I was able to install 12.04 ok on my Acer eMachines, but whenever it is unplugged from the LAN connection, the whole system freezes. I've installed the latest updates and it's still behaving the same.
I am not sure where to start to troubleshoot the issue, anyone here has any idea?
Info about my network cards:
06:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01) 07:00.0 Ethernet controller: Atheros Communications Inc. AR8152 v2.0 Fast Ethernet (rev c1)
Bug reported here: https://bugs.launchpad.net/ubuntu/+source/linux-base/+bug/1006127