Public bug reported:

Since doing a fresh install of 18.04 Beta, I experience random lock-ups.
Also, running Neofetch causes what looks like a hard lock, but the
screen continues to refresh (system monitor continues to display new
data).  However, inputs don't work (mouse and keyboard).  Not sure if
this is related.

ProblemType: KernelOops
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-13-generic 4.15.0-13.14 [modified: 
boot/vmlinuz-4.15.0-13-generic]
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
Annotation: Your system might become unstable now and might need to be 
restarted.
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  gdm        1399 F.... pulseaudio
                      matt       1858 F.... pulseaudio
Date: Sun Apr  8 07:47:01 2018
Failure: oops
InstallationDate: Installed on 2018-04-08 (0 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 002: ID 0cf3:e301 Atheros Communications, Inc. 
 Bus 001 Device 003: ID 0c45:6713 Microdia 
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. XPS 15 9560
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed 
root=UUID=b76f80b3-e457-4e69-9039-56a3e167ea6a ro recovery nomodeset
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#7 stuck for 22s! [kworker/7:2:729]
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/25/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.7.1
dmi.board.name: 05FFDN
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvr1.7.1:bd01/25/2018:svnDellInc.:pnXPS159560:pvr:rvnDellInc.:rn05FFDN:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: XPS
dmi.product.name: XPS 15 9560
dmi.sys.vendor: Dell Inc.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-kerneloops bionic kernel-oops

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https://bugs.launchpad.net/bugs/1762189

Title:
  watchdog: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:729]

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Since doing a fresh install of 18.04 Beta, I experience random lock-
  ups.  Also, running Neofetch causes what looks like a hard lock, but
  the screen continues to refresh (system monitor continues to display
  new data).  However, inputs don't work (mouse and keyboard).  Not sure
  if this is related.

  ProblemType: KernelOops
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-13-generic 4.15.0-13.14 [modified: 
boot/vmlinuz-4.15.0-13-generic]
  ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
  Uname: Linux 4.15.0-13-generic x86_64
  Annotation: Your system might become unstable now and might need to be 
restarted.
  ApportVersion: 2.20.9-0ubuntu4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  gdm        1399 F.... pulseaudio
                        matt       1858 F.... pulseaudio
  Date: Sun Apr  8 07:47:01 2018
  Failure: oops
  InstallationDate: Installed on 2018-04-08 (0 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 002: ID 0cf3:e301 Atheros Communications, Inc. 
   Bus 001 Device 003: ID 0c45:6713 Microdia 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. XPS 15 9560
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed 
root=UUID=b76f80b3-e457-4e69-9039-56a3e167ea6a ro recovery nomodeset
  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#7 stuck for 22s! [kworker/7:2:729]
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/25/2018
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.7.1
  dmi.board.name: 05FFDN
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.7.1:bd01/25/2018:svnDellInc.:pnXPS159560:pvr:rvnDellInc.:rn05FFDN:rvrA00:cvnDellInc.:ct10:cvr:
  dmi.product.family: XPS
  dmi.product.name: XPS 15 9560
  dmi.sys.vendor: Dell Inc.

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