testing reveals that the bug is linked to lightdm It is not reproducible when lightdm is not running. When lightdm is running, a wide range of kernels show the resume fail. These kernels do not fail resume when lightdm is not running
** Description changed: does not resume (no backlight on LCD panel, for example) + seems to be caused by lightdm not by kernel; when + service lightdm stop + bug is not reproduced by pm-suspend + ProblemType: KernelOops DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-17-generic 3.13.0-17.37 ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6 Uname: Linux 3.13.0-17-generic i686 Annotation: This occured during a previous suspend and prevented it from resuming properly. ApportVersion: 2.13.3-0ubuntu1 Architecture: i386 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: katherine 1676 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: katherine 1676 F.... pulseaudio Date: Tue Mar 11 21:08:32 2014 ExecutablePath: /usr/share/apport/apportcheckresume Failure: suspend/resume HibernationDevice: RESUME=UUID=3dd143c7-add5-4b7b-8c26-bbd7446abb39 InstallationDate: Installed on 2013-11-09 (121 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release i386 (20131016.1) InterpreterPath: /usr/bin/python3.4 MachineType: TOSHIBA Satellite U400 ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume ProcEnviron: - TERM=linux - PATH=(custom, no user) + TERM=linux + PATH=(custom, no user) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-17-generic root=UUID=9d9d9d28-df78-475d-af30-72b9ecb189be 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-3.13.0-17-generic N/A - linux-backports-modules-3.13.0-17-generic N/A - linux-firmware 1.126 + linux-restricted-modules-3.13.0-17-generic N/A + linux-backports-modules-3.13.0-17-generic N/A + linux-firmware 1.126 SourcePackage: linux Title: [TOSHIBA Satellite U400] suspend/resume failure UpgradeStatus: Upgraded to trusty on 2014-03-02 (8 days ago) UserGroups: - + dmi.bios.date: 10/25/2010 dmi.bios.vendor: TOSHIBA dmi.bios.version: V4.70 dmi.board.name: Satellite U400 dmi.board.vendor: TOSHIBA dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: N/A dmi.modalias: dmi:bvnTOSHIBA:bvrV4.70:bd10/25/2010:svnTOSHIBA:pnSatelliteU400:pvrPSU40A-01M001:rvnTOSHIBA:rnSatelliteU400:rvrNotApplicable:cvnTOSHIBA:ct10:cvrN/A: dmi.product.name: Satellite U400 dmi.product.version: PSU40A-01M001 dmi.sys.vendor: TOSHIBA ** Package changed: linux (Ubuntu) => lightdm (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1290787 Title: [TOSHIBA Satellite U400] suspend/resume failure To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1290787/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
