I have similar problems with my bcm4328.
I had to blacklist 'ssb' (and maybe b43) in /etc/modprobe.d/blacklist
blacklist ssb blacklist b43
And then I used ndiswrapper with bcmwl5.inf
I have similar problems with my bcm4328.
I had to blacklist 'ssb' (and maybe b43) in /etc/modprobe. d/blacklist
blacklist ssb
blacklist b43
And then I used ndiswrapper with bcmwl5.inf