The message in /var/log/pm-suspend.log quoted in the report "Failed to connect to non-global ctrl_ifname: (null) error: No such file or directory"
comes from the wpa_supplicant sleep hook. This hook shouldn't be run when NetworkManager is operating, since NM handles sleep and resume DBus notifications itself. More often than not, the result of the race between the two is a half-working network that appears from the GUI to be working but actually isn't and has to be fixed by disabling and re- enabling Networking. At any rate it isn't connected with the original problem. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pm-utils in Ubuntu. https://bugs.launchpad.net/bugs/1415039 Title: laptop unresponsive after suspend Status in pm-utils package in Ubuntu: New Bug description: After suspend, the system becomes unresponsive. Fan keeps running, full reboot needed. In /var/log/pm-suspend.log the only error is: "Failed to connect to non-global ctrl_ifname: (null) error: No such file or directory" ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: pm-utils 1.4.1-13ubuntu0.1 ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4 Uname: Linux 3.13.0-32-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3.6 Architecture: amd64 CurrentDesktop: Unity Date: Tue Jan 27 14:40:12 2015 InstallationDate: Installed on 2015-01-26 (0 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) PackageArchitecture: all SourcePackage: pm-utils UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1415039/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp