So I tried to switch my AP to 802.11b only mode while associated: Jan 27 14:00:43 morte [155681.801606] wlan0: RX deauthentication from 00:14:c1:35:8d:eb (reason=7) Jan 27 14:00:43 morte [155681.801617] wlan0: deauthenticated Jan 27 14:00:43 morte [155681.802802] wlan0: RX deauthentication from 00:14:c1:35:8d:eb (reason=7) Jan 27 14:00:43 morte [155681.804121] wlan0: RX deauthentication from 00:14:c1:35:8d:eb (reason=7) Jan 27 14:00:44 morte [155682.802888] wlan0: authenticate with AP 00:14:c1:35:8d:eb Jan 27 14:00:44 morte [155682.805754] wlan0: RX authentication from 00:14:c1:35:8d:eb (alg=0 transaction=2 status=0) Jan 27 14:00:44 morte [155682.805765] wlan0: authenticated Jan 27 14:00:44 morte [155682.805773] wlan0: associate with AP 00:14:c1:35:8d:eb Jan 27 14:00:44 morte [155682.807605] wlan0: RX ReassocResp from 00:14:c1:35:8d:eb (capab=0x1 status=0 aid=2) Jan 27 14:00:44 morte [155682.807616] wlan0: associated Jan 27 14:00:44 morte [155682.807629] wlan0: CTS protection enabled (BSSID=00:14:c1:35:8d:eb) Jan 27 14:00:44 morte [155682.807638] wlan0: switched to long barker preamble (BSSID=00:14:c1:35:8d:eb) Jan 27 14:00:44 morte [155682.836860] phy1: HW CONFIG: freq=2412 Jan 27 14:00:44 morte [155682.905834] phy1: HW CONFIG: freq=2417 Jan 27 14:00:45 morte [155682.974769] phy1: HW CONFIG: freq=2422 Jan 27 14:00:45 morte [155683.044555] phy1: HW CONFIG: freq=2427 Jan 27 14:00:45 morte [155683.112670] phy1: HW CONFIG: freq=2432 Jan 27 14:00:45 morte [155683.185615] phy1: HW CONFIG: freq=2437 Jan 27 14:00:45 morte [155683.254569] phy1: HW CONFIG: freq=2442 Jan 27 14:00:45 morte [155683.323524] phy1: HW CONFIG: freq=2447 Jan 27 14:00:45 morte [155683.393472] phy1: HW CONFIG: freq=2452 Jan 27 14:00:45 morte [155683.463473] phy1: HW CONFIG: freq=2457 Jan 27 14:00:45 morte [155683.532372] phy1: HW CONFIG: freq=2462 Jan 27 14:00:45 morte [155683.601635] phy1: HW CONFIG: freq=2462 Jan 27 14:01:42 morte [155740.006762] phy1: HW CONFIG: freq=2462 Jan 27 14:01:42 morte [155740.006803] wlan0: Initial auth_alg=0 Jan 27 14:01:42 morte [155740.006817] wlan0: authenticate with AP 00:14:c1:35:8d:eb Jan 27 14:01:42 morte [155740.009325] wlan0: RX authentication from 00:14:c1:35:8d:eb (alg=0 transaction=2 status=0) Jan 27 14:01:42 morte [155740.009336] wlan0: authenticated Jan 27 14:01:42 morte [155740.009343] wlan0: associate with AP 00:14:c1:35:8d:eb Jan 27 14:01:42 morte [155740.020796] wlan0: RX ReassocResp from 00:14:c1:35:8d:eb (capab=0x1 status=0 aid=2) Jan 27 14:01:42 morte [155740.020806] wlan0: associated Everything fine so far. Then, I wanted to unload mac80211, so I unloaded b43: Jan 27 14:01:52 morte [155750.360286] b43-phy1 debug: Removing Interface type 2 Jan 27 14:01:52 morte [155750.412133] b43-phy1 debug: Wireless interface stopped Jan 27 14:01:52 morte [155750.412331] b43-phy1 debug: DMA-32 0x0200 (RX) max used slots: 2/64 Jan 27 14:01:52 morte [155750.412462] b43-phy1 debug: DMA-32 0x02A0 (TX) max used slots: 0/128 Jan 27 14:01:52 morte [155750.414389] b43-phy1 debug: DMA-32 0x0280 (TX) max used slots: 0/128 Jan 27 14:01:52 morte [155750.416248] b43-phy1 debug: DMA-32 0x0260 (TX) max used slots: 0/128 Jan 27 14:01:52 morte [155750.418243] b43-phy1 debug: DMA-32 0x0240 (TX) max used slots: 0/128 Jan 27 14:01:52 morte [155750.420245] b43-phy1 debug: DMA-32 0x0220 (TX) max used slots: 128/128 Jan 27 14:01:52 morte [155750.422242] b43-phy1 debug: DMA-32 0x0200 (TX) max used slots: 0/128 Still fine. Then, I unloaded mac80211, but: Jan 27 14:01:52 morte [155750.497798] phy1: Removed STA 00:14:c1:35:8d:eb Jan 27 14:02:02 morte [155760.685067] unregister_netdevice: waiting for wlan0 to become free. Usage count = 1 Jan 27 14:02:12 morte [155770.782896] unregister_netdevice: waiting for wlan0 to become free. Usage count = 1 Jan 27 14:02:22 morte [155780.872092] unregister_netdevice: waiting for wlan0 to become free. Usage count = 1 Jan 27 14:02:33 morte [155790.960683] unregister_netdevice: waiting for wlan0 to become free. Usage count = 1 And even rmmod -f couldn't do that. Johannes, any clue? -- Ciao Stefano - 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
