Hi
I get the same disconnecting problem in 15.04, I had no problem in
14.10. But with different computers and wireless cards.
Lenovo T61p
Kernel Linux tpjohthe 3.19.0-21-generic #21-Ubuntu SMP Sun Jun 14 18:31:11 UTC
2015 x86_64 x86_64 x86_64 GNU/Linux
LANG=C lshw -C network
description: Wireless interface
product: PRO/Wireless 4965 AG or AGN [Kedron] Network Connection
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 61
serial: 00:21:XX:XX:XX:XX
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical
wireless
configuration: broadcast=yes driver=iwl4965
driverversion=3.19.0-21-generic firmware=228.61.2.24 ip=192.168.0.X latency=0
link=yes multicast=yes wireless=IEEE 802.11abgn
resources: irq:33 memory:df2fe000-df2fffff
Lenovo T61
LANG=C lshw -C network
*-network
description: Wireless interface
product: PRO/Wireless 3945ABG [Golan] Network Connection
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 02
serial: 00:1c:XX:XX:XX:XX
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical
wireless
configuration: broadcast=yes driver=iwl3945
driverversion=3.19.0-21-generic firmware=15.32.2.9 ip=192.168.0.Xlatency=0
link=yes multicast=yes wireless=IEEE 802.11abg
resources: irq:33 memory:df3ff000-df3fffff
syslog
Jul 2 09:56:25 tpjohthe wpa_supplicant[1010]: wlan0: WPA: Group rekeying
completed with 00:26:XX:XX:XX:XX [GTK=CCMP]
Jul 2 10:47:53 tpjohthe wpa_supplicant[1010]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=00:26:XX:XX:XX:XX reason=4 locally_generated=1
Jul 2 10:47:53 tpjohthe NetworkManager[789]: <warn> Connection disconnected
(reason -4)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.873467] cfg80211: Calling CRDA to
update world regulatory domain
Jul 2 10:47:53 tpjohthe NetworkManager[789]: <info> (wlan0): supplicant
interface state: completed -> disconnected
Jul 2 10:47:53 tpjohthe kernel: [ 9066.880573] cfg80211: World regulatory
domain updated:
Jul 2 10:47:53 tpjohthe kernel: [ 9066.880577] cfg80211: DFS Master region:
unset
Jul 2 10:47:53 tpjohthe kernel: [ 9066.880580] cfg80211: (start_freq -
end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.880584] cfg80211: (2402000 KHz -
2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.880588] cfg80211: (2457000 KHz -
2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.880591] cfg80211: (2474000 KHz -
2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.880594] cfg80211: (5170000 KHz -
5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.880597] cfg80211: (5735000 KHz -
5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.880615] cfg80211: Calling CRDA for
country: SE
Jul 2 10:47:53 tpjohthe kernel: [ 9066.883960] cfg80211: Regulatory domain
changed to country: SE
Jul 2 10:47:53 tpjohthe kernel: [ 9066.883963] cfg80211: DFS Master region:
ETSI
Jul 2 10:47:53 tpjohthe kernel: [ 9066.883965] cfg80211: (start_freq -
end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.883969] cfg80211: (2402000 KHz -
2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.883973] cfg80211: (5170000 KHz -
5250000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.883976] cfg80211: (5250000 KHz -
5330000 KHz @ 40000 KHz), (N/A, 2000 mBm), (0 s)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.883979] cfg80211: (5490000 KHz -
5710000 KHz @ 40000 KHz), (N/A, 2700 mBm), (0 s)
Jul 2 10:47:53 tpjohthe kernel: [ 9066.883982] cfg80211: (57240000 KHz -
65880000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A)
Jul 2 10:47:54 tpjohthe NetworkManager[789]: <info> (wlan0): supplicant
interface state: disconnected -> scanning
Jul 2 10:48:09 tpjohthe NetworkManager[789]: <warn> (wlan0): link timed out.
Jul 2 10:48:09 tpjohthe NetworkManager[789]: <info> (wlan0): device state
change: activated -> failed (reason 'ssid-not-found') [100 120 53]
Jul 2 10:48:09 tpjohthe NetworkManager[789]: <info> NetworkManager state is
now CONNECTED_LOCAL
Jul 2 10:48:09 tpjohthe NetworkManager[789]: <info> NetworkManager state is
now DISCONNECTED
Jul 2 10:48:09 tpjohthe whoopsie[826]: [10:48:09] offline
Jul 2 10:48:09 tpjohthe NetworkManager[789]: <warn> Activation (wlan0) failed
for connection
When I restart with /etc/init.d/network-manager restart It is working
again.
I will try a new kernel and see if it is working better..
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https://bugs.launchpad.net/bugs/1467069
Title:
NM loose WIFI connection - device cannot be readied for configuration
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