[Bug 599067] Re: Wireless network with usb-dongle (RT2500 usb) suddenly stops working

Bernard Decock 599067 at bugs.launchpad.net
Mon Sep 6 21:04:36 UTC 2010


I can confirm this problem on another pc (dell inspiron 5150) using the
same type of usb-dongle (Asus WL-167g USB wlan-adapter). The logging are
somewhat different, but the technique to get your wireless network
working again is the same (restart computer or plug the dongle out and
back in).

uname - a 
Linux bernard-laptop 2.6.32-24-generic #42-Ubuntu SMP Fri Aug 20 14:24:04 UTC 2010 i686 GNU/Linux

/var/log/btmp

Sep  6 22:27:27 bernard-laptop kernel: [   31.333727] wlan0: deauthenticating from 00:19:70:1d:51:99 by local choice (reason=3)
Sep  6 22:27:27 bernard-laptop kernel: [   31.339813] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:27:27 bernard-laptop kernel: [   31.342348] wlan0: direct probe responded
Sep  6 22:27:27 bernard-laptop kernel: [   31.342355] wlan0: authenticate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:27:27 bernard-laptop kernel: [   31.344831] wlan0: authenticated
Sep  6 22:27:27 bernard-laptop kernel: [   31.344859] wlan0: associate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:27:27 bernard-laptop kernel: [   31.347316] wlan0: RX AssocResp from 00:19:70:1d:51:99 (capab=0x421 status=0 aid=2)
Sep  6 22:27:27 bernard-laptop kernel: [   31.347321] wlan0: associated
Sep  6 22:27:27 bernard-laptop kernel: [   31.359605] cfg80211: Received country IE:
Sep  6 22:27:27 bernard-laptop kernel: [   31.359619] cfg80211: CRDA thinks this should applied:
Sep  6 22:27:27 bernard-laptop kernel: [   31.359637] cfg80211: We intersect both of these and get:
Sep  6 22:27:27 bernard-laptop kernel: [   31.359651] cfg80211: Disabling channel 2484 MHz on phy0 due to Country IE
Sep  6 22:27:35 bernard-laptop kernel: [   42.112019] wlan0: no IPv6 routers present
Sep  6 22:42:30 bernard-laptop kernel: [  936.680045] No probe response from AP 00:19:70:1d:51:99 after 500ms, disconnecting.
Sep  6 22:42:31 bernard-laptop kernel: [  937.780340] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:42:31 bernard-laptop kernel: [  937.980055] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 2)
Sep  6 22:42:31 bernard-laptop kernel: [  938.180058] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 3)
Sep  6 22:42:31 bernard-laptop kernel: [  938.380052] wlan0: direct probe to AP 00:19:70:1d:51:99 timed out
Sep  6 22:42:32 bernard-laptop NetworkManager: <debug> [1283805752.001167] periodic_update(): Roamed from BSSID 00:19:70:1D:51:99 (MyNetwork) to (none) ((none))
Sep  6 22:43:35 bernard-laptop kernel: [ 1001.995140] cfg80211: Disabling channel 2484 MHz on phy1 due to Country IE
Sep  6 22:43:35 bernard-laptop kernel: [ 1002.005176] phy1: Selected rate control algorithm 'minstrel'
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.225108] wlan0: deauthenticating from 00:19:70:1d:51:99 by local choice (reason=3)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.231678] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.235073] wlan0: direct probe responded
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.235084] wlan0: authenticate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.237336] wlan0: authenticated
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.237378] wlan0: associate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.239709] wlan0: RX AssocResp from 00:19:70:1d:51:99 (capab=0x421 status=0 aid=2)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.239717] wlan0: associated
Sep  6 22:43:53 bernard-laptop kernel: [ 1019.716033] wlan0: no IPv6 routers present

kernel-log
Sep  6 22:27:27 bernard-laptop kernel: [   31.333727] wlan0: deauthenticating from 00:19:70:1d:51:99 by local choice (reason=3)
Sep  6 22:27:27 bernard-laptop kernel: [   31.339813] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:27:27 bernard-laptop kernel: [   31.342348] wlan0: direct probe responded
Sep  6 22:27:27 bernard-laptop kernel: [   31.342355] wlan0: authenticate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:27:27 bernard-laptop kernel: [   31.344831] wlan0: authenticated
Sep  6 22:27:27 bernard-laptop kernel: [   31.344859] wlan0: associate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:27:27 bernard-laptop kernel: [   31.347316] wlan0: RX AssocResp from 00:19:70:1d:51:99 (capab=0x421 status=0 aid=2)
Sep  6 22:27:27 bernard-laptop kernel: [   31.347321] wlan0: associated
Sep  6 22:27:27 bernard-laptop kernel: [   31.351371] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Sep  6 22:27:27 bernard-laptop kernel: [   31.351438] cfg80211: Calling CRDA for country: BE
Sep  6 22:27:27 bernard-laptop kernel: [   31.359605] cfg80211: Received country IE:
Sep  6 22:27:27 bernard-laptop kernel: [   31.359611] cfg80211: Regulatory domain: BE
Sep  6 22:27:27 bernard-laptop kernel: [   31.359613] 	(start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359616] 	(2402000 KHz - 2494000 KHz @ 40000 KHz), (10000 mBi, 10000 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359619] cfg80211: CRDA thinks this should applied:
Sep  6 22:27:27 bernard-laptop kernel: [   31.359621] cfg80211: Regulatory domain: BE
Sep  6 22:27:27 bernard-laptop kernel: [   31.359623] 	(start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359626] 	(2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359629] 	(5170000 KHz - 5250000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359632] 	(5250000 KHz - 5330000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359634] 	(5490000 KHz - 5710000 KHz @ 40000 KHz), (N/A, 2700 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359637] cfg80211: We intersect both of these and get:
Sep  6 22:27:27 bernard-laptop kernel: [   31.359639] cfg80211: Regulatory domain: 98
Sep  6 22:27:27 bernard-laptop kernel: [   31.359641] 	(start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359644] 	(2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359651] cfg80211: Disabling channel 2484 MHz on phy0 due to Country IE
Sep  6 22:27:27 bernard-laptop kernel: [   31.359655] cfg80211: Current regulatory domain updated by AP to: BE
Sep  6 22:27:27 bernard-laptop kernel: [   31.359657] 	(start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359660] 	(2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Sep  6 22:27:35 bernard-laptop kernel: [   42.112019] wlan0: no IPv6 routers present
Sep  6 22:42:25 bernard-laptop kernel: [  931.720071] phy0 -> rt2500usb_set_device_state: Error - Device failed to enter state 3 (-16).
Sep  6 22:42:27 bernard-laptop kernel: [  934.180070] phy0 -> rt2500usb_set_device_state: Error - Device failed to enter state 3 (-16).
Sep  6 22:42:30 bernard-laptop kernel: [  936.680045] No probe response from AP 00:19:70:1d:51:99 after 500ms, disconnecting.
Sep  6 22:42:31 bernard-laptop kernel: [  937.780340] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:42:31 bernard-laptop kernel: [  937.980055] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 2)
Sep  6 22:42:31 bernard-laptop kernel: [  938.180058] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 3)
Sep  6 22:42:31 bernard-laptop kernel: [  938.380052] wlan0: direct probe to AP 00:19:70:1d:51:99 timed out
Sep  6 22:43:33 bernard-laptop kernel: [  999.656682] usb 1-3: USB disconnect, address 2
Sep  6 22:43:35 bernard-laptop kernel: [ 1001.592080] usb 1-3: new high speed USB device using ehci_hcd and address 3
Sep  6 22:43:35 bernard-laptop kernel: [ 1001.884133] usb 1-3: configuration #1 chosen from 1 choice
Sep  6 22:43:35 bernard-laptop kernel: [ 1001.995140] cfg80211: Disabling channel 2484 MHz on phy1 due to Country IE
Sep  6 22:43:35 bernard-laptop kernel: [ 1002.005176] phy1: Selected rate control algorithm 'minstrel'
Sep  6 22:43:35 bernard-laptop kernel: [ 1002.011323] Registered led device: rt2500usb-phy1::radio
Sep  6 22:43:35 bernard-laptop kernel: [ 1002.012933] Registered led device: rt2500usb-phy1::quality
Sep  6 22:43:35 bernard-laptop kernel: [ 1002.226557] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.225108] wlan0: deauthenticating from 00:19:70:1d:51:99 by local choice (reason=3)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.231678] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.235073] wlan0: direct probe responded
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.235084] wlan0: authenticate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.237336] wlan0: authenticated
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.237378] wlan0: associate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.239709] wlan0: RX AssocResp from 00:19:70:1d:51:99 (capab=0x421 status=0 aid=2)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.239717] wlan0: associated
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.245767] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Sep  6 22:43:53 bernard-laptop kernel: [ 1019.716033] wlan0: no IPv6 routers present

Syslog

Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Activation (wlan0) starting connection 'Auto MyNetwork'
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 3 -> 4 (reason 0)
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled...
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) started...
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled...
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) complete.
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) starting...
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 4 -> 5 (reason 0)
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Activation (wlan0/wireless): connection 'Auto MyNetwork' requires no security.  No secrets needed.
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Config: added 'ssid' value 'MyNetwork'
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Config: added 'scan_ssid' value '1'
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Config: added 'key_mgmt' value 'NONE'
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) complete.
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  Config: set interface ap_scan to 1
Sep  6 22:27:23 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  scanning -> disconnected
Sep  6 22:27:23 bernard-laptop rtkit-daemon[1182]: Sucessfully made thread 1203 of process 1179 (n/a) owned by '1000' RT at priority 5.
Sep  6 22:27:23 bernard-laptop rtkit-daemon[1182]: Supervising 2 threads of 1 processes of 1 users.
Sep  6 22:27:23 bernard-laptop rtkit-daemon[1182]: Sucessfully made thread 1210 of process 1179 (n/a) owned by '1000' RT at priority 5.
Sep  6 22:27:23 bernard-laptop rtkit-daemon[1182]: Supervising 3 threads of 1 processes of 1 users.
Sep  6 22:27:23 bernard-laptop rtkit-daemon[1182]: Sucessfully made thread 1232 of process 1232 (n/a) owned by '1000' high priority at nice level -11.
Sep  6 22:27:23 bernard-laptop rtkit-daemon[1182]: Supervising 4 threads of 2 processes of 1 users.
Sep  6 22:27:23 bernard-laptop pulseaudio[1232]: pid.c: Daemon already running.
Sep  6 22:27:26 bernard-laptop acpid: client connected from 1336[108:114]
Sep  6 22:27:26 bernard-laptop acpid: 1 client rule loaded
Sep  6 22:27:26 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  disconnected -> scanning
Sep  6 22:27:27 bernard-laptop wpa_supplicant[766]: WPS-AP-AVAILABLE 
Sep  6 22:27:27 bernard-laptop wpa_supplicant[766]: Trying to associate with 00:19:70:1d:51:99 (SSID='MyNetwork' freq=2412 MHz)
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  scanning -> associating
Sep  6 22:27:27 bernard-laptop wpa_supplicant[766]: Association request to the driver failed
Sep  6 22:27:27 bernard-laptop kernel: [   31.333727] wlan0: deauthenticating from 00:19:70:1d:51:99 by local choice (reason=3)
Sep  6 22:27:27 bernard-laptop kernel: [   31.339813] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:27:27 bernard-laptop kernel: [   31.342348] wlan0: direct probe responded
Sep  6 22:27:27 bernard-laptop kernel: [   31.342355] wlan0: authenticate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:27:27 bernard-laptop kernel: [   31.344831] wlan0: authenticated
Sep  6 22:27:27 bernard-laptop kernel: [   31.344859] wlan0: associate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:27:27 bernard-laptop kernel: [   31.347316] wlan0: RX AssocResp from 00:19:70:1d:51:99 (capab=0x421 status=0 aid=2)
Sep  6 22:27:27 bernard-laptop kernel: [   31.347321] wlan0: associated
Sep  6 22:27:27 bernard-laptop wpa_supplicant[766]: Associated with 00:19:70:1d:51:99
Sep  6 22:27:27 bernard-laptop kernel: [   31.351371] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Sep  6 22:27:27 bernard-laptop kernel: [   31.351438] cfg80211: Calling CRDA for country: BE
Sep  6 22:27:27 bernard-laptop wpa_supplicant[766]: CTRL-EVENT-CONNECTED - Connection to 00:19:70:1d:51:99 completed (auth) [id=0 id_str=]
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  associating -> associated
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  associated -> completed
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  Activation (wlan0/wireless) Stage 2 of 5 (Device Configure) successful.  Connected to wireless network 'MyNetwork'.
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 3 of 5 (IP Configure Start) scheduled.
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 3 of 5 (IP Configure Start) started...
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 5 -> 7 (reason 0)
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  Activation (wlan0) Beginning DHCP transaction (timeout in 45 seconds)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359605] cfg80211: Received country IE:
Sep  6 22:27:27 bernard-laptop kernel: [   31.359611] cfg80211: Regulatory domain: BE
Sep  6 22:27:27 bernard-laptop kernel: [   31.359613] 	(start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359616] 	(2402000 KHz - 2494000 KHz @ 40000 KHz), (10000 mBi, 10000 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359619] cfg80211: CRDA thinks this should applied:
Sep  6 22:27:27 bernard-laptop kernel: [   31.359621] cfg80211: Regulatory domain: BE
Sep  6 22:27:27 bernard-laptop kernel: [   31.359623] 	(start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359626] 	(2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359629] 	(5170000 KHz - 5250000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359632] 	(5250000 KHz - 5330000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359634] 	(5490000 KHz - 5710000 KHz @ 40000 KHz), (N/A, 2700 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359637] cfg80211: We intersect both of these and get:
Sep  6 22:27:27 bernard-laptop kernel: [   31.359639] cfg80211: Regulatory domain: 98
Sep  6 22:27:27 bernard-laptop kernel: [   31.359641] 	(start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359644] 	(2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359651] cfg80211: Disabling channel 2484 MHz on phy0 due to Country IE
Sep  6 22:27:27 bernard-laptop kernel: [   31.359655] cfg80211: Current regulatory domain updated by AP to: BE
Sep  6 22:27:27 bernard-laptop kernel: [   31.359657] 	(start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Sep  6 22:27:27 bernard-laptop kernel: [   31.359660] 	(2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  dhclient started with pid 1356
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) scheduled...
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) started...
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) complete.
Sep  6 22:27:27 bernard-laptop dhclient: Internet Systems Consortium DHCP Client V3.1.3
Sep  6 22:27:27 bernard-laptop dhclient: Copyright 2004-2009 Internet Systems Consortium.
Sep  6 22:27:27 bernard-laptop dhclient: All rights reserved.
Sep  6 22:27:27 bernard-laptop dhclient: For info, please visit https://www.isc.org/software/dhcp/
Sep  6 22:27:27 bernard-laptop dhclient: 
Sep  6 22:27:27 bernard-laptop NetworkManager: <info>  DHCP: device wlan0 state changed (null) -> preinit
Sep  6 22:27:27 bernard-laptop dhclient: Listening on LPF/wlan0/00:11:d8:8e:83:20
Sep  6 22:27:27 bernard-laptop dhclient: Sending on   LPF/wlan0/00:11:d8:8e:83:20
Sep  6 22:27:27 bernard-laptop dhclient: Sending on   Socket/fallback
Sep  6 22:27:29 bernard-laptop avahi-daemon[685]: Registering new address record for fe80::211:d8ff:fe8e:8320 on wlan0.*.
Sep  6 22:27:29 bernard-laptop pulseaudio[1179]: ratelimit.c: 1 events suppressed
Sep  6 22:27:30 bernard-laptop dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7
Sep  6 22:27:32 bernard-laptop dhclient: DHCPOFFER of 192.168.1.13 from 192.168.1.1
Sep  6 22:27:32 bernard-laptop dhclient: DHCPREQUEST of 192.168.1.13 on wlan0 to 255.255.255.255 port 67
Sep  6 22:27:32 bernard-laptop dhclient: DHCPACK of 192.168.1.13 from 192.168.1.1
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>  DHCP: device wlan0 state changed preinit -> bound
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) scheduled...
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) started...
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>    address 192.168.1.13
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>    prefix 24 (255.255.255.0)
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>    gateway 192.168.1.1
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>    hostname 'bernard-laptop'
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>    nameserver '192.168.1.1'
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>    domain name 'home'
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 5 of 5 (IP Configure Commit) scheduled...
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) complete.
Sep  6 22:27:32 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 5 of 5 (IP Configure Commit) started...
Sep  6 22:27:32 bernard-laptop avahi-daemon[685]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.13.
Sep  6 22:27:32 bernard-laptop avahi-daemon[685]: New relevant interface wlan0.IPv4 for mDNS.
Sep  6 22:27:32 bernard-laptop avahi-daemon[685]: Registering new address record for 192.168.1.13 on wlan0.IPv4.
Sep  6 22:27:32 bernard-laptop dhclient: bound to 192.168.1.13 -- renewal in 38366 seconds.
Sep  6 22:27:33 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 7 -> 8 (reason 0)
Sep  6 22:27:33 bernard-laptop NetworkManager: <info>  Policy set 'Auto MyNetwork' (wlan0) as default for routing and DNS.
Sep  6 22:27:33 bernard-laptop NetworkManager: <info>  Activation (wlan0) successful, device activated.
Sep  6 22:27:33 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 5 of 5 (IP Configure Commit) complete.
Sep  6 22:27:35 bernard-laptop ntpdate[1422]: step time server 91.189.94.4 offset -2.613861 sec
Sep  6 22:27:35 bernard-laptop kernel: [   42.112019] wlan0: no IPv6 routers present
Sep  6 22:28:28 bernard-laptop AptDaemon: INFO: Initializing daemon
Sep  6 22:33:29 bernard-laptop AptDaemon: INFO: Quiting due to inactivity
Sep  6 22:33:29 bernard-laptop AptDaemon: INFO: Shutdown was requested
Sep  6 22:42:25 bernard-laptop kernel: [  931.720071] phy0 -> rt2500usb_set_device_state: Error - Device failed to enter state 3 (-16).
Sep  6 22:42:27 bernard-laptop kernel: [  934.180070] phy0 -> rt2500usb_set_device_state: Error - Device failed to enter state 3 (-16).
Sep  6 22:42:30 bernard-laptop kernel: [  936.680045] No probe response from AP 00:19:70:1d:51:99 after 500ms, disconnecting.
Sep  6 22:42:30 bernard-laptop wpa_supplicant[766]: CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys
Sep  6 22:42:30 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  completed -> disconnected
Sep  6 22:42:30 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  disconnected -> scanning
Sep  6 22:42:31 bernard-laptop wpa_supplicant[766]: Trying to associate with 00:19:70:1d:51:99 (SSID='MyNetwork' freq=2412 MHz)
Sep  6 22:42:31 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  scanning -> associating
Sep  6 22:42:31 bernard-laptop wpa_supplicant[766]: Association request to the driver failed
Sep  6 22:42:31 bernard-laptop kernel: [  937.780340] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:42:31 bernard-laptop kernel: [  937.980055] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 2)
Sep  6 22:42:31 bernard-laptop kernel: [  938.180058] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 3)
Sep  6 22:42:31 bernard-laptop kernel: [  938.380052] wlan0: direct probe to AP 00:19:70:1d:51:99 timed out
Sep  6 22:42:32 bernard-laptop NetworkManager: <debug> [1283805752.001167] periodic_update(): Roamed from BSSID 00:19:70:1D:51:99 (MyNetwork) to (none) ((none))
Sep  6 22:42:36 bernard-laptop wpa_supplicant[766]: Authentication with 00:19:70:1d:51:99 timed out.
Sep  6 22:42:36 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  associating -> disconnected
Sep  6 22:42:36 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  disconnected -> scanning
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 8 -> 3 (reason 11)
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  (wlan0): deactivating device (reason: 11).
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  (wlan0): canceled DHCP transaction, dhcp client pid 1356
Sep  6 22:42:45 bernard-laptop NetworkManager: <WARN>  check_one_route(): (wlan0) error -34 returned from rtnl_route_del(): Sucess#012
Sep  6 22:42:45 bernard-laptop avahi-daemon[685]: Withdrawing address record for 192.168.1.13 on wlan0.
Sep  6 22:42:45 bernard-laptop avahi-daemon[685]: Leaving mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.13.
Sep  6 22:42:45 bernard-laptop avahi-daemon[685]: Interface wlan0.IPv4 no longer relevant for mDNS.
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Activation (wlan0) starting connection 'Auto MyNetwork'
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 3 -> 4 (reason 0)
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled...
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  scanning -> disconnected
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) started...
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled...
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) complete.
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) starting...
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 4 -> 5 (reason 0)
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Activation (wlan0/wireless): connection 'Auto MyNetwork' requires no security.  No secrets needed.
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Config: added 'ssid' value 'MyNetwork'
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Config: added 'scan_ssid' value '1'
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Config: added 'key_mgmt' value 'NONE'
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) complete.
Sep  6 22:42:45 bernard-laptop NetworkManager: <info>  Config: set interface ap_scan to 1
Sep  6 22:42:48 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  disconnected -> scanning
Sep  6 22:43:33 bernard-laptop kernel: [  999.656682] usb 1-3: USB disconnect, address 2
Sep  6 22:43:33 bernard-laptop avahi-daemon[685]: Withdrawing address record for fe80::211:d8ff:fe8e:8320 on wlan0.
Sep  6 22:43:33 bernard-laptop NetworkManager:    SCPlugin-Ifupdown: devices removed (path: /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/net/wlan0, iface: wlan0)
Sep  6 22:43:33 bernard-laptop NetworkManager: <info>  (wlan0): now unmanaged
Sep  6 22:43:33 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 5 -> 1 (reason 36)
Sep  6 22:43:33 bernard-laptop NetworkManager: <info>  (wlan0): deactivating device (reason: 36).
Sep  6 22:43:33 bernard-laptop NetworkManager: <info>  (wlan0): cleaning up...
Sep  6 22:43:33 bernard-laptop NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889)
Sep  6 22:43:33 bernard-laptop NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889)
Sep  6 22:43:33 bernard-laptop wpa_supplicant[766]: Failed to disable WPA in the driver.
Sep  6 22:43:33 bernard-laptop NetworkManager: <info>  Radio killswitch /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/ieee80211/phy0/rfkill0 disappeared
Sep  6 22:43:35 bernard-laptop kernel: [ 1001.592080] usb 1-3: new high speed USB device using ehci_hcd and address 3
Sep  6 22:43:35 bernard-laptop kernel: [ 1001.884133] usb 1-3: configuration #1 chosen from 1 choice
Sep  6 22:43:35 bernard-laptop kernel: [ 1001.995140] cfg80211: Disabling channel 2484 MHz on phy1 due to Country IE
Sep  6 22:43:35 bernard-laptop NetworkManager: <info>  Found wlan radio killswitch rfkill1 (at /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/ieee80211/phy1/rfkill1) (driver <unknown>)
Sep  6 22:43:35 bernard-laptop kernel: [ 1002.005176] phy1: Selected rate control algorithm 'minstrel'
Sep  6 22:43:35 bernard-laptop kernel: [ 1002.011323] Registered led device: rt2500usb-phy1::radio
Sep  6 22:43:35 bernard-laptop kernel: [ 1002.012933] Registered led device: rt2500usb-phy1::quality
Sep  6 22:43:35 bernard-laptop NetworkManager:    SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/net/wlan0, iface: wlan0)
Sep  6 22:43:35 bernard-laptop NetworkManager:    SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/net/wlan0, iface: wlan0): no ifupdown configuration found.
Sep  6 22:43:35 bernard-laptop NetworkManager: <info>  (wlan0): driver supports SSID scans (scan_capa 0x01).
Sep  6 22:43:35 bernard-laptop NetworkManager: <info>  (wlan0): new 802.11 WiFi device (driver: 'rt2500usb')
Sep  6 22:43:35 bernard-laptop NetworkManager: <info>  (wlan0): exported as /org/freedesktop/NetworkManager/Devices/2
Sep  6 22:43:35 bernard-laptop NetworkManager: <info>  (wlan0): now managed
Sep  6 22:43:35 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 1 -> 2 (reason 2)
Sep  6 22:43:35 bernard-laptop NetworkManager: <info>  (wlan0): bringing up device.
Sep  6 22:43:35 bernard-laptop NetworkManager: <info>  (wlan0): preparing device.
Sep  6 22:43:35 bernard-laptop NetworkManager: <info>  (wlan0): deactivating device (reason: 2).
Sep  6 22:43:35 bernard-laptop kernel: [ 1002.226557] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Sep  6 22:43:35 bernard-laptop NetworkManager: <info>  (wlan0): supplicant interface state:  starting -> ready
Sep  6 22:43:35 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 2 -> 3 (reason 42)
Sep  6 22:43:35 bernard-laptop wpa_supplicant[766]: Failed to initiate AP scan.
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Activation (wlan0) starting connection 'Auto MyNetwork'
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 3 -> 4 (reason 0)
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled...
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) started...
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled...
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) complete.
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) starting...
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 4 -> 5 (reason 0)
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Activation (wlan0/wireless): connection 'Auto MyNetwork' requires no security.  No secrets needed.
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Config: added 'ssid' value 'MyNetwork'
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Config: added 'scan_ssid' value '1'
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Config: added 'key_mgmt' value 'NONE'
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) complete.
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  scanning -> disconnected
Sep  6 22:43:36 bernard-laptop NetworkManager: <info>  Config: set interface ap_scan to 1
Sep  6 22:43:41 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  disconnected -> scanning
Sep  6 22:43:42 bernard-laptop wpa_supplicant[766]: Trying to associate with 00:19:70:1d:51:99 (SSID='MyNetwork' freq=2412 MHz)
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  scanning -> associating
Sep  6 22:43:42 bernard-laptop wpa_supplicant[766]: Association request to the driver failed
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.225108] wlan0: deauthenticating from 00:19:70:1d:51:99 by local choice (reason=3)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.231678] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.235073] wlan0: direct probe responded
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.235084] wlan0: authenticate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.237336] wlan0: authenticated
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.237378] wlan0: associate with AP 00:19:70:1d:51:99 (try 1)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.239709] wlan0: RX AssocResp from 00:19:70:1d:51:99 (capab=0x421 status=0 aid=2)
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.239717] wlan0: associated
Sep  6 22:43:42 bernard-laptop wpa_supplicant[766]: Associated with 00:19:70:1d:51:99
Sep  6 22:43:42 bernard-laptop wpa_supplicant[766]: CTRL-EVENT-CONNECTED - Connection to 00:19:70:1d:51:99 completed (auth) [id=0 id_str=]
Sep  6 22:43:42 bernard-laptop kernel: [ 1009.245767] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  associating -> associated
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  (wlan0): supplicant connection state:  associated -> completed
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  Activation (wlan0/wireless) Stage 2 of 5 (Device Configure) successful.  Connected to wireless network 'MyNetwork'.
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 3 of 5 (IP Configure Start) scheduled.
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 3 of 5 (IP Configure Start) started...
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 5 -> 7 (reason 0)
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  Activation (wlan0) Beginning DHCP transaction (timeout in 45 seconds)
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  dhclient started with pid 1621
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) scheduled...
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) started...
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) complete.
Sep  6 22:43:42 bernard-laptop dhclient: Internet Systems Consortium DHCP Client V3.1.3
Sep  6 22:43:42 bernard-laptop dhclient: Copyright 2004-2009 Internet Systems Consortium.
Sep  6 22:43:42 bernard-laptop dhclient: All rights reserved.
Sep  6 22:43:42 bernard-laptop dhclient: For info, please visit https://www.isc.org/software/dhcp/
Sep  6 22:43:42 bernard-laptop dhclient: 
Sep  6 22:43:42 bernard-laptop dhclient: Listening on LPF/wlan0/00:11:d8:8e:83:20
Sep  6 22:43:42 bernard-laptop dhclient: Sending on   LPF/wlan0/00:11:d8:8e:83:20
Sep  6 22:43:42 bernard-laptop dhclient: Sending on   Socket/fallback
Sep  6 22:43:42 bernard-laptop NetworkManager: <info>  DHCP: device wlan0 state changed normal exit -> preinit
Sep  6 22:43:44 bernard-laptop avahi-daemon[685]: Registering new address record for fe80::211:d8ff:fe8e:8320 on wlan0.*.
Sep  6 22:43:46 bernard-laptop dhclient: DHCPREQUEST of 192.168.1.13 on wlan0 to 255.255.255.255 port 67
Sep  6 22:43:46 bernard-laptop dhclient: DHCPACK of 192.168.1.13 from 192.168.1.1
Sep  6 22:43:46 bernard-laptop dhclient: bound to 192.168.1.13 -- renewal in 40090 seconds.
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>  DHCP: device wlan0 state changed preinit -> reboot
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) scheduled...
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) started...
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>    address 192.168.1.13
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>    prefix 24 (255.255.255.0)
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>    gateway 192.168.1.1
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>    hostname 'bernard-laptop'
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>    nameserver '192.168.1.1'
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>    domain name 'home'
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 5 of 5 (IP Configure Commit) scheduled...
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) complete.
Sep  6 22:43:46 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 5 of 5 (IP Configure Commit) started...
Sep  6 22:43:46 bernard-laptop avahi-daemon[685]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.13.
Sep  6 22:43:46 bernard-laptop avahi-daemon[685]: New relevant interface wlan0.IPv4 for mDNS.
Sep  6 22:43:46 bernard-laptop avahi-daemon[685]: Registering new address record for 192.168.1.13 on wlan0.IPv4.
Sep  6 22:43:47 bernard-laptop NetworkManager: <info>  (wlan0): device state change: 7 -> 8 (reason 0)
Sep  6 22:43:47 bernard-laptop NetworkManager: <info>  Policy set 'Auto MyNetwork' (wlan0) as default for routing and DNS.
Sep  6 22:43:47 bernard-laptop NetworkManager: <info>  Activation (wlan0) successful, device activated.
Sep  6 22:43:47 bernard-laptop NetworkManager: <info>  Activation (wlan0) Stage 5 of 5 (IP Configure Commit) complete.
Sep  6 22:43:49 bernard-laptop ntpdate[1663]: adjust time server 91.189.94.4 offset -0.016947 sec
Sep  6 22:43:53 bernard-laptop kernel: [ 1019.716033] wlan0: no IPv6 routers present

-- 
Wireless network with usb-dongle (RT2500 usb) suddenly stops working
https://bugs.launchpad.net/bugs/599067
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