user2304, thank you for reporting this and helping make Ubuntu better. Could you please execute the following command, as it will automatically gather debugging information, in a terminal: apport-collect 1449535
** Package changed: linux-lts-utopic (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1449535 Title: Long pause before power off / reboot Status in linux package in Ubuntu: Incomplete Bug description: System: Kubuntu 14.04.2 Kernel: 3.16.0-30-generic / 3.16.0-34-generic (after update) Symptoms on a netbook Medion E1231T - On battery - Kubuntu pauses 30 seconds after the message "Will now halt" or prior to rebooting the system without further messages - but powers off immediately after Hibernate (Suspend to disk) - On AC - Netbook staas powered on after the message "Will now halt" or prior to rebooting the system without further messages or after suspending - Only a hard reset (Power button pressed fpr 5 seconds or so) will power down the netbook Expected behaviour: - Kubuntu powers off immediately after shutdown / reboots immediately. Kind regards, user2304. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.16.0-34-generic 3.16.0-34.47~14.04.1 ProcVersionSignature: Ubuntu 3.16.0-34.47~14.04.1-generic 3.16.7-ckt8 Uname: Linux 3.16.0-34-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.10 Architecture: amd64 CurrentDesktop: KDE Date: Tue Apr 28 14:15:30 2015 InstallationDate: Installed on 2015-04-27 (1 days ago) InstallationMedia: Kubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150219.1) SourcePackage: linux-lts-utopic UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1449535/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp