i'm using the Debian version of Linux Mint 12. Installation went fine,
I am having two wireless cards in my HP laptop. The internal one is a BCM43sx device, which is usually not in use.
The other one is an Atheros 9170 USB Stick. I've switched to this, because the BCM doesn't support 802.11n which is necessary for my broadband connection.
With the default installation the stick is working fine. But after an update and reboot to Kernel 3.0.x, the Adapter stopped working.
There is no trace about it's existence in iwconfig or network-manager. The only information is coming from lsusb:
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Bus 001 Device 004: ID 0cf3:1002 Atheros Communications, Inc. TP-Link TL-WN821N v2 802.11n [Atheros AR9170]
I'm currently running Kernel 2.6.39 to get the Atheros stick working.