Hello. I'm experiencing a similar problem. I found out that you need supply more information. Check https://wiki.ubuntu.com/DebuggingNetworkManager and do what is described in the DebuggingCrashes paragraph.
-- After 1 year of perfect operation, NetworkManager crashes on start-up... https://bugs.launchpad.net/bugs/119651 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
