Max Bowsher, the next step is to fully reverse commit bisect from kernel 3.16 to 3.17.4 in order to identify the last bad commit, followed immediately by the first good one. Once this commit has been identified, then it may be reviewed as a candidate for backporting into your release. Could you please do this following https://wiki.ubuntu.com/Kernel/KernelBisection#How_do_I_reverse_bisect_the_upstream_kernel.3F ? Please note, finding adjacent kernel versions is not fully commit bisecting.
Thank you for your understanding. Helpful bug reporting tips: https://wiki.ubuntu.com/ReportingBugs ** Tags removed: bios-outdated-a10 ** Tags added: latest-bios-a08 ** Tags added: kernel-fixed-upstream kernel-fixed-upstream-3.17.4 needs- reverse-bisect ** Changed in: linux (Ubuntu) Importance: Low => Medium -- 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/1397694 Title: System lockups with utopic kernel Status in linux package in Ubuntu: Incomplete Bug description: Since upgrading to utopic, I've been experiencing occasional system lockups - when this occurs, nothing at all is responsive including the mouse pointer and Alt-SysRq combinations. Lockups only occur infrequently - perhaps once every day or two days - so testing this is going to be slow and problematic. So far, rolling back to the trusty kernel seems to have fixed it, so it seems unlikely to be a hardware problem. I'm going to reboot into http://kernel.ubuntu.com/~kernel- ppa/mainline/v3.17.4-vivid/ now and run with that for a few days. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-3.16.0-25-generic 3.16.0-25.33 ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7 Uname: Linux 3.16.0-25-generic x86_64 ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: maxb 3916 F.... pulseaudio /dev/snd/controlC0: maxb 3916 F.... pulseaudio CurrentDesktop: Unity Date: Sun Nov 30 15:32:28 2014 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=143e606d-b6a1-4350-af21-aa2f83f8d351 InstallationDate: Installed on 2014-05-29 (185 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) IwConfig: eth0 no wireless extensions. virbr0 no wireless extensions. lo no wireless extensions. MachineType: Dell Inc. Precision T1700 ProcFB: 0 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-25-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash nomdmonddf nomdmonisw vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.16.0-25-generic N/A linux-backports-modules-3.16.0-25-generic N/A linux-firmware 1.138 RfKill: SourcePackage: linux UpgradeStatus: Upgraded to utopic on 2014-11-02 (27 days ago) dmi.bios.date: 04/25/2014 dmi.bios.vendor: Dell Inc. dmi.bios.version: A08 dmi.board.name: 073MMW dmi.board.vendor: Dell Inc. dmi.board.version: A02 dmi.chassis.type: 6 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA08:bd04/25/2014:svnDellInc.:pnPrecisionT1700:pvr01:rvnDellInc.:rn073MMW:rvrA02:cvnDellInc.:ct6:cvr: dmi.product.name: Precision T1700 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/1397694/+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