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[Christopher <chalbersma.12@xxxxxxxxx>]

I found a fairly jenky work around. If while NetworkManager is off or
crashed I use the hardware key combo to turn off wifi it does so. Then
NetworkManager will start up. However it will attempt to enable wifi
itself. So the next move is while it's starting up right after
NetworkManager has turned the wifi chip back on you need to utilize the
key combo again to manually disable wifi.

Then if I wait for a bit I can turn on wifi via hardware chip and it
will crash in about a minute with the following in the logs:

```
Dec 22 13:21:03 nebraska NetworkManager[24469]: <info> WiFi hardware radio set enabled
Dec 22 13:21:03 nebraska NetworkManager[24469]: <info> WWAN hardware radio set disabled
Dec 22 13:21:03 nebraska NetworkManager[24469]: <info> WiFi now enabled by radio killswitch
Dec 22 13:21:03 nebraska NetworkManager[24469]: <info> (wlp2s0): supplicant interface state: starting -> ready
Dec 22 13:21:03 nebraska NetworkManager[24469]: <info> (wlp2s0): device state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42]
Dec 22 13:21:03 nebraska NetworkManager[24469]: <info> Device 'wlp2s0' has no connection; scheduling activate_check in 0 seconds.
Dec 22 13:21:19 nebraska NetworkManager[24469]: <info> WiFi now disabled by radio killswitch
Dec 22 13:21:19 nebraska NetworkManager[24469]: <info> (wlp2s0): device state change: disconnected -> unavailable (reason 'none') [30 20 0]
Dec 22 13:25:50 nebraska NetworkManager[24469]: <info> WiFi now enabled by radio killswitch
Dec 22 13:25:50 nebraska NetworkManager[24469]: <info> (wlp2s0): supplicant interface state: starting -> ready
Dec 22 13:25:50 nebraska NetworkManager[24469]: <info> (wlp2s0): device state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42]
Dec 22 13:25:50 nebraska NetworkManager[24469]: <info> Device 'wlp2s0' has no connection; scheduling activate_check in 0 seconds.
Dec 22 13:25:52 nebraska NetworkManager[24469]: <info> (wlp2s0): supplicant interface state: ready -> inactive
Dec 22 13:26:18 nebraska NetworkManager[24469]: <info> (wlp2s0): supplicant interface state: inactive -> scanning
Dec 22 13:26:50 nebraska systemd[1]: NetworkManager.service: Main process exited, code=dumped, status=11/SEGV
Dec 22 13:26:50 nebraska systemd[1]: NetworkManager.service: Unit entered failed state.
Dec 22 13:26:50 nebraska systemd[1]: NetworkManager.service: Failed with result 'core-dump'.
Dec 22 13:26:51 nebraska systemd[1]: NetworkManager.service: Service hold-off time over, scheduling restart.
Dec 22 13:26:51 nebraska systemd[1]: Stopped Network Manager.
Dec 22 13:26:51 nebraska systemd[1]: Starting Network Manager...
```

My first thought is that I might have a wireless chip that's
unsupported. However that doesn't seem to be the case given I'm running
a certified laptop. I'm still doing some investigation but now I seem to
be able to get NetworkManager to "stay up". Even if now I can't connect
to wifi.

-- 
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/1528639

Title:
  Network Manager Crashes Shortly after Starting

Status in network-manager package in Ubuntu:
  New

Bug description:
  After starting Network Manager It attempts to start a few times and
  then crashes. Journalctl shows the following error:

  Dec 22 08:32:58 nebraska NetworkManager[12519]: <info>  Writing DNS information to /sbin/resolvconf
  Dec 22 08:32:58 nebraska dnsmasq[11405]: setting upstream servers from DBus
  Dec 22 08:32:58 nebraska dnsmasq[11405]: using nameserver 139.49.202.10#53
  Dec 22 08:32:58 nebraska dnsmasq[11405]: using nameserver 139.49.202.11#53
  Dec 22 08:32:58 nebraska dnsmasq[11405]: using nameserver 10.240.137.51#53
  Dec 22 08:32:59 nebraska systemd[1]: NetworkManager.service: Main process exited, code=dumped, status=11/SEGV
  Dec 22 08:32:59 nebraska systemd[1]: NetworkManager.service: Unit entered failed state.
  Dec 22 08:32:59 nebraska systemd[1]: NetworkManager.service: Failed with result 'core-dump'.
  Dec 22 08:32:59 nebraska systemd[1]: NetworkManager.service: Service hold-off time over, scheduling restart.
  Dec 22 08:32:59 nebraska systemd[1]: Stopped Network Manager.
  Dec 22 08:32:59 nebraska systemd[1]: NetworkManager.service: Start request repeated too quickly.
  Dec 22 08:32:59 nebraska systemd[1]: Failed to start Network Manager.
  Dec 22 08:32:59 nebraska systemd[1]: NetworkManager.service: Unit entered failed state.
  Dec 22 08:32:59 nebraska systemd[1]: NetworkManager.service: Failed with result 'start-limit'.

  Network Manager's Version is 1.0.4 and Ubuntu version is 15.10.

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