Comment 17 for bug 130665

I can also confirm that a downgrade of linux-restricted-modules-2.6.22-14-generic 2.6.22.4-14.10 to 2.6.22.4-14.9 made Atheros-drivers work again:

dmesg:
....
[25370.152000] ath_rate_sample: 1.2 (0.9.3.2)
[25370.156000] wifi0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
[25370.156000] wifi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
[25370.156000] wifi0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
[25370.156000] wifi0: turboG rates: 6Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
[25370.156000] wifi0: H/W encryption support: WEP AES AES_CCM TKIP
[25370.156000] wifi0: mac 10.3 phy 6.1 radio 10.2
[25370.156000] wifi0: Use hw queue 1 for WME_AC_BE traffic
[25370.156000] wifi0: Use hw queue 0 for WME_AC_BK traffic
[25370.156000] wifi0: Use hw queue 2 for WME_AC_VI traffic
[25370.156000] wifi0: Use hw queue 3 for WME_AC_VO traffic
[25370.156000] wifi0: Use hw queue 8 for CAB traffic
[25370.156000] wifi0: Use hw queue 9 for beacons
[25370.160000] wifi0: Atheros 5424/2424: mem=0x90100000, irq=16