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[Bug 1449983] [NEW] [15.04] After rebooting my WiFi router, NM fails to reconnect to it

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Public bug reported:

Reproduce:
1. Connect to a wifi
2. Reboot wifi router

What happens:
I am not reconnected, neither does the AP appear in nm-applet

What should happen:
I should be reconnected as soon as the AP is up again

Running $ sudo wpa_cli and doing a scan + scan_results shows the AP
almost immediately after it comes back up.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: network-manager 0.9.10.0-4ubuntu15
Uname: Linux 3.19.0-031900-generic x86_64
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Apr 29 13:29:08 2015
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-precise-amd64-20120703-2
EcryptfsInUse: Yes
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2013-08-27 (610 days ago)
InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20120703-15:08
IpRoute:
 default via 192.168.10.1 dev wlan0  proto static  metric 1024 
 10.0.3.0/24 dev lxcbr0  proto kernel  scope link  src 10.0.3.1 
 169.254.0.0/16 dev wlan0  scope link  metric 1000 
 192.168.10.0/24 dev wlan0  proto kernel  scope link  src 192.168.10.129 
 192.168.122.0/24 dev virbr0  proto kernel  scope link  src 192.168.122.1
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
 DEVICE      TYPE      STATE        DBUS-PATH                                  CONNECTION       CON-UUID                              CON-PATH                                            
 wlan0       wifi      connected    /org/freedesktop/NetworkManager/Devices/1  MonkeySphere2.0  f0d993c2-30e4-437c-b629-c09a4a61c10b  /org/freedesktop/NetworkManager/ActiveConnection/13 
 eth1        ethernet  unavailable  /org/freedesktop/NetworkManager/Devices/4  --               --                                    --                                                  
 lo          loopback  unmanaged    /org/freedesktop/NetworkManager/Devices/0  --               --                                    --                                                  
 virbr0-nic  tap       unmanaged    /org/freedesktop/NetworkManager/Devices/2  --               --                                    --
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 vivid

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https://bugs.launchpad.net/bugs/1449983

Title:
  [15.04] After rebooting my WiFi router, NM fails to reconnect to it

Status in network-manager package in Ubuntu:
  New

Bug description:
  Reproduce:
  1. Connect to a wifi
  2. Reboot wifi router

  What happens:
  I am not reconnected, neither does the AP appear in nm-applet

  What should happen:
  I should be reconnected as soon as the AP is up again

  Running $ sudo wpa_cli and doing a scan + scan_results shows the AP
  almost immediately after it comes back up.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: network-manager 0.9.10.0-4ubuntu15
  Uname: Linux 3.19.0-031900-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Apr 29 13:29:08 2015
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-precise-amd64-20120703-2
  EcryptfsInUse: Yes
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2013-08-27 (610 days ago)
  InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20120703-15:08
  IpRoute:
   default via 192.168.10.1 dev wlan0  proto static  metric 1024 
   10.0.3.0/24 dev lxcbr0  proto kernel  scope link  src 10.0.3.1 
   169.254.0.0/16 dev wlan0  scope link  metric 1000 
   192.168.10.0/24 dev wlan0  proto kernel  scope link  src 192.168.10.129 
   192.168.122.0/24 dev virbr0  proto kernel  scope link  src 192.168.122.1
  SourcePackage: network-manager
  UpgradeStatus: No upgrade log present (probably fresh install)
  nmcli-dev:
   DEVICE      TYPE      STATE        DBUS-PATH                                  CONNECTION       CON-UUID                              CON-PATH                                            
   wlan0       wifi      connected    /org/freedesktop/NetworkManager/Devices/1  MonkeySphere2.0  f0d993c2-30e4-437c-b629-c09a4a61c10b  /org/freedesktop/NetworkManager/ActiveConnection/13 
   eth1        ethernet  unavailable  /org/freedesktop/NetworkManager/Devices/4  --               --                                    --                                                  
   lo          loopback  unmanaged    /org/freedesktop/NetworkManager/Devices/0  --               --                                    --                                                  
   virbr0-nic  tap       unmanaged    /org/freedesktop/NetworkManager/Devices/2  --               --                                    --
  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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