Public bug reported:

Sometimes, WiFi disconnects, and I have to disable and re-enable
wireless to get in to connect. This happens on many systems, so it`s
maybe related to the technology rather than Ubuntu. Only this time, both
Enable networking and Enable wireless in the indocator menu were greyed
out. When trying to run `sudo service networking restart`, Unity
crashed. I could start Unity again from command line, but it started
without window decorations. I tried to restart Compiz without luck.

Also, when Unity started up, the networking indicator were gone. After a
reboot, everything went back to normal.

I cannot give any more information on how to reproduce, other than than
one other user were logged in, and this happened after resuming from
suspend. I will add a comment if it happens again, and under which
circumstances.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: indicator-session 12.10.4-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
Uname: Linux 3.5.0-18-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
Date: Tue Nov 20 01:05:37 2012
EcryptfsInUse: Yes
InstallationDate: Installed on 2012-10-11 (39 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
(20120823.1)
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: indicator-session
UpgradeStatus: Upgraded to quantal on 2012-10-19 (31 days ago)

** Affects: indicator-session (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug quantal running-unity

** Attachment added: "dmesg | tail"
   
https://bugs.launchpad.net/bugs/1080923/+attachment/3439111/+files/dmesg.crash

** Description changed:

  Sometimes, WiFi disconnects, and I have to disable and re-enable
  wireless to get in to connect. This happens on many systems, so it`s
  maybe related to the technology rather than Ubuntu. Only this time, both
- Enable networking and Enable wireless were greyed out. When trying to
- run `sudo service networking restart`, Unity crashed. I could start
- Unity again from command line, but it started without window
- decorations. I tried to restart Compiz without luck.
+ Enable networking and Enable wireless in the indocator menu were greyed
+ out. When trying to run `sudo service networking restart`, Unity
+ crashed. I could start Unity again from command line, but it started
+ without window decorations. I tried to restart Compiz without luck.
+ 
+ Also, when Unity started up, the networking indicator were gone. After a
+ reboot, everything went back to normal.
  
  I cannot give any more information on how to reproduce, other than than
  one other user were logged in, and this happened after resuming from
  suspend. I will add a comment if it happens again, and under which
  circumstances.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: indicator-session 12.10.4-0ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
  Uname: Linux 3.5.0-18-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  Date: Tue Nov 20 01:05:37 2012
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-10-11 (39 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
(20120823.1)
  MarkForUpload: True
  ProcEnviron:
-  TERM=xterm
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=<set>
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=<set>
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  SourcePackage: indicator-session
  UpgradeStatus: Upgraded to quantal on 2012-10-19 (31 days ago)

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https://bugs.launchpad.net/bugs/1080923

Title:
  Network indicator stopped working, Unity crashed when restarting
  networking

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