If you install Debian Wheezy on macbook you will probably face the problem that the wifi connection works but sometimes it simply drops. I didn’t investigate too much on causes because it turned out I was using a old driver: b43, b44 which have been replaced by the newer module “wl”.
This because the Macbook pro uses a BCM4322 s you can see from the output of lspcs
04:00.0 Network controller: Broadcom Corporation BCM4322 802.11a/b/g/n Wireless LAN Controller (rev 01)
So what to do is to remove the unwanted driver and load the new one with the following command:
modprobe -r b44 b43 b43legacy ssb brcmsmac modprobe wl
Since that moment my internet connection never dropped again with my Debian Macbook 🙂
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