As requested on IRC, please try the following with the latest Precise kernel(After confirming the bug does not exist with the latest Oneiric kernel):
sudo modprobe -r iwlagn;sudo modprobe iwlagn 11n_disable=1
As requested on IRC, please try the following with the latest Precise kernel(After confirming the bug does not exist with the latest Oneiric kernel):
sudo modprobe -r iwlagn;sudo modprobe iwlagn 11n_disable=1