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https://bugs.launchpad.net/bugs/1006127
Title:
network-manager unstable, system freezes when disconnected from wire
connection
Status in “network-manager” package in Ubuntu:
New
Bug description:
The systems freezes whenever I unplug the wire cable. Wireless seems to be
connecting OK.
If the wire is not connected, the system is also unable to properly launch
(doesn't even get Login page) or shutdown.
Here's the syslog when I unplug the cable:
May 29 21:57:16 yushan kernel: [ 2453.391125] atl1c 0000:07:00.0: atl1c: eth0
NIC Link is Down
May 29 21:57:16 yushan NetworkManager[680]: <info> (eth0): carrier now OFF
(device state 100, deferring action for 4 seconds)
May 29 21:57:21 yushan NetworkManager[680]: <info> (eth0): device state
change: activated -> unavailable (reason 'carrier-changed') [100 20 40]
May 29 21:57:21 yushan NetworkManager[680]: <info> (eth0): deactivating
device (reason 'carrier-changed') [40]
May 29 21:57:21 yushan NetworkManager[680]: <info> (eth0): canceled DHCP
transaction, DHCP client pid 3266
May 29 21:57:21 yushan kernel: [ 2458.289657] ADDRCONF(NETDEV_UP): eth0: link
is not ready
May 29 21:57:21 yushan avahi-daemon[692]: Withdrawing address record for
fe80::e269:95ff:fee6:61f1 on eth0.
May 29 21:57:21 yushan avahi-daemon[692]: Leaving mDNS multicast group on
interface eth0.IPv6 with address fe80::e269:95ff:fee6:61f1.
May 29 21:57:21 yushan avahi-daemon[692]: Interface eth0.IPv6 no longer
relevant for mDNS.
May 29 21:57:21 yushan avahi-daemon[692]: Withdrawing address record for
192.168.1.69 on eth0.
May 29 21:57:21 yushan avahi-daemon[692]: Leaving mDNS multicast group on
interface eth0.IPv4 with address 192.168.1.69.
May 29 21:57:21 yushan avahi-daemon[692]: Interface eth0.IPv4 no longer
relevant for mDNS.
May 29 21:57:21 yushan dnsmasq[3276]: exiting on receipt of SIGTERM
May 29 21:57:21 yushan NetworkManager[680]: <info> DNS: starting dnsmasq...
May 29 21:57:21 yushan NetworkManager[680]: <info> (eth0): writing
resolv.conf to /sbin/resolvconf
May 29 21:57:21 yushan dnsmasq[3326]: started, version 2.59 cache disabled
May 29 21:57:21 yushan dnsmasq[3326]: compile time options: IPv6 GNU-getopt
DBus i18n DHCP TFTP conntrack IDN
May 29 21:57:21 yushan dnsmasq[3326]: using nameserver 192.168.1.1#53
May 29 21:57:21 yushan NetworkManager[680]: <info> Policy set 'Doraemon'
(wlan0) as default for IPv4 routing and DNS.
May 29 21:57:21 yushan NetworkManager[680]: <info> Policy set 'Doraemon'
(wlan0) as default for IPv4 routing and DNS.
May 29 21:57:21 yushan dbus[627]: [system] Activating service
name='org.freedesktop.nm_dispatcher' (using servicehelper)
May 29 21:57:21 yushan dbus[627]: [system] Successfully activated service
'org.freedesktop.nm_dispatcher'
Infor about my network cards:
06:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless
Network Adapter (PCI-Express) (rev 01)
07:00.0 Ethernet controller: Atheros Communications Inc. AR8152 v2.0 Fast
Ethernet (rev c1)
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: network-manager 0.9.4.0-0ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
CRDA: Error: [Errno 2] No such file or directory
Date: Tue May 29 22:55:36 2012
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
IpRoute:
default via 192.168.1.1 dev eth0 proto static
169.254.0.0/16 dev eth0 scope link metric 1000
192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.69 metric
1
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.81 metric
2
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
ProcEnviron:
LANGUAGE=en_US:en
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-con:
NAME UUID TYPE
TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY
DBUS-PATH
Wired connection 1 e0456485-8365-4f6c-b6d0-a85b2a8931fc
802-3-ethernet 1338324852 Tue 29 May 2012 10:54:12 PM CEST yes
no /org/freedesktop/NetworkManager/Settings/1
Doraemon 14cbdf64-ec36-43c4-a141-7368608673f8
802-11-wireless 1338324852 Tue 29 May 2012 10:54:12 PM CEST yes
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 connected
/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
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