kernel linux-image-4.15.0-45 not booting on Hyperv Server 2008R2

Bug #1815491 reported by Mark Kovach on 2019-02-11
This bug affects 9 people
Affects Status Importance Assigned to Milestone
linux (Ubuntu)

Bug Description

4.15.0-45 and 4.15.0-44 do not boot. Had to fall back to 4.15.0-38

cat /proc/version_signature
Ubuntu 4.15.0-38.41-generic 4.15.18

cat /etc/lsb-release

I cannot scroll back in the hyperv console window but it seems to get to the mouse and keyboard then after some time goes to a initramfs prompt.

Similar to this:
ProblemType: Bug
 total 0
 crw-rw---- 1 root audio 116, 1 Feb 12 10:24 seq
 crw-rw---- 1 root audio 116, 33 Feb 12 10:24 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
HibernationDevice: RESUME=UUID=d096b281-666e-415a-9806-5e0682e688ca
InstallationDate: Installed on 2017-09-12 (519 days ago)
InstallationMedia: Ubuntu-Server 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
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)

 PATH=(custom, no user)
ProcFB: 0 hyperv_fb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-38-generic root=UUID=4ac902ca-92c3-46b4-bdba-329d6664013f ro
ProcVersionSignature: Ubuntu 4.15.0-38.41-generic 4.15.18
 linux-restricted-modules-4.15.0-38-generic N/A
 linux-backports-modules-4.15.0-38-generic N/A
 linux-firmware 1.173.3
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
Tags: bionic
Uname: Linux 4.15.0-38-generic x86_64
UpgradeStatus: Upgraded to bionic on 2018-08-30 (167 days ago)
UserGroups: lpadmin
_MarkForUpload: True 05/23/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 090006 Virtual Machine
dmi.board.vendor: Microsoft Corporation
dmi.board.version: 7.0
dmi.chassis.asset.tag: 7566-3064-6782-5715-9023-4258-77
dmi.chassis.type: 3
dmi.chassis.vendor: Microsoft Corporation
dmi.chassis.version: 7.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr090006:bd05/23/2012:svnMicrosoftCorporation:pnVirtualMachine:pvr7.0:rvnMicrosoftCorporation:rnVirtualMachine:rvr7.0:cvnMicrosoftCorporation:ct3:cvr7.0: Virtual Machine
dmi.product.version: 7.0
dmi.sys.vendor: Microsoft Corporation

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1815491

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
Changed in linux (Ubuntu):
status: Incomplete → Confirmed
tags: added: kernel-hyper-v kernel-key

apport information

tags: added: apport-collected bionic
description: updated

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kaktus rav (x.kaktus) wrote :

This problem is relevant for Hyper-V Win_2012, Win_2012R2, Win_2008R2

Mark Kovach (squidly70) wrote :

adding 4.15.0-46 to the list now. It gives the same error and will not boot.

Kai-Heng Feng (kaihengfeng) wrote :

Probably caused by LP: #1807757.

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