Ben Kahle, the next step is to fully reverse commit bisect in order to identify the fix commit. Could you please do this following https://wiki.ubuntu.com/Kernel/KernelBisection#How_do_I_reverse_bisect_the_upstream_kernel.3F ?
** Tags added: latest-bios-a21 ** Tags removed: kernel-fixed-upstream ** Tags added: kernel-fixed-upstream-v3.15-rc4 ** Tags removed: kernel-fixed-upstream-v3.15-rc4 ** Tags added: kernel-fixed-upstream-3.15-rc4 ** Tags added: needs-reverse-bisect -- 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/1315496 Title: [Dell Latitude E6420] Occasional Lock-up on Suspend Status in “linux” package in Ubuntu: Incomplete Bug description: After upgrading to Ubuntu 14.04 my computer will no longer suspend consistently. Approximately 20% of the times I suspend from the menu or command line, the screen will go black and display the following text. The only way to gain control at this point is to hard reset the computer. [ 445.032801] PM: Syncing filesystems … done. [ 445.057818] PM: Preparing system for mem sleep [ 445.058006] Freezing user space processes --- (elapsed 0.001 seconds) done. [ 445.059860] Freezing remaining freezable tasks … (elapsed 0.001 seconds) done. [ 445.061194] PM: Entering mem sleep [ 445.061247] Suspending console(s) (use no_console_suspend to debug) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified: boot/vmlinuz-3.13.0-24-generic] ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: benkahle 2248 F.... pulseaudio /dev/snd/controlC0: benkahle 2248 F.... pulseaudio CurrentDesktop: Unity Date: Fri May 2 14:58:50 2014 HibernationDevice: RESUME=UUID=0143f701-3686-435d-9f83-73d27932a41f InstallationDate: Installed on 2014-04-18 (14 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Dell Inc. Latitude E6420 ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=2a55ff46-6bfd-46b7-b7e2-e80e2c59a6d2 ro quiet splash 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 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/01/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A16 dmi.board.name: 038C0K dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA16:bd01/01/2013:svnDellInc.:pnLatitudeE6420:pvr01:rvnDellInc.:rn038C0K:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6420 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1315496/+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
