Wulf Richartz, I hope this output from dmidecode is enough. Could you please forward it to the kernel.org bugzilla?
Mainboard: Handle 0x0001, DMI type 1, 27 bytes System Information Manufacturer: LENOVO Product Name: 10A7000LGE Version: ThinkCentre M93p Wake-up Type: Power Switch SKU Number: LENOVO_MT_10A7 Family: To be filled by O.E.M. Handle 0x0002, DMI type 2, 15 bytes Base Board Information Manufacturer: LENOVO Product Name: SHARKBAY Version: 0B98401 PRO Features: Board is a hosting board Board is replaceable Location In Chassis: To be filled by O.E.M. Chassis Handle: 0x0003 Type: Motherboard Contained Object Handles: 0 BIOS: Handle 0x0000, DMI type 0, 24 bytes BIOS Information Vendor: LENOVO Version: FBKT72AUS Release Date: 01/26/2014 Address: 0xF0000 Runtime Size: 64 kB ROM Size: 6656 kB Characteristics: PCI is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported BIOS ROM is socketed EDD is supported 5.25"/1.2 MB floppy services are supported (int 13h) 3.5"/720 kB floppy services are supported (int 13h) 3.5"/2.88 MB floppy services are supported (int 13h) Print screen service is supported (int 5h) 8042 keyboard services are supported (int 9h) Serial services are supported (int 14h) Printer services are supported (int 17h) ACPI is supported USB legacy is supported BIOS boot specification is supported Targeted content distribution is supported UEFI is supported BIOS Revision: 1.72 Firmware Revision: 1.13 -- 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/1320282 Title: [Lenovo ThinkCentre M93p] reboots instead of shutting down Status in “linux” package in Ubuntu: Incomplete Bug description: Using `shutdown -h now` on a Lenovo ThinkCentre M93p causes it to reboot instea of shutting down. This happens on an up-to-date Ubuntu Trusty 14.04. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-24-generic 3.13.0-24.47 ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: gioele 1975 F.... pulseaudio /dev/snd/controlC0: gioele 1975 F.... pulseaudio CurrentDesktop: Unity Date: Fri May 16 17:28:30 2014 EcryptfsInUse: Yes InstallationDate: Installed on 2014-05-15 (0 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: LENOVO 10A7000LGE ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=f2abe8d7-641e-4e8a-917e-b909f8d55171 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-24-generic N/A linux-backports-modules-3.13.0-24-generic N/A linux-firmware 1.127.2 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/26/2014 dmi.bios.vendor: LENOVO dmi.bios.version: FBKT72AUS dmi.board.name: SHARKBAY dmi.board.vendor: LENOVO dmi.board.version: 0B98401 PRO dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnLENOVO:bvrFBKT72AUS:bd01/26/2014:svnLENOVO:pn10A7000LGE:pvrThinkCentreM93p:rvnLENOVO:rnSHARKBAY:rvr0B98401PRO:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: 10A7000LGE dmi.product.version: ThinkCentre M93p dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1320282/+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