This affects me as well. I have trace information in the attached syslog.
Below are the outputs from:
* lsb_release -a
* apt-cache policy network-manager
* hwinfo --netcard
- jss
--------------------
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.3 LTS
Release: 16.04
Codename: xenial
$ apt-cache policy network-manager
network-manager:
Installed: 1.2.6-0ubuntu0.16.04.1
Candidate: 1.2.6-0ubuntu0.16.04.1
Version table:
*** 1.2.6-0ubuntu0.16.04.1 500
500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main i386
Packages
100 /var/lib/dpkg/status
1.2.2-0ubuntu0.16.04.4 500
500 http://security.ubuntu.com/ubuntu xenial-security/main i386 Packages
1.1.93-0ubuntu4 500
500 http://us.archive.ubuntu.com/ubuntu xenial/main i386 Packages
$ hwinfo --netcard
24: PCI 200.0: 0200 Ethernet controller
[Created at pci.366]
Unique ID: rBUF.DLcddtZ5wl3
Parent ID: z8Q3.lhbiXmvIKtB
SysFS ID: /devices/pci0000:00/0000:00:1c.0/0000:02:00.0
SysFS BusID: 0000:02:00.0
Hardware Class: network
Model: "Lenovo ThinkPad X60/X60s"
Vendor: pci 0x8086 "Intel Corporation"
Device: pci 0x109a "82573L Gigabit Ethernet Controller"
SubVendor: pci 0x17aa "Lenovo"
SubDevice: pci 0x207e "ThinkPad X60/X60s"
Driver: "e1000e"
Driver Modules: "e1000e"
Device File: eth0
Memory Range: 0xee000000-0xee01ffff (rw,non-prefetchable)
I/O Ports: 0x2000-0x201f (rw)
IRQ: 28 (1760 events)
HW Address: 00:16:d3:31:a0:90
Link detected: no
Module Alias: "pci:v00008086d0000109Asv000017AAsd0000207Ebc02sc00i00"
Driver Info #0:
Driver Status: e1000e is active
Driver Activation Cmd: "modprobe e1000e"
Config Status: cfg=new, avail=yes, need=no, active=unknown
Attached to: #10 (PCI bridge)
25: PCI 300.0: 0282 WLAN controller
[Created at pci.366]
Unique ID: y9sn.FZoxbnX_PE2
Parent ID: qTvu.nWUCVv8jNeC
SysFS ID: /devices/pci0000:00/0000:00:1c.1/0000:03:00.0
SysFS BusID: 0000:03:00.0
Hardware Class: network
Model: "Intel PRO/Wireless 3945ABG [Golan] Network Connection"
Vendor: pci 0x8086 "Intel Corporation"
Device: pci 0x4227 "PRO/Wireless 3945ABG [Golan] Network Connection"
SubVendor: pci 0x8086 "Intel Corporation"
SubDevice: pci 0x1010
Revision: 0x02
Driver: "iwl3945"
Driver Modules: "iwl3945"
Device File: wlan0
Features: WLAN
Memory Range: 0xedf00000-0xedf00fff (rw,non-prefetchable)
IRQ: 31 (120102 events)
HW Address: 00:18:de:66:4b:57
Link detected: yes
WLAN channels: 1 2 3 4 5 6 7 8 9 10 11 36 40 44 48 52 56 60 64 149 153 157
161 165
WLAN frequencies: 2.412 2.417 2.422 2.427 2.432 2.437 2.442 2.447 2.452 2.457
2.462 5.18 5.2 5.22 5.24 5.26 5.28 5.3 5.32 5.745 5.765 5.785 5.805 5.825
WLAN encryption modes: WEP40 WEP104 TKIP CCMP
WLAN authentication modes: open sharedkey wpa-psk wpa-eap
Module Alias: "pci:v00008086d00004227sv00008086sd00001010bc02sc80i00"
Driver Info #0:
Driver Status: iwl3945 is active
Driver Activation Cmd: "modprobe iwl3945"
Config Status: cfg=new, avail=yes, need=no, active=unknown
Attached to: #11 (PCI bridge)
** Attachment added: "syslog"
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1408963/+attachment/4944203/+files/syslog
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1408963
Title:
[Xbuntu 14.04, 14.10 and 15.04] Network manager stops working: iwl3945
0000:03:00.0: BSM uCode verification failed at addr ...; wlan0:
deauthenticating from... by local choice (Reason: 3=DEAUTH_LEAVING),
Status in network-manager package in Ubuntu:
Confirmed
Bug description:
From time to time, the system loses all wireles networks and kubuntu
network manager applet goes blank - not even one network is shown. All
wifi connections are broken. Rebooting fixes the issue, switching to
WICD on-the-fly enables to continue browsing without rebooting, so it
seems to be no hardware issue or iwl3945 issue.
What to expect: stable connections and flawless network managing.
What happens: so above.
Further informations about the system, the network configuration, the
package version can be found in the attachment, also parts of rsyslog
and dmesg.
Interesting, according to some helpers, are the following lines:
dmesg: wlan0: deauthenticating from 02:26:4d:ac:8f:45 by local choice
(Reason: 3=DEAUTH_LEAVING)
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.10
Release: 14.10
Codename: utopic
apt-cache policy network-manager
network-manager:
Installiert: 0.9.8.8-0ubuntu28
Installationskandidat: 0.9.8.8-0ubuntu28
Versionstabelle:
*** 0.9.8.8-0ubuntu28 0
500 http://de.archive.ubuntu.com/ubuntu/ utopic/main amd64 Packages
100 /var/lib/dpkg/status
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1408963/+subscriptions
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