Has anyone tried this workaraound: Disable "Wake On LAN" or "Wake On WLAN" in the BIOS. I think it solved my problem although I'm not certain yet.
If this works, it may expose the original flaw or at least point the debuggers in the general direction. Credits to the Debian people: https://lists.debian.org/debian-kernel/2015/05/msg00256.html -- 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/1470723 Title: Shutdown restarts the laptop - HP EliteBook 840 G2 Status in linux package in Ubuntu: Confirmed Bug description: Shutdown restarts the laptop - HP EliteBook 840 G2 ### Expected behaviour When I turn off the laptop through Unity GUI or terminal by running "shutdown -h 0" the laptop turns off and should stay off. ### Current behaviour When I turn off the laptop through Unity GUI or terminal by running "shutdown -h 0" the laptop turns off but within a few seconds it boots up again. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-21-generic 3.19.0-21.21 ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8 Uname: Linux 3.19.0-21-generic x86_64 ApportVersion: 2.17.2-0ubuntu1.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: chol 2001 F.... pulseaudio /dev/snd/controlC0: chol 2001 F.... pulseaudio /dev/snd/controlC1: chol 2001 F.... pulseaudio CurrentDesktop: Unity Date: Thu Jul 2 07:54:18 2015 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=d6abc876-84da-44f2-bb0e-73160d66a5ad InstallationDate: Installed on 2015-06-05 (26 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) MachineType: Hewlett-Packard HP EliteBook 840 G2 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-21-generic.efi.signed root=UUID=c74eaae8-925d-41a3-8568-981ec3ef9948 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.19.0-21-generic N/A linux-backports-modules-3.19.0-21-generic N/A linux-firmware 1.143.1 SourcePackage: linux UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/24/2015 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: M71 Ver. 01.04 dmi.board.name: 2216 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 96.54 dmi.chassis.asset.tag: 5CG5093YZ7 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvrM71Ver.01.04:bd02/24/2015:svnHewlett-Packard:pnHPEliteBook840G2:pvrA3009D410303:rvnHewlett-Packard:rn2216:rvrKBCVersion96.54:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP EliteBook 840 G2 dmi.product.version: A3009D410303 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1470723/+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