This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1679898

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
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

** Tags added: trusty

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https://bugs.launchpad.net/bugs/1679898

Title:
  Ubuntu crash during Hyper-V backup after installing kernel 4.4.0-67 or
  later

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Description:    Ubuntu 14.04.5 LTS
  Release:        14.04

  Hi, after installing kernel 4.4.0-67 or later I cannot backup my Ubuntu VM's 
on Hyper-V.
  Microsoft Hyper-v 2012r2 Gen2 VMs

  See Attachment for what happens is immediately after backup starts I
  get an error.

  Eventually the kernel reports it has run out of memory and the machine
  just continuously scrolls errors message related to page allocation.

  When reseting the virtual machine no logs can be found of the problem.

  kernel 4.4.0-72-generic problem still here

  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2016-02-20 (409 days ago)
  InstallationMedia: Ubuntu-Server 14.04.3 LTS "Trusty Tahr" - Beta amd64 
(20150805)
  Package: linux-image-4.4.0-72-generic 4.4.0-72.93~14.04.1
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=ru_RU.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 4.4.0-72.93~14.04.1-generic 4.4.49
  SourcePackage: linux-lts-xenial
  Tags:  trusty
  Uname: Linux 4.4.0-72-generic x86_64

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