It looks like this has been fixed upstream. I will close it. If the problem still occurs, please reopen it.
** Changed in: linux (Ubuntu) Status: Incomplete => Invalid -- 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/1058192 Title: Xubuntu cannot be shutdown using software Status in linux package in Ubuntu: Invalid Bug description: I have a Lenovo L520 that can be shutdown only by pressing power- button. Making a shutdown in every possible way from UI or command line the computer just freezes. I can even hear the hard drive shutting down. One thing I dont understand is that Linux Mint is based on Ubuntu and it does not have the same bug. Not in Mint XFCE 12 nor 13. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-29-generic 3.2.0-29.46 ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24 Uname: Linux 3.2.0-29-generic x86_64 AcpiTables: AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu12 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: tipi 2108 F.... pulseaudio tipi 2143 F.... xfce4-volumed CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf0900000 irq 45' Mixer name : 'Intel CougarPoint HDMI' Components : 'HDA:10ec0269,17aa21de,00100100 HDA:80862805,80860101,00100000' Controls : 34 Simple ctrls : 12 Date: Fri Sep 28 18:05:45 2012 HibernationDevice: RESUME=UUID=a1287823-1767-4a98-9e4d-2a15e29e8d0b InstallationMedia: Xubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) MachineType: LENOVO 50174JG ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic root=UUID=530411a1-6a30-4fce-9982-830762515744 ro acpi=off noapic quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.2.0-29-generic N/A linux-backports-modules-3.2.0-29-generic N/A linux-firmware 1.79 SourcePackage: linux StagingDrivers: rts_pstor mei UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/09/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 8GET28WW (1.05 ) dmi.board.name: 50174JG dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr8GET28WW(1.05):bd02/09/2011:svnLENOVO:pn50174JG:pvrThinkPadL520:rvnLENOVO:rn50174JG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 50174JG dmi.product.version: ThinkPad L520 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1058192/+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