The ath5k in backports-modules worked much better than the one we have in the current ubuntu kernel but I think the new compat-wireless stack is making trouble. I had the same backtraces in my dmesg as they were mentioned in https://bugs.launchpad.net/ubuntu/+source/linux-restricted-modules/+bug/275423/comments/10 so I'm back at ath_pci.
The ath5k in backports-modules worked much better than the one we have in the current ubuntu kernel but I think the new compat-wireless stack is making trouble. I had the same backtraces in my dmesg as they were mentioned in https:/ /bugs.launchpad .net/ubuntu/ +source/ linux-restricte d-modules/ +bug/275423/ comments/ 10 so I'm back at ath_pci.