Hi Johannes, > > After a long debugging session with Reinette we finally tracked down > > what is going on here. A full scan with this card takes 7-9 seconds and > > that seems to be too long and trigger IEEE80211_MONITORING_INTERVAL > > which then deauthenticates us with the AP (reason=6). > > Note to everybody: _Please_ provide the exact output. This text above > makes it sound like we deauth from the AP, when in reality the AP has > deauth'ed us. > > Maybe your AP is just buggy and can't handle you going away for more > than a couple of seconds? It _looks_ like it sends you a deauth frame > while you're scanning (please verify using wireshark or similar), we > miss that deauth because we're off the channel, and then when we get > back and start sending data again the AP complains that we're no longer > authenticated. > > Sorry, but there's not enough information here to tell what really is > going wrong. The known bug shouldn't be able to cause this behaviour. so I had time to log the details now. I still have the problem that the association only works once. If it ever breaks it never works again. I hope this is not something stupid in the iwlagn driver for the 5350 hardware. This is from wpa_supplicant (latest version from GIT of course): CTRL-EVENT-SCAN-RESULTS CTRL-EVENT-SCAN-RESULTS WPS-AP-AVAILABLE Trying to authenticate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Trying to associate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Associated with 00:1f:3f:19:d8:b7 WPA: Key negotiation completed with 00:1f:3f:19:d8:b7 [PTK=CCMP GTK=CCMP] CTRL-EVENT-CONNECTED - Connection to 00:1f:3f:19:d8:b7 completed (auth) [id=0 id_str=] CTRL-EVENT-SCAN-RESULTS CTRL-EVENT-SCAN-RESULTS CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys CTRL-EVENT-SCAN-RESULTS Trying to authenticate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Trying to associate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Associated with 00:1f:3f:19:d8:b7 CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys CTRL-EVENT-SCAN-RESULTS Trying to authenticate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Trying to associate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Associated with 00:1f:3f:19:d8:b7 CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys CTRL-EVENT-SCAN-RESULTS Trying to authenticate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Trying to associate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Associated with 00:1f:3f:19:d8:b7 CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys CTRL-EVENT-SCAN-RESULTS Trying to authenticate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Trying to associate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Associated with 00:1f:3f:19:d8:b7 WPA: 4-Way Handshake failed - pre-shared key may be incorrect CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys CTRL-EVENT-SCAN-RESULTS Trying to authenticate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Trying to associate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Associated with 00:1f:3f:19:d8:b7 CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys CTRL-EVENT-SCAN-RESULTS Trying to authenticate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Trying to associate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Associated with 00:1f:3f:19:d8:b7 CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys CTRL-EVENT-SCAN-RESULTS Trying to authenticate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Trying to associate with 00:1f:3f:19:d8:b7 (SSID='Holtmann' freq=2462 MHz) Associated with 00:1f:3f:19:d8:b7 ^CCTRL-EVENT-TERMINATING - signal 2 received As you see it keeps scanning, authenticating, associating and then it never completes. And this is the debug output from the kernel side (latest wireless-testing with all debug options enabled): wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticated wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: RX AssocResp from 00:1f:3f:19:d8:b7 (capab=0x431 status=0 aid=2) wlan0: associated phy0: Allocated STA 00:1f:3f:19:d8:b7 phy0: Inserted STA 00:1f:3f:19:d8:b7 wmaster0: WMM queue=2 aci=0 acm=0 aifs=3 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=3 aci=1 acm=0 aifs=7 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=1 aci=2 acm=0 aifs=2 cWmin=7 cWmax=15 txop=94 wmaster0: WMM queue=0 aci=3 acm=0 aifs=2 cWmin=3 cWmax=7 txop=47 wlan0: switched to short barker preamble (BSSID=00:1f:3f:19:d8:b7) wlan0: switched to short slot time (BSSID=00:1f:3f:19:d8:b7) cfg80211: Calling CRDA for country: DE wlan0: beacon loss from AP 00:1f:3f:19:d8:b7 - sending probe request wlan0: beacon loss from AP 00:1f:3f:19:d8:b7 - sending probe request wlan0: no probe response from AP 00:1f:3f:19:d8:b7 - disassociating phy0: Removed STA 00:1f:3f:19:d8:b7 phy0: Destroyed STA 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticated wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: RX ReassocResp from 00:1f:3f:19:d8:b7 (capab=0x431 status=0 aid=2) wlan0: associated phy0: Allocated STA 00:1f:3f:19:d8:b7 phy0: Inserted STA 00:1f:3f:19:d8:b7 wmaster0: WMM queue=2 aci=0 acm=0 aifs=3 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=3 aci=1 acm=0 aifs=7 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=1 aci=2 acm=0 aifs=2 cWmin=7 cWmax=15 txop=94 wmaster0: WMM queue=0 aci=3 acm=0 aifs=2 cWmin=3 cWmax=7 txop=47 wlan0: switched to short barker preamble (BSSID=00:1f:3f:19:d8:b7) wlan0: switched to short slot time (BSSID=00:1f:3f:19:d8:b7) wlan0: deauthenticated (Reason: 2) phy0: Removed STA 00:1f:3f:19:d8:b7 phy0: Destroyed STA 00:1f:3f:19:d8:b7 wlan0: direct probe to AP 00:1f:3f:19:d8:b7 try 1 wlan0 direct probe responded wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticated wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: RX ReassocResp from 00:1f:3f:19:d8:b7 (capab=0x431 status=0 aid=2) wlan0: associated phy0: Allocated STA 00:1f:3f:19:d8:b7 phy0: Inserted STA 00:1f:3f:19:d8:b7 wmaster0: WMM queue=2 aci=0 acm=0 aifs=3 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=3 aci=1 acm=0 aifs=7 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=1 aci=2 acm=0 aifs=2 cWmin=7 cWmax=15 txop=94 wmaster0: WMM queue=0 aci=3 acm=0 aifs=2 cWmin=3 cWmax=7 txop=47 wlan0: switched to short barker preamble (BSSID=00:1f:3f:19:d8:b7) wlan0: switched to short slot time (BSSID=00:1f:3f:19:d8:b7) wlan0: deauthenticated (Reason: 2) phy0: Removed STA 00:1f:3f:19:d8:b7 phy0: Destroyed STA 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticated wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: RX ReassocResp from 00:1f:3f:19:d8:b7 (capab=0x431 status=0 aid=2) wlan0: associated phy0: Allocated STA 00:1f:3f:19:d8:b7 phy0: Inserted STA 00:1f:3f:19:d8:b7 wmaster0: WMM queue=2 aci=0 acm=0 aifs=3 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=3 aci=1 acm=0 aifs=7 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=1 aci=2 acm=0 aifs=2 cWmin=7 cWmax=15 txop=94 wmaster0: WMM queue=0 aci=3 acm=0 aifs=2 cWmin=3 cWmax=7 txop=47 wlan0: switched to short barker preamble (BSSID=00:1f:3f:19:d8:b7) wlan0: switched to short slot time (BSSID=00:1f:3f:19:d8:b7) wlan0: deauthenticated (Reason: 2) phy0: Removed STA 00:1f:3f:19:d8:b7 phy0: Destroyed STA 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticated wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: RX ReassocResp from 00:1f:3f:19:d8:b7 (capab=0x431 status=0 aid=2) wlan0: associated phy0: Allocated STA 00:1f:3f:19:d8:b7 phy0: Inserted STA 00:1f:3f:19:d8:b7 wmaster0: WMM queue=2 aci=0 acm=0 aifs=3 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=3 aci=1 acm=0 aifs=7 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=1 aci=2 acm=0 aifs=2 cWmin=7 cWmax=15 txop=94 wmaster0: WMM queue=0 aci=3 acm=0 aifs=2 cWmin=3 cWmax=7 txop=47 wlan0: switched to short barker preamble (BSSID=00:1f:3f:19:d8:b7) wlan0: switched to short slot time (BSSID=00:1f:3f:19:d8:b7) wlan0: deauthenticated (Reason: 2) phy0: Removed STA 00:1f:3f:19:d8:b7 phy0: Destroyed STA 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticated wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: RX ReassocResp from 00:1f:3f:19:d8:b7 (capab=0x431 status=0 aid=2) wlan0: associated phy0: Allocated STA 00:1f:3f:19:d8:b7 phy0: Inserted STA 00:1f:3f:19:d8:b7 wmaster0: WMM queue=2 aci=0 acm=0 aifs=3 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=3 aci=1 acm=0 aifs=7 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=1 aci=2 acm=0 aifs=2 cWmin=7 cWmax=15 txop=94 wmaster0: WMM queue=0 aci=3 acm=0 aifs=2 cWmin=3 cWmax=7 txop=47 wlan0: switched to short barker preamble (BSSID=00:1f:3f:19:d8:b7) wlan0: switched to short slot time (BSSID=00:1f:3f:19:d8:b7) wlan0: deauthenticated (Reason: 2) phy0: Removed STA 00:1f:3f:19:d8:b7 phy0: Destroyed STA 00:1f:3f:19:d8:b7 wlan0: direct probe to AP 00:1f:3f:19:d8:b7 try 1 wlan0: direct probe to AP 00:1f:3f:19:d8:b7 try 2 wlan0: direct probe to AP 00:1f:3f:19:d8:b7 try 3 wlan0 direct probe responded wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticated wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: RX ReassocResp from 00:1f:3f:19:d8:b7 (capab=0x431 status=0 aid=2) wlan0: associated phy0: Allocated STA 00:1f:3f:19:d8:b7 phy0: Inserted STA 00:1f:3f:19:d8:b7 wmaster0: WMM queue=2 aci=0 acm=0 aifs=3 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=3 aci=1 acm=0 aifs=7 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=1 aci=2 acm=0 aifs=2 cWmin=7 cWmax=15 txop=94 wmaster0: WMM queue=0 aci=3 acm=0 aifs=2 cWmin=3 cWmax=7 txop=47 wlan0: switched to short barker preamble (BSSID=00:1f:3f:19:d8:b7) wlan0: switched to short slot time (BSSID=00:1f:3f:19:d8:b7) wlan0: deauthenticated (Reason: 2) phy0: Removed STA 00:1f:3f:19:d8:b7 phy0: Destroyed STA 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticate with AP 00:1f:3f:19:d8:b7 wlan0: authenticated wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: associate with AP 00:1f:3f:19:d8:b7 wlan0: RX ReassocResp from 00:1f:3f:19:d8:b7 (capab=0x431 status=0 aid=2) wlan0: associated phy0: Allocated STA 00:1f:3f:19:d8:b7 phy0: Inserted STA 00:1f:3f:19:d8:b7 wmaster0: WMM queue=2 aci=0 acm=0 aifs=3 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=3 aci=1 acm=0 aifs=7 cWmin=15 cWmax=1023 txop=0 wmaster0: WMM queue=1 aci=2 acm=0 aifs=2 cWmin=7 cWmax=15 txop=94 wmaster0: WMM queue=0 aci=3 acm=0 aifs=2 cWmin=3 cWmax=7 txop=47 wlan0: switched to short barker preamble (BSSID=00:1f:3f:19:d8:b7) wlan0: switched to short slot time (BSSID=00:1f:3f:19:d8:b7) wlan0: deauthenticating by local choice (reason=3) phy0: Removed STA 00:1f:3f:19:d8:b7 phy0: Destroyed STA 00:1f:3f:19:d8:b7 Do you need anything else? I have really no idea what happens here and I like to get it fixed. Regards Marcel -- 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
