Hi > What chipset do you have? You can find this from dmesg after loading ath9k. > The chipset is AR9285 Rev: 2. I recompiled my kernel with atheros debugging support. Here is the output from after bringing up wlan0: Aug 24 21:13:16 localhost kernel: [ 323.948242] ath: Starting driver with initial channel: 2412 MHz Aug 24 21:13:16 localhost kernel: [ 323.949260] ath: FULL-SLEEP -> AWAKE Aug 24 21:13:16 localhost kernel: [ 323.955212] ath: PDADC (0, 0): a280 00000000 Aug 24 21:13:16 localhost kernel: [ 323.955216] ath: PDADC: Chain 0 | PDADC 0 Value 0 | PDADC 1 Value 0 | PDADC 2 Value 0 | PDADC 3 Value 0 | Aug 24 21:13:16 localhost kernel: [ 323.955223] ath: PDADC (0, 0): a284 02000000 Aug 24 21:13:16 localhost kernel: [ 323.955227] ath: PDADC: Chain 0 | PDADC 4 Value 0 | PDADC 5 Value 0 | PDADC 6 Value 0 | PDADC 7 Value 2 | Aug 24 21:13:16 localhost kernel: [ 323.955234] ath: PDADC (0, 0): a288 0a080604 Aug 24 21:13:16 localhost kernel: [ 323.955237] ath: PDADC: Chain 0 | PDADC 8 Value 4 | PDADC 9 Value 6 | PDADC 10 Value 8 | PDADC 11 Value 10 | Aug 24 21:13:16 localhost kernel: [ 323.955244] ath: PDADC (0, 0): a28c 12100e0c Aug 24 21:13:16 localhost kernel: [ 323.955247] ath: PDADC: Chain 0 | PDADC 12 Value 12 | PDADC 13 Value 14 | PDADC 14 Value 16 | PDADC 15 Value 18 | Aug 24 21:13:16 localhost kernel: [ 323.955254] ath: PDADC (0, 0): a290 1a181614 Aug 24 21:13:16 localhost kernel: [ 323.955257] ath: PDADC: Chain 0 | PDAAug 24 21:18:29 localhost kernel: [ 0.000000] Initializing cgroup subsys cpuset As you see, logging was interrupted in the middle of a line. Sometimes I can bring the interface up and down multiple times before freezing. -Bjørnar -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html