Public bug reported:
After upgrading from Ubuntu 11.10 to 12.04, wifi connected properly but
the connection was dropped again after only ~5s. the problem seems to be
related to IPv6. Disabling automatic IPv6 configuration in
NetworkManager (see conf file option below) solves the issue for me:
/etc/NetworkManager/system-connections/Auto\ ESSID option:
[ipv6]
method=ignore
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: network-manager 0.9.4.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic i686
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
Date: Wed May 9 10:13:49 2012
EcryptfsInUse: Yes
IfupdownConfig:
auto lo
iface lo inet loopback
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
IpRoute:
default via 94.224.192.1 dev wlan0 proto static
94.224.192.0/20 dev wlan0 proto kernel scope link src 94.224.204.37 metric
2
169.254.0.0/16 dev wlan0 scope link metric 1000
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: Upgraded to precise on 2012-05-08 (0 days ago)
mtime.conffile..etc.NetworkManager.NetworkManager.conf:
2012-05-09T09:43:55.538988
nmcli-con:
NAME UUID TYPE
TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY
DBUS-PATH
Wired connection 1 7af65225-c8e1-4edd-a039-f799a909d7c4
802-3-ethernet 1336549897 Wed 09 May 2012 09:51:37 AM CEST yes
no /org/freedesktop/NetworkManager/Settings/2
Auto wifi51-2 b9f18346-527a-4f08-8c62-77a17b6d8de8
802-11-wireless 1336551051 Wed 09 May 2012 10:10:51 AM CEST yes
no /org/freedesktop/NetworkManager/Settings/1
Bongo 6756b39f-4887-471f-8973-8b3f023ceb7e vpn
1334517158 Sun 15 Apr 2012 09:12:38 PM CEST no no
/org/freedesktop/NetworkManager/Settings/0
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
wlan0 802-11-wireless connected
/org/freedesktop/NetworkManager/Devices/1
eth0 802-3-ethernet unavailable
/org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI
WWAN-HARDWARE WWAN
running 0.9.4.0 connected enabled enabled
enabled enabled disabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise
--
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/997056
Title:
WiFi disconnects shortly after connection established
Status in “network-manager” package in Ubuntu:
New
Bug description:
After upgrading from Ubuntu 11.10 to 12.04, wifi connected properly
but the connection was dropped again after only ~5s. the problem seems
to be related to IPv6. Disabling automatic IPv6 configuration in
NetworkManager (see conf file option below) solves the issue for me:
/etc/NetworkManager/system-connections/Auto\ ESSID option:
[ipv6]
method=ignore
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: network-manager 0.9.4.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic i686
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
Date: Wed May 9 10:13:49 2012
EcryptfsInUse: Yes
IfupdownConfig:
auto lo
iface lo inet loopback
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
IpRoute:
default via 94.224.192.1 dev wlan0 proto static
94.224.192.0/20 dev wlan0 proto kernel scope link src 94.224.204.37
metric 2
169.254.0.0/16 dev wlan0 scope link metric 1000
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: Upgraded to precise on 2012-05-08 (0 days ago)
mtime.conffile..etc.NetworkManager.NetworkManager.conf:
2012-05-09T09:43:55.538988
nmcli-con:
NAME UUID TYPE
TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY
DBUS-PATH
Wired connection 1 7af65225-c8e1-4edd-a039-f799a909d7c4
802-3-ethernet 1336549897 Wed 09 May 2012 09:51:37 AM CEST yes
no /org/freedesktop/NetworkManager/Settings/2
Auto wifi51-2 b9f18346-527a-4f08-8c62-77a17b6d8de8
802-11-wireless 1336551051 Wed 09 May 2012 10:10:51 AM CEST yes
no /org/freedesktop/NetworkManager/Settings/1
Bongo 6756b39f-4887-471f-8973-8b3f023ceb7e vpn
1334517158 Sun 15 Apr 2012 09:12:38 PM CEST no no
/org/freedesktop/NetworkManager/Settings/0
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
wlan0 802-11-wireless connected
/org/freedesktop/NetworkManager/Devices/1
eth0 802-3-ethernet unavailable
/org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE
WIFI WWAN-HARDWARE WWAN
running 0.9.4.0 connected enabled enabled
enabled enabled disabled
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/997056/+subscriptions
--
Mailing list: https://launchpad.net/~desktop-packages
Post to : desktop-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~desktop-packages
More help : https://help.launchpad.net/ListHelp
