My Lenovo Ideapad U160 is empowered with the famous not-to-work-out-of-the-box Broadcom BCM4313 PCI-ID 14e4:4727. This is how to get it to work with Ubuntu 12.10 Quantal.
Update: Using the ‘wl’ kernel module (propriatary one found in the package bcmwl-kernel-source), did the trick for some minutes. After that, all network connections will be dropped and no new connections can be established. With rmmod wl; modprobe wl; network was functioning again for some minutes. Using lspci -nn | grep -i wire -A6 I’ve found out, that there is a 2nd driver for this interface: brcmsmac. Using this module, the network stayed connected permanently.
1st: Blacklist the following modules by creating a new file /etc/modprobe.d/blacklist-local.conf and issue a update-initramfs -u:
- acer_wmi
- wl
2nd: Add the following line to /etc/modules
- brcmsmac
3rd: reboot.