i can also confirm this is a bug / regression on ubuntu 11.04 i386/686 - 2.6.38-8-generic
worked better (not perfect but close) on ubuntu 10.04, now it's almost unusable.
This is on a Asus Eee PC 1005PE with:
02:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)
i can also confirm this is a bug / regression on ubuntu 11.04 i386/686 - 2.6.38-8-generic
worked better (not perfect but close) on ubuntu 10.04, now it's almost unusable.
This is on a Asus Eee PC 1005PE with:
02:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)