Public bug reported: Booting this kernel ended with
[35.111831] NMI watchdog: Watchdog detected hard LOCKUP on cpu 1 [36.073026] NMI watchdog: Watchdog detected hard LOCKUP on cpu 2 [36.153549] NMI watchdog: Watchdog detected hard LOCKUP on cpu 0 [36.451526] NMI watchdog: Watchdog detected hard LOCKUP on cpu 3 Booting previous kernel linux-image-4.4.0-109-generic is working smoothly as well as previous ones. cat /proc/version_signature = Ubuntu 4.4.0-109.132-generic 4.4.98 ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-112-generic 4.4.0-112.135 ProcVersionSignature: Ubuntu 4.4.0-109.132-generic 4.4.98 Uname: Linux 4.4.0-109-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.15 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: dh 2583 F.... pulseaudio /dev/snd/controlC1: dh 2583 F.... pulseaudio CurrentDesktop: Unity Date: Fri Feb 9 19:02:26 2018 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-precise-amd64-20130203-1 HibernationDevice: RESUME=UUID=103ed14e-e6b6-49d5-a28f-020343e6a118 InstallationDate: Installed on 2013-10-13 (1580 days ago) InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20130203-13:50 MachineType: Dell Inc. Latitude E7440 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-109-generic root=UUID=8a01ac20-42e5-49f3-b385-674e05cd8d7c ro quiet splash acpi_rev_override=1 RelatedPackageVersions: linux-restricted-modules-4.4.0-109-generic N/A linux-backports-modules-4.4.0-109-generic N/A linux-firmware 1.157.15 SourcePackage: linux UpgradeStatus: Upgraded to xenial on 2016-10-05 (491 days ago) dmi.bios.date: 12/15/2017 dmi.bios.vendor: Dell Inc. dmi.bios.version: A23 dmi.board.name: 0JNYGR dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA23:bd12/15/2017:svnDellInc.:pnLatitudeE7440:pvr00:rvnDellInc.:rn0JNYGR:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E7440 dmi.product.version: 00 dmi.sys.vendor: Dell Inc. ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug linux-image xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1748505 Title: Boot failed with hard LOCKUP linux-image-4.4.0-112 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1748505/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs