http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc3-utopic/CHANGES
This change seems like the relevant one: """ Denis Turischev (1): xhci: Switch Intel Lynx Point ports to EHCI on shutdown. """ http://permalink.gmane.org/gmane.linux.usb.general/102612 ** Changed in: linux (Ubuntu) Status: Confirmed => Triaged ** Changed in: linux (Ubuntu) Importance: Undecided => Critical ** Changed in: linux (Ubuntu) Importance: Critical => Low -- 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/1325260 Title: CompuLab Intense PC2 does not shutdown correctly on 14.04 Status in “linux” package in Ubuntu: Triaged Bug description: The CompuLab Intense PC2 does not shutdown correctly on 14.04 LTS. Instead of shutting down, it reboots with the latest kernel on 14.04 LTS: linux-image-3.13.0-27-generic (3.13.0-27.50). Everything works fine with the latest utopic mainline kernel from: - http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc7-utopic/ ...with no extra kernel parameters. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-27-generic 3.13.0-27.50 ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11 Uname: Linux 3.13.0-27-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-27-generic. AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D0c', '/dev/snd/pcmC1D0p', '/dev/snd/pcmC1D1c', '/dev/snd/pcmC1D1p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: Error: [Errno 2] No such file or directory: 'iw' Card1.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer' Card1.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer' Date: Sat May 31 20:07:22 2014 HibernationDevice: RESUME=/dev/mapper/andraste-swap InstallationDate: Installed on 2014-04-18 (43 days ago) InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2) MachineType: CompuLab Ltd. Intense-PC2 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-27-generic.efi.signed root=/dev/mapper/hostname-root ro RelatedPackageVersions: linux-restricted-modules-3.13.0-27-generic N/A linux-backports-modules-3.13.0-27-generic N/A linux-firmware 1.127.2 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/20/2014 dmi.bios.vendor: Compulab Ltd. dmi.bios.version: SBU_3.0.0.315 X64 dmi.board.name: Intense-PC2 dmi.board.vendor: CompuLab Ltd. dmi.board.version: 1.x dmi.chassis.type: 9 dmi.chassis.vendor: CompuLab Ltd. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnCompulabLtd.:bvrSBU_3.0.0.315X64:bd01/20/2014:svnCompuLabLtd.:pnIntense-PC2:pvr1.x:rvnCompuLabLtd.:rnIntense-PC2:rvr1.x:cvnCompuLabLtd.:ct9:cvr0.1: dmi.product.name: Intense-PC2 dmi.product.version: 1.x dmi.sys.vendor: CompuLab Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1325260/+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