** Information type changed from Private Security to Public -- 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/1745464
Title: Random reboots with 4.13.0-26 on Ubuntu 16.04 LTS Status in linux package in Ubuntu: Triaged Status in linux source package in Artful: Triaged Bug description: After installing kernel 4.13.0-26 (and 4.13.0-31) we are seeing random reboots on virtual machines (VSIs) hosted by SoftLayer. The physical hosts were patched earlier this month but I don't have the details yet or access to the hypervisors. We noticed 4.13.0-31 was rebooting frequently and went to 4.13.0-26 instead which was performing better but still suffering from the random reboots. The VMs still on the old 4.4 kernels haven't had any random reboots at all. We don't have any intel-microcode package installed, and I'm not sure it would make a difference for VMs...? We have seen this on both Broadwell and Haswell systems. The attached apport file is from one of the Broadwell servers. --- AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Jan 25 11:43 seq crw-rw---- 1 root audio 116, 33 Jan 25 11:43 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 16.04 IwConfig: Error: [Errno 2] No such file or directory Lspci: Lsusb: Error: command ['lsusb'] failed with exit code 1: Package: linux (not installed) PciMultimedia: ProcEnviron: TERM=xterm-256color SHELL=/bin/bash PATH=(custom, no user) LANG=en_US.UTF-8 ProcFB: ProcKernelCmdLine: root=UUID=52c6959b-79b0-4bdd-8ed6-71e0ba782fb4 ro console=hvc0 elevator=noop ProcVersionSignature: Ubuntu 4.13.0-26.29~16.04.2-generic 4.13.13 RelatedPackageVersions: linux-restricted-modules-4.13.0-26-generic N/A linux-backports-modules-4.13.0-26-generic N/A linux-firmware 1.157.8 RfKill: Error: [Errno 2] No such file or directory Tags: xenial uec-images xenial uec-images xenial uec-images Uname: Linux 4.13.0-26-generic x86_64 UnreportableReason: The report belongs to a package that is not installed. UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: False To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1745464/+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
