It's may be duplicate of https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1009879. Indeed, I have running Transmission now.
-- 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/987858 Title: NM gobbles CPU and reports repeatedly to .xsession-errors: 'Could not create object for /org/freedesktop/NetworkManager/IP6Config/<nnnn>: Method "GetAll" ... doesn't exist' Status in “network-manager” package in Ubuntu: Incomplete Bug description: NetworkManager consumes lots of cpu and reports this to .xsession- erros again and again: Could not create object for /org/freedesktop/NetworkManager/IP6Config/3628: Method "GetAll" with signature "s" on interface "org.freedesktop.DBus.Properties" doesn't exist This happens on a desktop connected via ethernet and a laptop connected via wireless (ipv6 is enabled on the network) On both computers NetworkManager consumes 100% cpu. Both run up to date Ubuntu 12.04, Laptop was upgraded, Desktop newly instaled from beta2 image. --- ApportVersion: 2.0.1-0ubuntu5 Architecture: amd64 DistroRelease: Ubuntu 12.04 EcryptfsInUse: Yes IfupdownConfig: auto lo iface lo inet loopback InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110831) NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true Package: network-manager 0.9.4.0-0ubuntu3 PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14 Tags: precise Uname: Linux 3.2.0-23-generic x86_64 UpgradeStatus: Upgraded to precise on 2012-03-31 (24 days ago) UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare nmcli-dev: DEVICE TYPE STATE DBUS-PATH eth0 802-3-ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 wlan0 802-11-wireless connected /org/freedesktop/NetworkManager/Devices/0 nmcli-nm: RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN running 0.9.4.0 connected enabled enabled enabled enabled disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/987858/+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