I think this has been fixed in one of the updates since the bug was reported. Could you please test again and confirm?
** Changed in: network-manager (Ubuntu Precise) Status: Triaged => Incomplete -- 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/869763 Title: NetworkManager crashed with SIGABRT in g_assertion_message() Status in “network-manager” package in Ubuntu: Incomplete Status in “network-manager” source package in Precise: Incomplete Bug description: Happend while the system was staying idle during the night. ProblemType: Crash DistroRelease: Ubuntu 11.10 Package: network-manager 0.9.1.90-0ubuntu3 ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4 Uname: Linux 3.0.0-12-generic x86_64 ApportVersion: 1.23-0ubuntu2 Architecture: amd64 CRDA: Error: [Errno 2] No such file or directory CrashCounter: 1 Date: Fri Oct 7 06:41:52 2011 ExecutablePath: /usr/sbin/NetworkManager Gconf: 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 192.168.178.20 metric 1 192.168.178.0/24 dev wlan0 proto kernel scope link src 192.168.178.24 metric 2 Keyfiles: Error: [Errno 2] No such file or directory NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=false ProcCmdline: NetworkManager ProcEnviron: PATH=(custom, no user) Signal: 6 SourcePackage: network-manager StacktraceTop: g_assertion_message () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 ?? () nm_dns_manager_remove_ip6_config () ?? () ?? () Title: NetworkManager crashed with SIGABRT in g_assertion_message() UpgradeStatus: Upgraded to oneiric on 2011-09-30 (6 days ago) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/869763/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp