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[Bug 1518681] [NEW] NM failed to initialize WiFi driver (after boot/ return from suspend)

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Public bug reported:

Since 15.10 my network is not working because of this bug.
I got this error:
Nov 22 03:45:23 arbeits-pc NetworkManager[685]: <warn>  (wlan0): failed to initialize WiFi driver
Nov 22 03:45:23 arbeits-pc NetworkManager[685]: <warn>  wlan0: factory failed to create device: (unknown)
Nov 22 03:45:23 arbeits-pc NetworkManager[685]: (NetworkManager:685): GLib-GObject-CRITICAL **: object NMDeviceWifi 0xeda450 finalized while still in-construction
Nov 22 03:45:23 arbeits-pc NetworkManager[685]: (NetworkManager:685): GLib-GObject-CRITICAL **: Custom constructor for class NMDeviceWifi returned NULL (which is invalid). Please use GInitable instead.
Nov 22 03:45:23 arbeits-pc NetworkManager[685]: <info>  wpa_supplicant running
Nov 22 03:45:23 arbeits-pc NetworkManager[685]: <info>  devices added (path: /sys/devices/pci0000:00/0000:00:1a.0/usb5/5-1/5-1.4/5-1.4:1.0/net/wlxf81a67191694, iface: wlxf81a67191694)
Nov 22 03:45:23 arbeits-pc NetworkManager[685]: <info>  device added (path: /sys/devices/pci0000:00/0000:00:1a.0/usb5/5-1/5-1.4/5-1.4:1.0/net/wlxf81a67191694, iface: wlxf81a67191694): no ifupdown configuration found.

Only workaround: sudo systemctl restart network-manager.service

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: network-manager 1.0.4-0ubuntu5.1
ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
Uname: Linux 4.2.0-18-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Nov 22 11:23:48 2015
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2015-11-21 (0 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
IpRoute:
 default via 192.168.1.1 dev wlxf81a67191694  proto static  metric 600 
 169.254.0.0/16 dev wlxf81a67191694  scope link  metric 1000 
 192.168.1.0/24 dev wlxf81a67191694  proto kernel  scope link  src 192.168.1.126  metric 600
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
RfKill:
 
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
 DEVICE           TYPE      STATE        DBUS-PATH                                  CONNECTION  CON-UUID                              CON-PATH                                           
 wlxf81a67191694  wifi      connected    /org/freedesktop/NetworkManager/Devices/2  WG-WLAN     c2683c87-f2df-40a9-b40b-d2b4ec6f1d12  /org/freedesktop/NetworkManager/ActiveConnection/0 
 eno1             ethernet  unavailable  /org/freedesktop/NetworkManager/Devices/0  --          --                                    --                                                 
 lo               loopback  unmanaged    /org/freedesktop/NetworkManager/Devices/1  --          --                                    --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'.

** Affects: network-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug wily

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https://bugs.launchpad.net/bugs/1518681

Title:
  NM failed to initialize WiFi driver (after boot/ return from suspend)

Status in network-manager package in Ubuntu:
  New

Bug description:
  Since 15.10 my network is not working because of this bug.
  I got this error:
  Nov 22 03:45:23 arbeits-pc NetworkManager[685]: <warn>  (wlan0): failed to initialize WiFi driver
  Nov 22 03:45:23 arbeits-pc NetworkManager[685]: <warn>  wlan0: factory failed to create device: (unknown)
  Nov 22 03:45:23 arbeits-pc NetworkManager[685]: (NetworkManager:685): GLib-GObject-CRITICAL **: object NMDeviceWifi 0xeda450 finalized while still in-construction
  Nov 22 03:45:23 arbeits-pc NetworkManager[685]: (NetworkManager:685): GLib-GObject-CRITICAL **: Custom constructor for class NMDeviceWifi returned NULL (which is invalid). Please use GInitable instead.
  Nov 22 03:45:23 arbeits-pc NetworkManager[685]: <info>  wpa_supplicant running
  Nov 22 03:45:23 arbeits-pc NetworkManager[685]: <info>  devices added (path: /sys/devices/pci0000:00/0000:00:1a.0/usb5/5-1/5-1.4/5-1.4:1.0/net/wlxf81a67191694, iface: wlxf81a67191694)
  Nov 22 03:45:23 arbeits-pc NetworkManager[685]: <info>  device added (path: /sys/devices/pci0000:00/0000:00:1a.0/usb5/5-1/5-1.4/5-1.4:1.0/net/wlxf81a67191694, iface: wlxf81a67191694): no ifupdown configuration found.

  Only workaround: sudo systemctl restart network-manager.service

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: network-manager 1.0.4-0ubuntu5.1
  ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
  Uname: Linux 4.2.0-18-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Nov 22 11:23:48 2015
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2015-11-21 (0 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  IpRoute:
   default via 192.168.1.1 dev wlxf81a67191694  proto static  metric 600 
   169.254.0.0/16 dev wlxf81a67191694  scope link  metric 1000 
   192.168.1.0/24 dev wlxf81a67191694  proto kernel  scope link  src 192.168.1.126  metric 600
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  RfKill:
   
  SourcePackage: network-manager
  UpgradeStatus: No upgrade log present (probably fresh install)
  nmcli-dev:
   DEVICE           TYPE      STATE        DBUS-PATH                                  CONNECTION  CON-UUID                              CON-PATH                                           
   wlxf81a67191694  wifi      connected    /org/freedesktop/NetworkManager/Devices/2  WG-WLAN     c2683c87-f2df-40a9-b40b-d2b4ec6f1d12  /org/freedesktop/NetworkManager/ActiveConnection/0 
   eno1             ethernet  unavailable  /org/freedesktop/NetworkManager/Devices/0  --          --                                    --                                                 
   lo               loopback  unmanaged    /org/freedesktop/NetworkManager/Devices/1  --          --                                    --
  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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