Thanks Mathieu. I had the same issue as pointed by Jo-Erlend. I believe it resulted because of whats mentioned in bug 855171. Will post back if its resolved.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/797868 Title: NetworkManager crashed with SIGSEGV in g_type_instance_get_private() Status in “network-manager” package in Ubuntu: In Progress Status in “network-manager” source package in Oneiric: In Progress Bug description: Binary package hint: network-manager I switched a wired connection from dhcp to manual configuration and NM crashed. ProblemType: Crash DistroRelease: Ubuntu 11.10 Package: network-manager 0.8.9997+git.20110614t173923.b4a72d1-0ubuntu1 Uname: Linux 3.0.0-999-generic x86_64 NonfreeKernelModules: nvidia Architecture: amd64 CRDA: Error: [Errno 2] No such file or directory Date: Wed Jun 15 20:22:19 2011 ExecutablePath: /usr/sbin/NetworkManager Gconf: InstallationMedia: Xubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426.1) IpRoute: default via 192.168.178.1 dev eth0 proto static 169.254.0.0/16 dev eth0 scope link metric 1000 192.168.178.0/24 dev eth0 proto kernel scope link src 192.168.178.58 metric 1 IwConfig: lo no wireless extensions. eth0 no wireless extensions. eth1 no wireless extensions. Keyfiles: Error: [Errno 2] No such file or directory NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true PciNetwork: ProcCmdline: NetworkManager ProcEnviron: PATH=(custom, no user) RfKill: SegvAnalysis: Segfault happened at: 0x7fc27e5725c1 <g_type_instance_get_private+33>: cmpq $0x0,(%rdi) PC (0x7fc27e5725c1) ok source "$0x0" ok destination "(%rdi)" (0xaaaaaaaaaaaaaaaa) not located in a known VMA region (needed writable region)! SegvReason: writing unknown VMA Signal: 11 SourcePackage: network-manager StacktraceTop: g_type_instance_get_private () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 nm_agent_manager_save_secrets () ?? () ?? () ?? () Title: NetworkManager crashed with SIGSEGV in g_type_instance_get_private() UpgradeStatus: Upgraded to oneiric on 2011-06-11 (3 days ago) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/797868/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

