lshw run on Hyper-V VM hangs system
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
High
|
Unassigned | ||
Xenial |
Confirmed
|
High
|
Unassigned |
Bug Description
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-
ProcVersionSign
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=
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=
RelatedPackageV
linux-
linux-
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.
dmi.board.name: Virtual Machine
dmi.board.vendor: Microsoft Corporation
dmi.board.version: Hyper-V UEFI Release v1.0
dmi.chassis.
dmi.chassis.type: 3
dmi.chassis.vendor: Microsoft Corporation
dmi.chassis.
dmi.modalias: dmi:bvnMicrosof
dmi.product.name: Virtual Machine
dmi.product.
dmi.sys.vendor: Microsoft Corporation
This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:
apport-collect 1663263
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.