Public bug reported:

After upgrading my Ubuntu Hyper-V VM to the latest kernel
(4.4.0-67-generic, Ubuntu 16.04.2 LTS), it started crashing after saving
and restoring it.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-67-generic 4.4.0-67.88
ProcVersionSignature: Ubuntu 4.4.0-67.88-generic 4.4.49
Uname: Linux 4.4.0-67-generic x86_64
AlsaDevices:
 total 0
 crw-rw----+ 1 root audio 116,  1 Mar 26 20:49 seq
 crw-rw----+ 1 root audio 116, 33 Mar 26 20:49 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
Date: Sun Mar 26 20:51:29 2017
HibernationDevice: RESUME=/dev/mapper/HUGVWEB01--vg-swap_1
InstallationDate: Installed on 2015-10-29 (514 days ago)
InstallationMedia: Ubuntu-Server 15.10 "Wily Werewolf" - Release amd64 
(20151021)
IwConfig:
 lo        no wireless extensions.
 
 eth0      no wireless extensions.
Lspci:
 
Lsusb: Error: command ['lsusb'] failed with exit code 1:
MachineType: Microsoft Corporation Virtual Machine
PciMultimedia:
 
ProcFB: 0 hyperv_fb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-67-generic.efi.signed 
root=/dev/mapper/hostname--vg-root ro elevator=noop
RelatedPackageVersions:
 linux-restricted-modules-4.4.0-67-generic N/A
 linux-backports-modules-4.4.0-67-generic  N/A
 linux-firmware                            1.157.8
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2017-02-23 (31 days ago)
dmi.bios.date: 11/26/2012
dmi.bios.vendor: Microsoft Corporation
dmi.bios.version: Hyper-V UEFI Release v1.0
dmi.board.asset.tag: None
dmi.board.name: Virtual Machine
dmi.board.vendor: Microsoft Corporation
dmi.board.version: Hyper-V UEFI Release v1.0
dmi.chassis.asset.tag: 0559-3398-3600-3623-3585-8903-93
dmi.chassis.type: 3
dmi.chassis.vendor: Microsoft Corporation
dmi.chassis.version: Hyper-V UEFI Release v1.0
dmi.modalias: 
dmi:bvnMicrosoftCorporation:bvrHyper-VUEFIReleasev1.0:bd11/26/2012:svnMicrosoftCorporation:pnVirtualMachine:pvrHyper-VUEFIReleasev1.0:rvnMicrosoftCorporation:rnVirtualMachine:rvrHyper-VUEFIReleasev1.0:cvnMicrosoftCorporation:ct3:cvrHyper-VUEFIReleasev1.0:
dmi.product.name: Virtual Machine
dmi.product.version: Hyper-V UEFI Release v1.0
dmi.sys.vendor: Microsoft Corporation

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


** Tags: amd64 apport-bug hyper-v third-party-packages xenial

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https://bugs.launchpad.net/bugs/1676209

Title:
  VM crashes after saving and restoring with latest kernel

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