Ted Allen



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