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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1745938

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1745938

Title:
  System Freezes while starting VM in virtualbox after Kernrel Upgrade
  4.13.0-31.34

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  On Ubuntu 16.04.3 , I upgraded Kernel 4.13.0-31.34 , which includes specter 
and meltdown fixes. After Upgrade when I was going to start VM in virtualbox 
System is getting freezes. Reboot required to resume system. I faced 4 times. I 
rollback to kernel 4.10.0-42. Now I am able to start vm perfectly. Please look 
into this kernel issue.
  --- 
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ketankumar.patel   2098 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=2a3a4447-c93a-46fc-96e9-56023bb774f8
  InstallationDate: Installed on 2017-09-11 (139 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 
(20170801)
  JournalErrors:
   Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] 
failed with exit code 1: Hint: You are currently not seeing messages from other 
users and the system.
         Users in the 'systemd-journal' group can see all messages. Pass -q to
         turn off this notice.
   No journal files were opened due to insufficient permissions.
  MachineType: LENOVO 20FL000FMS
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.10.0-42-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.10.0-42.46~16.04.1-generic 4.10.17
  RelatedPackageVersions:
   linux-restricted-modules-4.10.0-42-generic N/A
   linux-backports-modules-4.10.0-42-generic  N/A
   linux-firmware                             1.157.14
  Tags:  xenial
  Uname: Linux 4.10.0-42-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: docker
  WifiSyslog:
   
  _MarkForUpload: True
  dmi.bios.date: 02/10/2017
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1KET30W (1.17 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20FL000FMS
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98417 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1KET30W(1.17):bd02/10/2017:svnLENOVO:pn20FL000FMS:pvrThinkPadP50s:rvnLENOVO:rn20FL000FMS:rvr0B98417WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.name: 20FL000FMS
  dmi.product.version: ThinkPad P50s
  dmi.sys.vendor: LENOVO

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