Would it be possible for you to test the latest upstream stable kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.4 stable kernel[0].
If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.23 ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Tags added: kernel-da-key -- 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/1629482 Title: 4.4.0-38-generic reboots periodically Status in linux package in Ubuntu: Confirmed Bug description: When upgrading a server to 4.4.0-38-generic, it started to reboot every ~45 minutes without any visible reasons. Logs look fine. Just reboots. My other computer (a desktop) works fine with the same setup. Another difference: the server hosts ZFS raid. Unfortunately (fortunately) I had this problem ~2 years ago. That time after much debugging it turned out to be a kernel problem. So I loaded a previous kernel (4.4.0-36-generic), and it is rock solid again. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-36-generic 4.4.0-36.55 ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16 Uname: Linux 4.4.0-36-generic x86_64 NonfreeKernelModules: zfs zunicode zcommon znvpair zavl AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.4.0-36-generic. AplayDevices: aplay: device_list:268: no soundcards found... ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 ArecordDevices: arecord: device_list:268: no soundcards found... AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/hwC1D3', '/dev/snd/hwC1D2', '/dev/snd/hwC1D1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D9p', '/dev/snd/pcmC1D8p', '/dev/snd/pcmC1D7p', '/dev/snd/pcmC1D3p', '/dev/snd/controlC1', '/dev/snd/by-path', '/dev/snd/hwC0D2', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Fri Sep 30 17:35:35 2016 HibernationDevice: RESUME=/dev/mapper/croc--vg-swap_1 InstallationDate: Installed on 2013-11-05 (1060 days ago) InstallationMedia: Ubuntu-Server 13.10 "Saucy Salamander" - Release amd64 (20131016) IwConfig: lo no wireless extensions. eth0 no wireless extensions. ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-36-generic root=/dev/mapper/hostname--vg-root ro nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw RelatedPackageVersions: linux-restricted-modules-4.4.0-36-generic N/A linux-backports-modules-4.4.0-36-generic N/A linux-firmware 1.157.3 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: Upgraded to xenial on 2016-04-24 (159 days ago) dmi.bios.date: 05/02/2007 dmi.bios.vendor: Intel Corp. dmi.bios.version: DPP3510J.86A.0216.2007.0502.1916 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: DP35DP dmi.board.vendor: Intel Corporation dmi.board.version: AAD81073-206 dmi.chassis.type: 2 dmi.modalias: dmi:bvnIntelCorp.:bvrDPP3510J.86A.0216.2007.0502.1916:bd05/02/2007:svn:pn:pvr:rvnIntelCorporation:rnDP35DP:rvrAAD81073-206:cvn:ct2:cvr: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1629482/+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