Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.16 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:

Once testing of the upstream kernel is complete, please mark this bug as

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.16-rc4

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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  watchdog: BUG: soft lockup - CPU#5 stuck for 22s! [kworker/5:4:4887]

Status in linux package in Ubuntu:

Bug description:
  apear after reboot of new laptop installation

  ProblemType: KernelOops
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-10-generic 4.15.0-10.11 [modified: 
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  Annotation: Your system might become unstable now and might need to be 
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
   /dev/snd/controlC0:  gdm        1217 F.... pulseaudio
                        lenkaii    1538 F.... pulseaudio
  Date: Wed Mar  7 13:53:15 2018
  Failure: oops
  HibernationDevice: RESUME=UUID=107145f9-3218-4291-a695-25f53618594a
  InstallationDate: Installed on 2018-03-07 (0 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180305)
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 002: ID 0cf3:e007 Atheros Communications, Inc. 
   Bus 001 Device 004: ID 0bda:568c Realtek Semiconductor Corp. 
   Bus 001 Device 003: ID 0a5c:5832 Broadcom Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. Precision 7520
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions: kerneloops-daemon N/A
  SourcePackage: linux
  Title: watchdog: BUG: soft lockup - CPU#5 stuck for 22s! [kworker/5:4:4887]
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/14/2017
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.6.0
  dmi.board.name: 0GC6C7
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.asset.tag: D20002763
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.product.family: Precision
  dmi.product.name: Precision 7520
  dmi.sys.vendor: Dell Inc.

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