I had the same issue with a Dell Vostro 3560 with the same card. I created the /etc/modprobe.d/ath9k.conf file and the problem disappeared.
I'm running Ubuntu 12.04 64-bit 3.2.0-32-generic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/951709 Title: 168c:0032 Atheros AR9485 WiFi card on Acer Aspire One 722 works slow, sometimes crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/951709/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
