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

Thu Sep 30 17:19:19 UTC 2010

uname -a
Linux Ubuntu-Bernard 2.6.32-25-generic #44-Ubuntu SMP Fri Sep 17 20:26:08 UTC 2010 i686 GNU/Linux

Maybe a coincidence, but the network went down when someone other in the
house, disconnected her pc from the network?

Sep 30 19:07:49 Ubuntu-Bernard kernel: [  738.272105] phy0 ->
rt2500usb_set_device_state: Error - Device failed to enter state 1
(-16).

Sep 30 19:07:51 Ubuntu-Bernard kernel: [  740.184110] phy0 ->
rt2500usb_set_device_state: Error - Device failed to enter state 3
(-16).

Sep 30 19:07:53 Ubuntu-Bernard kernel: [  742.692094] No probe response
from AP 00:19:70:1d:51:99 after 500ms, disconnecting.

Sep 30 19:07:53 Ubuntu-Bernard wpa_supplicant[760]: CTRL-EVENT-
DISCONNECTED - Disconnect event - remove keys

Sep 30 19:07:53 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
supplicant connection state:  completed -> disconnected

Sep 30 19:07:53 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
supplicant connection state:  disconnected -> scanning

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 8 -> 3 (reason 11)

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
deactivating device (reason: 11).

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  (wlan0): canceled
DHCP transaction, dhcp client pid 1195

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <WARN>
check_one_route(): (wlan0) error -34 returned from rtnl_route_del():
Sucess#012

Sep 30 19:08:09 Ubuntu-Bernard avahi-daemon[664]: Withdrawing address
record for 192.168.1.10 on wlan0.

Sep 30 19:08:09 Ubuntu-Bernard avahi-daemon[664]: Leaving mDNS multicast
group on interface wlan0.IPv4 with address 192.168.1.10.

Sep 30 19:08:09 Ubuntu-Bernard avahi-daemon[664]: Interface wlan0.IPv4
no longer relevant for mDNS.

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) starting connection 'Auto MyNetwork'

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 3 -> 4 (reason 0)

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 1 of 5 (Device Prepare) scheduled...

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
supplicant connection state:  scanning -> disconnected

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 1 of 5 (Device Prepare) started...

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 2 of 5 (Device Configure) scheduled...

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 1 of 5 (Device Prepare) complete.

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 2 of 5 (Device Configure) starting...

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 4 -> 5 (reason 0)

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0/wireless): connection 'Auto MyNetwork' requires no security.  No
secrets needed.

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Config: added
'ssid' value 'MyNetwork'

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Config: added
'scan_ssid' value '1'

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Config: added
'key_mgmt' value 'NONE'

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 2 of 5 (Device Configure) complete.

Sep 30 19:08:09 Ubuntu-Bernard NetworkManager: <info>  Config: set
interface ap_scan to 1

Sep 30 19:08:13 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
supplicant connection state:  disconnected -> scanning

Sep 30 19:09:10 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0/wireless): association took too long, failing activation.

Sep 30 19:09:10 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 5 -> 9 (reason 11)

Sep 30 19:09:10 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) failed for access point (MyNetwork)

Sep 30 19:09:10 Ubuntu-Bernard NetworkManager: <info>  Marking
connection 'Auto MyNetwork' invalid.

Sep 30 19:09:10 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) failed.

Sep 30 19:09:10 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 9 -> 3 (reason 0)

Sep 30 19:09:10 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
deactivating device (reason: 0).

Sep 30 19:11:48 Ubuntu-Bernard kernel: [  977.447562] usb 1-2.4: USB disconnect, address 3

Sep 30 19:11:48 Ubuntu-Bernard avahi-daemon[664]: Withdrawing address
record for fe80::211:d8ff:fe8e:792d on wlan0.

Sep 30 19:11:48 Ubuntu-Bernard NetworkManager:    SCPlugin-Ifupdown:
devices removed (path:
/sys/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.4/1-2.4:1.0/net/wlan0,
iface: wlan0)

Sep 30 19:11:48 Ubuntu-Bernard NetworkManager: <info>  (wlan0): now
unmanaged

Sep 30 19:11:48 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 3 -> 1 (reason 36)

Sep 30 19:11:48 Ubuntu-Bernard NetworkManager: <info>  (wlan0): cleaning
up...

Sep 30 19:11:48 Ubuntu-Bernard NetworkManager: <info>  Unmanaged Device
found; state CONNECTED forced. (see
http://bugs.launchpad.net/bugs/191889)

Sep 30 19:11:48 Ubuntu-Bernard NetworkManager: <info>  Radio killswitch
/sys/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.4/1-2.4:1.0/ieee80211/phy0/rfkill0
disappeared

Sep 30 19:11:48 Ubuntu-Bernard wpa_supplicant[760]: Failed to disable
WPA in the driver.

Sep 30 19:11:51 Ubuntu-Bernard kernel: [  979.953369] usb 1-2.4: new
full speed USB device using uhci_hcd and address 4

Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.233042] usb 1-2.4:
configuration #1 chosen from 1 choice

Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.349677] cfg80211:
Disabling channel 2484 MHz on phy1 due to Country IE

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  Found wlan radio
killswitch rfkill1 (at
/sys/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.4/1-2.4:1.0/ieee80211/phy1/rfkill1)
(driver <unknown>)

Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.362236] phy1: Selected
rate control algorithm 'minstrel'

Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.367035] Registered led
device: rt2500usb-phy1::radio

Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.368925] Registered led
device: rt2500usb-phy1::quality

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager:    SCPlugin-Ifupdown:
devices added (path:
/sys/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.4/1-2.4:1.0/net/wlan0,
iface: wlan0)

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager:    SCPlugin-Ifupdown:
device added (path:
/sys/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.4/1-2.4:1.0/net/wlan0,
iface: wlan0): no ifupdown configuration found.

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): driver
supports SSID scans (scan_capa 0x01).

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): new
802.11 WiFi device (driver: 'rt2500usb')

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): exported
as /org/freedesktop/NetworkManager/Devices/1

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): now
managed

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 1 -> 2 (reason 2)

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): bringing
up device.

Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.707148]
ADDRCONF(NETDEV_UP): wlan0: link is not ready

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
preparing device.

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
deactivating device (reason: 2).

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
supplicant interface state:  starting -> ready

Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 2 -> 3 (reason 42)

Sep 30 19:11:51 Ubuntu-Bernard wpa_supplicant[760]: Failed to initiate
AP scan.

Sep 30 19:11:53 Ubuntu-Bernard wpa_supplicant[760]: WPS-AP-AVAILABLE

Sep 30 19:12:13 Ubuntu-Bernard wpa_supplicant[760]: WPS-AP-AVAILABLE

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) starting connection 'Auto MyNetwork'

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 3 -> 4 (reason 0)

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 1 of 5 (Device Prepare) scheduled...

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 1 of 5 (Device Prepare) started...

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 2 of 5 (Device Configure) scheduled...

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 1 of 5 (Device Prepare) complete.

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 2 of 5 (Device Configure) starting...

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 4 -> 5 (reason 0)

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0/wireless): connection 'Auto MyNetwork' requires no security.  No
secrets needed.

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Config: added
'ssid' value 'MyNetwork'

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Config: added
'scan_ssid' value '1'

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Config: added
'key_mgmt' value 'NONE'

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 2 of 5 (Device Configure) complete.

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Config: set
interface ap_scan to 1

Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
supplicant connection state:  inactive -> scanning

Sep 30 19:12:27 Ubuntu-Bernard wpa_supplicant[760]: WPS-AP-AVAILABLE

Sep 30 19:12:27 Ubuntu-Bernard wpa_supplicant[760]: Trying to associate
with 00:19:70:1d:51:99 (SSID='MyNetwork' freq=2412 MHz)

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
supplicant connection state:  scanning -> associating

Sep 30 19:12:27 Ubuntu-Bernard wpa_supplicant[760]: Association request
to the driver failed

Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.428598] wlan0:
deauthenticating from 00:19:70:1d:51:99 by local choice (reason=3)

Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.442560] wlan0: direct
probe to AP 00:19:70:1d:51:99 (try 1)

Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.445652] wlan0: direct
probe responded

Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.445667] wlan0:
authenticate with AP 00:19:70:1d:51:99 (try 1)

Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.448587] wlan0:
authenticated

Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.448645] wlan0: associate
with AP 00:19:70:1d:51:99 (try 1)

Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.451678] wlan0: RX
AssocResp from 00:19:70:1d:51:99 (capab=0x421 status=0 aid=1)

Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.451689] wlan0: associated

Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.467987]
ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

Sep 30 19:12:27 Ubuntu-Bernard wpa_supplicant[760]: Associated with
00:19:70:1d:51:99

Sep 30 19:12:27 Ubuntu-Bernard wpa_supplicant[760]: CTRL-EVENT-CONNECTED
- Connection to 00:19:70:1d:51:99 completed (auth) [id=0 id_str=]

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
supplicant connection state:  associating -> associated

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  (wlan0):
supplicant connection state:  associated -> completed

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0/wireless) Stage 2 of 5 (Device Configure) successful.  Connected
to wireless network 'MyNetwork'.

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 3 of 5 (IP Configure Start) scheduled.

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 3 of 5 (IP Configure Start) started...

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 5 -> 7 (reason 0)

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Beginning DHCP transaction (timeout in 45 seconds)

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  dhclient started
with pid 1660

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 4 of 5 (IP6 Configure Get) scheduled...

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 3 of 5 (IP Configure Start) complete.

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 4 of 5 (IP6 Configure Get) started...

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 4 of 5 (IP6 Configure Get) complete.

Sep 30 19:12:27 Ubuntu-Bernard dhclient: Internet Systems Consortium
DHCP Client V3.1.3

Sep 30 19:12:27 Ubuntu-Bernard dhclient: Copyright 2004-2009 Internet
Systems Consortium.

Sep 30 19:12:27 Ubuntu-Bernard dhclient: For info, please visit
https://www.isc.org/software/dhcp/

Sep 30 19:12:27 Ubuntu-Bernard dhclient:

Sep 30 19:12:27 Ubuntu-Bernard dhclient: Listening on
LPF/wlan0/00:11:d8:8e:79:2d

Sep 30 19:12:27 Ubuntu-Bernard dhclient: Sending on
LPF/wlan0/00:11:d8:8e:79:2d

Sep 30 19:12:27 Ubuntu-Bernard dhclient: Sending on   Socket/fallback

Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  DHCP: device
wlan0 state changed normal exit -> preinit

Sep 30 19:12:28 Ubuntu-Bernard dhclient: DHCPREQUEST of 192.168.1.10 on
wlan0 to 255.255.255.255 port 67

Sep 30 19:12:28 Ubuntu-Bernard dhclient: DHCPACK of 192.168.1.10 from
192.168.1.1

Sep 30 19:12:28 Ubuntu-Bernard dhclient: bound to 192.168.1.10 --
renewal in 37044 seconds.

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  DHCP: device
wlan0 state changed preinit -> reboot

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 4 of 5 (IP4 Configure Get) scheduled...

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 4 of 5 (IP4 Configure Get) started...

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    address
192.168.1.10

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    prefix 24
(255.255.255.0)

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    gateway
192.168.1.1

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    hostname
'Ubuntu-Bernard'

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    nameserver
'192.168.1.1'

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    domain name
'home'

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 5 of 5 (IP Configure Commit) scheduled...

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 4 of 5 (IP4 Configure Get) complete.

Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 5 of 5 (IP Configure Commit) started...

Sep 30 19:12:28 Ubuntu-Bernard avahi-daemon[664]: Joining mDNS multicast
group on interface wlan0.IPv4 with address 192.168.1.10.

Sep 30 19:12:28 Ubuntu-Bernard avahi-daemon[664]: New relevant interface
wlan0.IPv4 for mDNS.

Sep 30 19:12:28 Ubuntu-Bernard avahi-daemon[664]: Registering new
address record for 192.168.1.10 on wlan0.IPv4.

Sep 30 19:12:29 Ubuntu-Bernard avahi-daemon[664]: Registering new
address record for fe80::211:d8ff:fe8e:792d on wlan0.*.

Sep 30 19:12:29 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device
state change: 7 -> 8 (reason 0)

Sep 30 19:12:29 Ubuntu-Bernard NetworkManager: <info>  Policy set 'Auto
MyNetwork' (wlan0) as default for routing and DNS.

Sep 30 19:12:29 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) successful, device activated.

Sep 30 19:12:29 Ubuntu-Bernard NetworkManager: <info>  Activation
(wlan0) Stage 5 of 5 (IP Configure Commit) complete.

Sep 30 19:12:37 Ubuntu-Bernard ntpdate[1700]: adjust time server
91.189.94.4 offset -0.082855 sec

Sep 30 19:12:38 Ubuntu-Bernard kernel: [ 1026.884071] wlan0: no IPv6
routers present

   --- plugout usb-dongle ---

Sep 30 19:11:48 Ubuntu-Bernard kernel: [  977.447562] usb 1-2.4: USB disconnect, address 3
Sep 30 19:11:48 Ubuntu-Bernard avahi-daemon[664]: Withdrawing address record for fe80::211:d8ff:fe8e:792d on wlan0.
Sep 30 19:11:48 Ubuntu-Bernard NetworkManager:    SCPlugin-Ifupdown: devices removed (path: /sys/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.4/1-2.4:1.0/net/wlan0, iface: wlan0)
Sep 30 19:11:48 Ubuntu-Bernard NetworkManager: <info>  (wlan0): now unmanaged
Sep 30 19:11:48 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device state change: 3 -> 1 (reason 36)
Sep 30 19:11:48 Ubuntu-Bernard NetworkManager: <info>  (wlan0): cleaning up...
Sep 30 19:11:48 Ubuntu-Bernard NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889)
Sep 30 19:11:48 Ubuntu-Bernard NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889)
Sep 30 19:11:48 Ubuntu-Bernard NetworkManager: <info>  Radio killswitch /sys/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.4/1-2.4:1.0/ieee80211/phy0/rfkill0 disappeared
Sep 30 19:11:48 Ubuntu-Bernard wpa_supplicant[760]: Failed to disable WPA in the driver.

   ----- plug the dongle back in ----

Sep 30 19:11:51 Ubuntu-Bernard kernel: [  979.953369] usb 1-2.4: new full speed USB device using uhci_hcd and address 4
Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.233042] usb 1-2.4: configuration #1 chosen from 1 choice
Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.349677] cfg80211: Disabling channel 2484 MHz on phy1 due to Country IE
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  Found wlan radio killswitch rfkill1 (at /sys/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.4/1-2.4:1.0/ieee80211/phy1/rfkill1) (driver <unknown>)
Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.362236] phy1: Selected rate control algorithm 'minstrel'
Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.367035] Registered led device: rt2500usb-phy1::radio
Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.368925] Registered led device: rt2500usb-phy1::quality
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager:    SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.4/1-2.4:1.0/net/wlan0, iface: wlan0)
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager:    SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.4/1-2.4:1.0/net/wlan0, iface: wlan0): no ifupdown configuration found.
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): driver supports SSID scans (scan_capa 0x01).
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): new 802.11 WiFi device (driver: 'rt2500usb')
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): exported as /org/freedesktop/NetworkManager/Devices/1
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): now managed
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device state change: 1 -> 2 (reason 2)
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): bringing up device.
Sep 30 19:11:51 Ubuntu-Bernard kernel: [  980.707148] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): preparing device.
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): deactivating device (reason: 2).
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): supplicant interface state:  starting -> ready
Sep 30 19:11:51 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device state change: 2 -> 3 (reason 42)
Sep 30 19:11:51 Ubuntu-Bernard wpa_supplicant[760]: Failed to initiate AP scan.
Sep 30 19:11:53 Ubuntu-Bernard wpa_supplicant[760]: WPS-AP-AVAILABLE 
Sep 30 19:12:13 Ubuntu-Bernard wpa_supplicant[760]: WPS-AP-AVAILABLE 
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) starting connection 'Auto MyNetwork'
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device state change: 3 -> 4 (reason 0)
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled...
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) started...
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled...
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 1 of 5 (Device Prepare) complete.
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) starting...
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device state change: 4 -> 5 (reason 0)
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0/wireless): connection 'Auto MyNetwork' requires no security.  No secrets needed.
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Config: added 'ssid' value 'MyNetwork'
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Config: added 'scan_ssid' value '1'
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Config: added 'key_mgmt' value 'NONE'
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 2 of 5 (Device Configure) complete.
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  Config: set interface ap_scan to 1
Sep 30 19:12:26 Ubuntu-Bernard NetworkManager: <info>  (wlan0): supplicant connection state:  inactive -> scanning
Sep 30 19:12:27 Ubuntu-Bernard wpa_supplicant[760]: WPS-AP-AVAILABLE 
Sep 30 19:12:27 Ubuntu-Bernard wpa_supplicant[760]: Trying to associate with 00:19:70:1d:51:99 (SSID='MyNetwork' freq=2412 MHz)
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  (wlan0): supplicant connection state:  scanning -> associating
Sep 30 19:12:27 Ubuntu-Bernard wpa_supplicant[760]: Association request to the driver failed
Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.428598] wlan0: deauthenticating from 00:19:70:1d:51:99 by local choice (reason=3)
Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.442560] wlan0: direct probe to AP 00:19:70:1d:51:99 (try 1)
Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.445652] wlan0: direct probe responded
Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.445667] wlan0: authenticate with AP 00:19:70:1d:51:99 (try 1)
Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.448587] wlan0: authenticated
Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.448645] wlan0: associate with AP 00:19:70:1d:51:99 (try 1)
Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.451678] wlan0: RX AssocResp from 00:19:70:1d:51:99 (capab=0x421 status=0 aid=1)
Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.451689] wlan0: associated
Sep 30 19:12:27 Ubuntu-Bernard kernel: [ 1016.467987] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Sep 30 19:12:27 Ubuntu-Bernard wpa_supplicant[760]: Associated with 00:19:70:1d:51:99
Sep 30 19:12:27 Ubuntu-Bernard wpa_supplicant[760]: CTRL-EVENT-CONNECTED - Connection to 00:19:70:1d:51:99 completed (auth) [id=0 id_str=]
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  (wlan0): supplicant connection state:  associating -> associated
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  (wlan0): supplicant connection state:  associated -> completed
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0/wireless) Stage 2 of 5 (Device Configure) successful.  Connected to wireless network 'MyNetwork'.
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 3 of 5 (IP Configure Start) scheduled.
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 3 of 5 (IP Configure Start) started...
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device state change: 5 -> 7 (reason 0)
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Beginning DHCP transaction (timeout in 45 seconds)
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  dhclient started with pid 1660
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) scheduled...
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) started...
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) complete.
Sep 30 19:12:27 Ubuntu-Bernard dhclient: Internet Systems Consortium DHCP Client V3.1.3
Sep 30 19:12:27 Ubuntu-Bernard dhclient: Copyright 2004-2009 Internet Systems Consortium.
Sep 30 19:12:27 Ubuntu-Bernard dhclient: All rights reserved.
Sep 30 19:12:27 Ubuntu-Bernard dhclient: For info, please visit https://www.isc.org/software/dhcp/
Sep 30 19:12:27 Ubuntu-Bernard dhclient: 
Sep 30 19:12:27 Ubuntu-Bernard dhclient: Listening on LPF/wlan0/00:11:d8:8e:79:2d
Sep 30 19:12:27 Ubuntu-Bernard dhclient: Sending on   LPF/wlan0/00:11:d8:8e:79:2d
Sep 30 19:12:27 Ubuntu-Bernard dhclient: Sending on   Socket/fallback
Sep 30 19:12:27 Ubuntu-Bernard NetworkManager: <info>  DHCP: device wlan0 state changed normal exit -> preinit
Sep 30 19:12:28 Ubuntu-Bernard dhclient: DHCPREQUEST of 192.168.1.10 on wlan0 to 255.255.255.255 port 67
Sep 30 19:12:28 Ubuntu-Bernard dhclient: DHCPACK of 192.168.1.10 from 192.168.1.1
Sep 30 19:12:28 Ubuntu-Bernard dhclient: bound to 192.168.1.10 -- renewal in 37044 seconds.
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  DHCP: device wlan0 state changed preinit -> reboot
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) scheduled...
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) started...
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    address 192.168.1.10
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    prefix 24 (255.255.255.0)
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    gateway 192.168.1.1
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    hostname 'Ubuntu-Bernard'
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    nameserver '192.168.1.1'
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>    domain name 'home'
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 5 of 5 (IP Configure Commit) scheduled...
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) complete.
Sep 30 19:12:28 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 5 of 5 (IP Configure Commit) started...
Sep 30 19:12:28 Ubuntu-Bernard avahi-daemon[664]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.10.
Sep 30 19:12:28 Ubuntu-Bernard avahi-daemon[664]: New relevant interface wlan0.IPv4 for mDNS.
Sep 30 19:12:28 Ubuntu-Bernard avahi-daemon[664]: Registering new address record for 192.168.1.10 on wlan0.IPv4.
Sep 30 19:12:29 Ubuntu-Bernard avahi-daemon[664]: Registering new address record for fe80::211:d8ff:fe8e:792d on wlan0.*.
Sep 30 19:12:29 Ubuntu-Bernard NetworkManager: <info>  (wlan0): device state change: 7 -> 8 (reason 0)
Sep 30 19:12:29 Ubuntu-Bernard NetworkManager: <info>  Policy set 'Auto MyNetwork' (wlan0) as default for routing and DNS.
Sep 30 19:12:29 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) successful, device activated.
Sep 30 19:12:29 Ubuntu-Bernard NetworkManager: <info>  Activation (wlan0) Stage 5 of 5 (IP Configure Commit) complete.
Sep 30 19:12:37 Ubuntu-Bernard ntpdate[1700]: adjust time server 91.189.94.4 offset -0.082855 sec
Sep 30 19:12:38 Ubuntu-Bernard kernel: [ 1026.884071] wlan0: no IPv6 routers present

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