>From the syslog:
> Oct 13 10:07:19 w2 NetworkManager: <info> WiFi disabled by radio killswitch;
> disabled by state file
Try this:
sudo rfkill unblock all
and reboot.
Still a bug in Ubuntu 12.04?
** Summary changed:
- wifi connection via shell works, but Network-Manager stopped detecting my
wifi-card recently
+ NetworkManager does not configure wireless interface; iwconfig and dhclient
can do it -- iwl3945
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https://bugs.launchpad.net/bugs/659744
Title:
NetworkManager does not configure wireless interface; iwconfig and
dhclient can do it -- iwl3945
Status in “network-manager” package in Ubuntu:
New
Bug description:
Binary package hint: network-manager
My wlan-card is correct recognized.
# lshw -C network
*-network
description: Wireless interface
product: PRO/Wireless 3945ABG [Golan] Network Connection
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:0c:00.0
logical name: wlan0
version: 02
serial: 00:1c:bf:4a:4c:8e
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical
wireless
configuration: broadcast=yes driver=iwl3945 ip=134.95.92.180 latency=0
multicast=yes wireless=IEEE 802.11abg
resources: irq:29 memory:f9fff000-f9ffffff
and I am able to connect to the internet via
# ifconfig wlan0 up
# iwconfig wlan0 essid <essid>
# dhclient wlan0
But in my nm-applet my wifi card is not detected, the problem occurs first in
the last 2 weeks, but rebooting solved it.
Today the rebooting workaround stops working. Updated all packets today, I'm
still using Ubuntu 10-04.
After calling
# restart network-manager
this is added to /var/log/syslog:
Oct 13 10:07:18 w2 NetworkManager: <WARN> nm_signal_handler(): Caught signal
15, shutting down normally.
Oct 13 10:07:18 w2 NetworkManager: <info> (eth0): cleaning up...
Oct 13 10:07:18 w2 NetworkManager: <info> (eth0): taking down device.
Oct 13 10:07:19 w2 kernel: [ 1474.383084] tg3 0000:09:00.0: PME# enabled
Oct 13 10:07:19 w2 NetworkManager: <info> exiting (success)
Oct 13 10:07:19 w2 NetworkManager: <info> starting...
Oct 13 10:07:19 w2 NetworkManager: <info> modem-manager is now available
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: init!
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown:
update_system_hostname
Oct 13 10:07:19 w2 NetworkManager: SCPluginIfupdown: management mode:
unmanaged
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: devices added (path:
/sys/devices/pci0000:00/0000:00:1c.1/0000:0c:00.0/net/wlan0, iface: wlan0)
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: device added (path:
/sys/devices/pci0000:00/0000:00:1c.1/0000:0c:00.0/net/wlan0, iface: wlan0): no
ifupdown configuration found.
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: devices added (path:
/sys/devices/pci0000:00/0000:00:1c.5/0000:09:00.0/net/eth0, iface: eth0)
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: device added (path:
/sys/devices/pci0000:00/0000:00:1c.5/0000:09:00.0/net/eth0, iface: eth0): no
ifupdown configuration found.
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: devices added (path:
/sys/devices/virtual/net/lo, iface: lo)
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: device added (path:
/sys/devices/virtual/net/lo, iface: lo): no ifupdown configuration found.
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: devices added (path:
/sys/devices/virtual/net/pan0, iface: pan0)
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: device added (path:
/sys/devices/virtual/net/pan0, iface: pan0): no ifupdown configuration found.
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: end _init.
Oct 13 10:07:19 w2 NetworkManager: Loaded plugin ifupdown: (C) 2008 Canonical
Ltd. To report bugs please use the NetworkManager mailing list.
Oct 13 10:07:19 w2 NetworkManager: Loaded plugin keyfile: (c) 2007 - 2008 Red
Hat, Inc. To report bugs please use the NetworkManager mailing list.
Oct 13 10:07:19 w2 NetworkManager: <info> Found wlan radio killswitch
rfkill3 (at
/sys/devices/pci0000:00/0000:00:1c.1/0000:0c:00.0/ieee80211/phy0/rfkill3)
(driver <unknown>)
Oct 13 10:07:19 w2 NetworkManager: <info> Found wlan radio killswitch
rfkill0 (at /sys/devices/virtual/rfkill/rfkill0) (driver <unknown>)
Oct 13 10:07:19 w2 NetworkManager: <info> WiFi disabled by radio killswitch;
disabled by state file
Oct 13 10:07:19 w2 NetworkManager: <info> WWAN enabled by radio killswitch;
enabled by state file
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: (14129440) ...
get_connections.
Oct 13 10:07:19 w2 NetworkManager: SCPlugin-Ifupdown: (14129440) ...
get_connections (managed=false): return empty list.
Oct 13 10:07:19 w2 NetworkManager: Ifupdown: get unmanaged devices count: 0
Oct 13 10:07:19 w2 NetworkManager: <info> (wlan0): driver supports SSID
scans (scan_capa 0x01).
Oct 13 10:07:19 w2 NetworkManager: <info> (wlan0): new 802.11 WiFi device
(driver: 'iwl3945')
Oct 13 10:07:19 w2 NetworkManager: <info> (wlan0): exported as
/org/freedesktop/NetworkManager/Devices/0
Oct 13 10:07:19 w2 NetworkManager: <info> (wlan0): now managed
Oct 13 10:07:19 w2 NetworkManager: <info> (wlan0): device state change: 1 ->
2 (reason 2)
Oct 13 10:07:19 w2 NetworkManager: <info> (wlan0): bringing up device.
Oct 13 10:07:19 w2 NetworkManager: <info> (wlan0): deactivating device
(reason: 2).
Oct 13 10:07:19 w2 NetworkManager: <info> (eth0): carrier is OFF
Oct 13 10:07:19 w2 NetworkManager: <info> (eth0): new Ethernet device
(driver: 'tg3')
Oct 13 10:07:19 w2 NetworkManager: <info> (eth0): exported as
/org/freedesktop/NetworkManager/Devices/1
Oct 13 10:07:19 w2 NetworkManager: <info> (eth0): now managed
Oct 13 10:07:19 w2 NetworkManager: <info> (eth0): device state change: 1 ->
2 (reason 2)
Oct 13 10:07:19 w2 NetworkManager: <info> (eth0): bringing up device.
Oct 13 10:07:19 w2 kernel: [ 1474.695308] tg3 0000:09:00.0: PME# disabled
Oct 13 10:07:19 w2 kernel: [ 1474.712707] tg3 0000:09:00.0: irq 30 for
MSI/MSI-X
Oct 13 10:07:19 w2 NetworkManager: <info> (eth0): preparing device.
Oct 13 10:07:19 w2 NetworkManager: <info> (eth0): deactivating device
(reason: 2).
Oct 13 10:07:19 w2 NetworkManager: Added default wired connection 'Auto eth0'
for /sys/devices/pci0000:00/0000:00:1c.5/0000:09:00.0/net/eth0
Oct 13 10:07:19 w2 NetworkManager: <WARN> device_creator():
/sys/devices/virtual/net/pan0: couldn't determine device driver; ignoring...
Oct 13 10:07:19 w2 kernel: [ 1474.748432] ADDRCONF(NETDEV_UP): eth0: link is
not ready
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