This Ubuntu 12.04 X220 user suggested in a fix that involves ACPI configuration rather than a kernel change that you might try:
http://fstyle.de/hp_fstyle/wordpress/2012/08/10/ubuntu-12-04-acpi/ -- 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/1233794 Title: [LENOVO ThinkPad X220] suspend/resume failure Status in “linux” package in Ubuntu: Incomplete Bug description: It seem to me that this is a strange problem. After suspend, there is no resume. The strange thing is that after installing a new kernelpackage it work as it should for 2 or 3 times, the it start failing again. ProblemType: KernelOops DistroRelease: Ubuntu 13.10 Package: linux-image-3.11.0-9-generic 3.11.0-9.16 ProcVersionSignature: Ubuntu 3.11.0-9.16-generic 3.11.2 Uname: Linux 3.11.0-9-generic x86_64 Annotation: This occured during a previous suspend and prevented it from resuming properly. ApportVersion: 2.12.5-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: rolfc 2312 F.... pulseaudio /dev/snd/seq: timidity 1375 F.... timidity Date: Tue Oct 1 20:24:13 2013 ExecutablePath: /usr/share/apport/apportcheckresume Failure: suspend/resume HibernationDevice: RESUME=UUID=26a91e75-e73a-4504-831f-5088ed794e48 InstallationDate: Installed on 2012-05-22 (497 days ago) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) InterpreterPath: /usr/bin/python3.3 MachineType: LENOVO 42914CG MarkForUpload: True ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume ProcEnviron: TERM=linux PATH=(custom, no user) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-9-generic root=UUID=0e70b3de-2758-4c05-aee2-4955f07e0e7c ro quiet splash vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Daemon not responding. RelatedPackageVersions: linux-restricted-modules-3.11.0-9-generic N/A linux-backports-modules-3.11.0-9-generic N/A linux-firmware 1.115 SourcePackage: linux Title: [LENOVO 42914CG] suspend/resume failure UpgradeStatus: Upgraded to saucy on 2013-09-09 (21 days ago) UserGroups: dmi.bios.date: 02/14/2012 dmi.bios.vendor: LENOVO dmi.bios.version: 8DET58WW (1.28 ) dmi.board.asset.tag: Not Available dmi.board.name: 42914CG 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:bvr8DET58WW(1.28):bd02/14/2012:svnLENOVO:pn42914CG:pvrThinkPadX220:rvnLENOVO:rn42914CG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 42914CG dmi.product.version: ThinkPad X220 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1233794/+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
