[Bug 1723644] Re: NetworkManager hang

[Mihai Bojescu]

** Description changed:

- Recently I had issues with NetworkManager on my Kubuntu 17.10 beta2 installation. When I try to restart or close
+ Recently I had issues with NetworkManager. When I try to restart or close
  NetworkManager, the process hangs. First it sends a SIGTERM to the
  NetworkManager process, and after a while it sends SIGKILL, yet nothing
  happens. After the attempt to restart/close NetworkManager, the OS behaves
  badly:
  - journalctl doesn't work, doesn't output anything, SIGTERMing/SIGABRTing/
  SIGKILLing it causes the kill command to hang (no matter how many times I try
  it), it also hangs the terminal
  - 'sudo dmesg' hangs (killing it with SIGKILL/SIGTERM/SIGABRT hangs the kill
  command, can't close the terminal)
  - the OS won't reboot/suspend/shutdown (it does only after holding the restart
  button)
  
  Suspending/rebooting normally/shutdowning normally the laptop hangs the OS
  (because of NetworkManager).
  
  What I've tried:
- - reinstalling NetworkManager (using --purge)
+ - reinstalling NetworkManager (uninstalling it using --purge, installing it clean)
  - deleting ~/.config
  - deleting ~/.cache
  - installing a version from NetworkManager from Debian (version: 1.8.4.2),
  reinstalling NetworkManager from Ubuntu back
  
   affects ubuntu
   affects ubuntu/network-manager
   affects ubuntu/systemd

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https://bugs.launchpad.net/bugs/1723644

Title:
  NetworkManager hang

Status in network-manager package in Ubuntu:
  New
Status in systemd package in Ubuntu:
  New

Bug description:
  Recently I had issues with NetworkManager. When I try to restart or close
  NetworkManager, the process hangs. First it sends a SIGTERM to the
  NetworkManager process, and after a while it sends SIGKILL, yet nothing
  happens. After the attempt to restart/close NetworkManager, the OS behaves
  badly:
  - journalctl doesn't work, doesn't output anything, SIGTERMing/SIGABRTing/
  SIGKILLing it causes the kill command to hang (no matter how many times I try
  it), it also hangs the terminal
  - 'sudo dmesg' hangs (killing it with SIGKILL/SIGTERM/SIGABRT hangs the kill
  command, can't close the terminal)
  - the OS won't reboot/suspend/shutdown (it does only after holding the restart
  button)

  Suspending/rebooting normally/shutdowning normally the laptop hangs the OS
  (because of NetworkManager).

  What I've tried:
  - reinstalling NetworkManager (uninstalling it using --purge, installing it clean)
  - deleting ~/.config
  - deleting ~/.cache
  - installing a version from NetworkManager from Debian (version: 1.8.4.2),
  reinstalling NetworkManager from Ubuntu back

   affects ubuntu
   affects ubuntu/network-manager
   affects ubuntu/systemd

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