Public bug reported:
When running lshw the VM sits scanning SCSI for a full minute. At the
same time CPUs show 100% usage. This appears to happen on all 4.4 kernel
versions running as virtual machines on Hyper-V even with the latest
integration services. This did not happen on earlier kernel versions.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-62-generic 4.4.0-62.83
ProcVersionSignature: Ubuntu 4.4.0-62.83-generic 4.4.40
Uname: Linux 4.4.0-62-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Feb 9 13:29 seq
crw-rw---- 1 root audio 116, 33 Feb 9 13:29 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: Thu Feb 9 15:02:52 2017
HibernationDevice: RESUME=/dev/mapper/ubuntu16--test--vg-swap_1
InstallationDate: Installed on 2017-02-09 (0 days ago)
InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.3)
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lspci:
Lsusb: Error: command ['lsusb'] failed with exit code 1:
MachineType: Microsoft Corporation Virtual Machine
PciMultimedia:
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcFB: 0 hyperv_fb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-62-generic.efi.signed
root=/dev/mapper/ubuntu16--test--vg-root ro
RelatedPackageVersions:
linux-restricted-modules-4.4.0-62-generic N/A
linux-backports-modules-4.4.0-62-generic N/A
linux-firmware 1.157.8
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
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: 1717-5533-3372-2633-2683-8440-10
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: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1663263
Title:
lshw run on Hyper-V VM hangs system
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