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[Iain Lane <iain@xxxxxxxxxxxxxxxxxxx>]

It's happening very frequently now. I tried to get some state this
morning. The network would intermittently work when it was in the bad
state, and only started working when I disconnected wlan0 *and*
reconnected eth0.

-- bad state --

laney@iota> netstat -rn
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         192.168.1.1     0.0.0.0         UG        0 0          0 eth0
169.254.0.0     0.0.0.0         255.255.0.0     U         0 0          0 wlan0
192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0 wlan0
192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0 eth0
laney@iota> ping orangesquash.org.uk
PING orangesquash.org.uk (85.119.82.37) 56(84) bytes of data.

^C
--- orangesquash.org.uk ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2016ms

laney@iota> ip route show
default via 192.168.1.1 dev eth0  proto static  metric 1024 
169.254.0.0/16 dev wlan0  scope link  metric 1000 
192.168.1.0/24 dev wlan0  proto kernel  scope link  src 192.168.1.134 
192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.106 

-- good state --

laney@iota> ip ro show
default via 192.168.1.1 dev eth0  proto static  metric 1024 
169.254.0.0/16 dev eth0  scope link  metric 1000 
192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.106 
laney@iota> netstat -rn
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         192.168.1.1     0.0.0.0         UG        0 0          0 eth0
169.254.0.0     0.0.0.0         255.255.0.0     U         0 0          0 eth0
192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0 eth0


Can someone please tell me what other debugging information will be useful?

Attaching another syslog.

** Attachment added: "syslog"
   https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1422096/+attachment/4342455/+files/syslog

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https://bugs.launchpad.net/bugs/1422096

Title:
  Occasionally no network on resume

Status in network-manager package in Ubuntu:
  New

Bug description:
  Sometimes I resume and n-m thinks that lxcbr0 is a connected wired
  network, so doesn't connect to the wireless network that I actually
  want to use until I restart it.

  laney@iota> nmcli d
  DEVICE             TYPE      STATE         CONNECTION 
  lxcbr0             bridge    connected     lxcbr0     
  virbr0             bridge    connected     virbr0     
  50:46:5D:18:E7:06  bt        disconnected  --         
  wlan0              wifi      disconnected  --         
  eth0               ethernet  unavailable   --         
  lo                 loopback  unmanaged     --         
  virbr0-nic         tap       unmanaged     --         
  laney@iota> nmcli d w l ifname wlan0
  *  SSID  MODE  CHAN  RATE  SIGNAL  BARS  SECURITY 
  laney@iota> cat /etc/network/interfaces
  auto lo
  iface lo inet loopback

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: network-manager 0.9.10.0-4ubuntu6
  ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5
  Uname: Linux 3.18.0-13-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.16.1-0ubuntu2
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Sun Feb 15 10:37:28 2015
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2012-10-18 (850 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  IpRoute:
   default via 192.168.1.1 dev wlan0  proto static  metric 1024 
   169.254.0.0/16 dev wlan0  scope link  metric 1000 
   192.168.1.0/24 dev wlan0  proto kernel  scope link  src 192.168.1.134
  SourcePackage: network-manager
  UpgradeStatus: Upgraded to vivid on 2014-07-30 (200 days ago)
  nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'.

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