ubuntu14.04 on T460 thinkpad, wifi doesn't work

ubuntu14.04:

sudo apt-get install linux-generic-lts-wily

ubuntu15.10:

wget http://mirrors.kernel.org/ubuntu/pool/main/l/linux-firmware/linux-firmware_1.156_all.deb
sudo dpkg -i linux-firmware_1.156_all.deb

经验证好用