On Fri, Nov 23, 2012 at 03:25:24PM -0000, Nickolay Ihalainen wrote:
> I have similar problem with MacBookPro8,1:
> firmware version 666.2 (2011-02-23 01:15:07)
> BCM4331 802.11a/b/g/n [14e4:4331] (rev 02)
> 
> There is a huge packet loss periodically that could be fixed by reloading b43 
> module: 
> ifconfig wlan0 down; rmmod b43 ; modprobe b43

You're talking about b43 rather than brcmsmac, so it cannot be the same
problem. You can file a new bug, but it's unlikely we'll be able to do
much about it because the information we have about BCM4331 is
incomplete. Broadcom has not provided Linux support for that device and
has not provided specifications for us to know how to properly configure
it.

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https://bugs.launchpad.net/bugs/1058090

Title:
  [Macbook Pro 10,1] Extremely high packet loss with BCM4331 wireless

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