I've just installed Ubuntu on a old Toshiba Satellite Pro M50 with a ath5k and its exhibiting this problem as well. The workaround with nohwcrypt solves the problem. I won't be able to test this laptop much longer but thought it worth mentioning it too is an Askey built card:
04:02.0 Ethernet controller: Atheros Communications Inc. AR2413/AR2414 Wireless Network Adapter [AR5005G(S) 802.11bg] (rev 01) Subsystem: Askey Computer Corp. Device 7094 Flags: bus master, medium devsel, latency 168, IRQ 9 Memory at c0200000 (32-bit, non-prefetchable) [size=64K] Capabilities: [44] Power Management version 2 Kernel driver in use: ath5k Kernel modules: ath5k -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/568090 Title: ath5k should be loaded with nohwcrypt parameter To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/568090/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs