[Bug 1814069] Re: kernel linux-image-4.15.0-44 not booting on Hyperv Server 2008R2

** Attachment added: "last part of kernel panic stack trace"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1814069/+attachment/5242576/+files/screenshot2.png

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https://bugs.launchpad.net/bugs/1814069

Title:
kernel linux-image-4.15.0-44 not booting on Hyperv Server 2008R2

Status in linux package in Ubuntu:
Confirmed

Bug description:
Ubuntu stuck on booting on HyperV Server 2008R2.
I saw kernel messages, seems to load ram image the boot is stuck.
Seems to be a problem with hyperv drivers propably harddrive.
Reverted back to the previous kernel.

Description: Ubuntu 18.04.1 LTS
Release: 18.04Description: Ubuntu 18.04.1 LTS
Release: 18.04
---
ProblemType: Bug
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jan 31 08:52 seq
crw-rw---- 1 root audio 116, 33 Jan 31 08:52 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
DistroRelease: Ubuntu 18.04
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb: Error: command ['lsusb'] failed with exit code 1:
MachineType: Microsoft Corporation Virtual Machine
Package: linux (not installed)
PciMultimedia:

ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 hyperv_fb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-43-generic root=UUID=86036ccb-bc11-11e8-93c9-00155dfd7535 ro maybe-ubiquity
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
RelatedPackageVersions:
linux-restricted-modules-4.15.0-43-generic N/A
linux-backports-modules-4.15.0-43-generic N/A
linux-firmware 1.173.3
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
Tags: bionic uec-images
Uname: Linux 4.15.0-43-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

_MarkForUpload: True
dmi.bios.date: 03/19/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 090004
dmi.board.name: Virtual Machine
dmi.board.vendor: Microsoft Corporation
dmi.board.version: 7.0
dmi.chassis.asset.tag: 8531-7125-9206-2460-7819-2663-90
dmi.chassis.type: 3
dmi.chassis.vendor: Microsoft Corporation
dmi.chassis.version: 7.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr090004:bd03/19/2009:svnMicrosoftCorporation:pnVirtualMachine:pvr7.0:rvnMicrosoftCorporation:rnVirtualMachine:rvr7.0:cvnMicrosoftCorporation:ct3:cvr7.0:
dmi.product.name: Virtual Machine
dmi.product.version: 7.0
dmi.sys.vendor: Microsoft Corporation

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