Tests/Network mgr

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Network mgr SEGV


  1. Open terminal activity.
  2. Become root (or type sudo su -).
  3. Check that NetworkManager process is running by typing ps ax | grep NetworkManager #
  4. Unload wireless driver by typing rmmod usb8xxx
  5. Type lsmod # and check that usb8xxx is not mentioned in the results, and that means unload succeeded.
  6. Leave the machine untouched for about 2 minutes.


  • Unloading the wireless driver does not crash the system.
  • Type ps ax | grep NetworkManager and verify that the NetworkManager process is still running.