Public bug reported:
Booting the PC today the Ubuntu screen was blocked at startup time,
after a green [OK] and a white blinking underscore.
In recovery mode I figured out the problem: NetworkManager hung trying
to connect to a wireless network that wasn't available anymore, and so I
couldn't reach the prelogin level.
I can reproduce it in this way:
1) Connect to a wireless network when logged
2) Shutdown the wireless router
3) Reboot
The OS should not show the lightdm screen, but a black screen with a
white blinking underscore.
Probably it is reproducible also without rebooting, just with `service
NetworkManager restart`, but I didn't tried.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: network-manager 0.9.6.0-0ubuntu7
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu3
Architecture: amd64
CRDA:
country IT:
(2402 - 2482 @ 40), (N/A, 20)
(5170 - 5250 @ 40), (N/A, 20)
(5250 - 5330 @ 40), (N/A, 20), DFS
(5490 - 5710 @ 40), (N/A, 27), DFS
Date: Mon Oct 22 23:45:55 2012
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
IpRoute:
default via 192.168.1.254 dev wlan0 proto static
169.254.0.0/16 dev wlan0 scope link metric 1000
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.132 metric 9
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=it_IT.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
FASTWEB-1-8MpoA20FNGI0 78f6ec25-2191-4c58-aa59-154b9664116a
802-11-wireless 1350942340 lun 22 ott 2012 23:45:40 CEST yes
no /org/freedesktop/NetworkManager/Settings/2
Connessione via cavo 2 233dae63-9e0e-4887-9b97-b8e6608dddb3
802-3-ethernet 1350940537 lun 22 ott 2012 23:15:37 CEST yes
no /org/freedesktop/NetworkManager/Settings/1
Connessione via cavo 1 a1d97420-fd05-4e5b-9582-736d1beba99e
802-3-ethernet 1350940537 lun 22 ott 2012 23:15:37 CEST yes
no /org/freedesktop/NetworkManager/Settings/0
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
eth0 802-3-ethernet unavailable
/org/freedesktop/NetworkManager/Devices/2
wlan0 802-11-wireless connected
/org/freedesktop/NetworkManager/Devices/1
eth1 802-3-ethernet unavailable
/org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI
WWAN-HARDWARE WWAN
running 0.9.6.0 connected enabled enabled
enabled enabled disabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug quantal running-unity
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1070041
Title:
NetworkManager hangs starting the service when it is configured for a
wireless network which it is not available anymore
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