I have not tested on this computer with a release prior to Vivid, but in general, I have never found hibernate or suspend to be useful or stable on any computer I've tested with any version of Ubuntu. Windows 7 does suspend ok on the two similar computers I've tested it on.
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- 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/1443762 Title: [LENOVO ThinkServer TS140] hibernate/resume failure Status in linux package in Ubuntu: Confirmed Bug description: I tried pm-hibernate, and turned the computer back on after it shut down. My apps weren't there after startup. ProblemType: KernelOops DistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-12-generic 3.19.0-12.12 ProcVersionSignature: Ubuntu 3.19.0-12.12-generic 3.19.3 Uname: Linux 3.19.0-12-generic x86_64 Annotation: This occured during a previous hibernate and prevented it from resuming properly. ApportVersion: 2.17-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: lightdm 1292 F.... pulseaudio dank 1942 F.... pulseaudio /dev/snd/controlC0: lightdm 1292 F.... pulseaudio dank 1942 F.... pulseaudio Date: Mon Apr 13 22:28:14 2015 DuplicateSignature: hibernate/resume:LENOVO ThinkServer TS140:FBKT92AUS ExecutablePath: /usr/share/apport/apportcheckresume Failure: hibernate/resume HibernationDevice: RESUME=UUID=164b5c15-46f8-47a4-bd48-62047c851e37 InstallationDate: Installed on 2015-04-04 (9 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326) InterpreterPath: /usr/bin/python3.4 IwConfig: eth0 no wireless extensions. lo no wireless extensions. MachineType: LENOVO ThinkServer TS140 ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume ProcEnviron: PATH=(custom, no user) LANG=en_US.UTF-8 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-12-generic root=UUID=ddf8fcf8-5870-4a32-afc2-b54de9d66128 ro quiet splash vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-3.19.0-12-generic N/A linux-backports-modules-3.19.0-12-generic N/A linux-firmware 1.143 RfKill: SourcePackage: linux Title: [LENOVO ThinkServer TS140] hibernate/resume failure UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: dmi.bios.date: 07/22/2014 dmi.bios.vendor: LENOVO dmi.bios.version: FBKT92AUS dmi.board.name: ThinkServer TS140 dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.type: 3 dmi.chassis.vendor: LENOVO dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnLENOVO:bvrFBKT92AUS:bd07/22/2014:svnLENOVO:pnThinkServerTS140:pvr70A4000HUX:rvnLENOVO:rnThinkServerTS140:rvrNotDefined:cvnLENOVO:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: ThinkServer TS140 dmi.product.version: 70A4000HUX dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1443762/+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