Hi,
We still experience this bug. We use Hyper-V 2012 and use Veeam to
create VM backups (though this fact might be irrelevant). We upgraded
our Ubuntu 14.04 to the latest xenial kernel (4.4.0-91) and still
experience the VM hanging/freezing/stacktracing regularly directly after
backup. Sometimes the server becomes unresponsive and shows the
following error in the syslog: "Hyper-V VSS: VSS: freeze of /boot:
Operation not supported" (after that it dies). The stacktrace included
now did not crash the server, but it was definitely caused by the VM
backup.
Some more info:
uname -a:
Linux SERVERNAME 4.4.0-91-generic #114~14.04.1-Ubuntu SMP Wed Aug 9
08:47:26 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
lsmod | grep 'hv_' :
hv_utils 28672 2
hv_storvsc 20480 260
ptp 20480 1 hv_utils
scsi_transport_fc 65536 1 hv_storvsc
hv_netvsc 40960 0
hv_vmbus 90112 6
hyperv_keyboard,hv_netvsc,hid_hyperv,hv_utils,hyperv_fb,hv_storvsc
dpkg --list | grep '4.4':
ii linux-cloud-tools-4.4.0-91-generic 4.4.0-91.114~14.04.1
amd64 Linux kernel version specific cloud tools for version 4.4.0-91
ii linux-cloud-tools-virtual-lts-xenial 4.4.0.91.75
amd64 This package will always depend on the latest minimal generic
kernel cloud tools.
ii linux-generic-lts-xenial 4.4.0.91.75
amd64 Complete Generic Linux kernel and headers
ii linux-headers-4.4.0-91 4.4.0-91.114~14.04.1
all Header files related to Linux kernel version 4.4.0
ii linux-headers-4.4.0-91-generic 4.4.0-91.114~14.04.1
amd64 Linux kernel headers for version 4.4.0 on 64 bit x86 SMP
ii linux-headers-generic-lts-xenial 4.4.0.91.75
amd64 Generic Linux kernel headers
ii linux-image-4.4.0-91-generic 4.4.0-91.114~14.04.1
amd64 Linux kernel image for version 4.4.0 on 64 bit x86 SMP
ii linux-image-extra-4.4.0-91-generic 4.4.0-91.114~14.04.1
amd64 Linux kernel extra modules for version 4.4.0 on 64 bit x86 SMP
ii linux-image-generic-lts-xenial 4.4.0.91.75
amd64 Generic Linux kernel image
ii linux-lts-xenial-cloud-tools-4.4.0-91 4.4.0-91.114~14.04.1
amd64 Linux kernel version specific cloud tools for version 4.4.0-91
ii linux-lts-xenial-tools-4.4.0-91 4.4.0-91.114~14.04.1
amd64 Linux kernel version specific tools for version 4.4.0-91
ii linux-tools-4.4.0-91-generic 4.4.0-91.114~14.04.1
amd64 Linux kernel version specific tools for version 4.4.0-91
ii linux-tools-virtual-lts-xenial 4.4.0.91.75
amd64 This package will always depend on the latest minimal generic
kernel tools.
I hope this issue can get fixed soon. Stop making backups is not really
an option for us.
** Attachment added: "hyperv_backup_kernel_freeze_stacktrace.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1679898/+attachment/4933584/+files/hyperv_backup_kernel_freeze_stacktrace.txt
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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1679898
Title:
[Hyper-V] Ubuntu VM crash during Hyper-V backup or live migration
after installing kernel 4.4.0-72
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Xenial:
In Progress
Bug description:
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Hi, after installing kernel 4.4.0-67 or later I cannot backup my Ubuntu VM's
on Hyper-V.
Microsoft Hyper-v 2012r2 Gen2 VMs
See Attachment for what happens is immediately after backup starts I
get an error.
Eventually the kernel reports it has run out of memory and the machine
just continuously scrolls errors message related to page allocation.
When reseting the virtual machine no logs can be found of the problem.
kernel 4.4.0-72-generic problem still here
DistroRelease: Ubuntu 14.04
InstallationDate: Installed on 2016-02-20 (409 days ago)
InstallationMedia: Ubuntu-Server 14.04.3 LTS "Trusty Tahr" - Beta amd64
(20150805)
Package: linux-image-4.4.0-72-generic 4.4.0-72.93~14.04.1
PackageArchitecture: amd64
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=ru_RU.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 4.4.0-72.93~14.04.1-generic 4.4.49
SourcePackage: linux-lts-xenial
Tags: trusty
Uname: Linux 4.4.0-72-generic x86_64
---
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Apr 5 12:05 seq
crw-rw---- 1 root audio 116, 33 Apr 5 12:05 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.14.1-0ubuntu3.23
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=/dev/mapper/ubuntu--vg-swap_1
InstallationDate: Installed on 2016-02-20 (409 days ago)
InstallationMedia: Ubuntu-Server 14.04.3 LTS "Trusty Tahr" - Beta amd64
(20150805)
IwConfig:
lo no wireless extensions.
eth1 no wireless extensions.
eth0 no wireless extensions.
Lspci:
Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize
libusb: -99
MachineType: Microsoft Corporation Virtual Machine
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=C
SHELL=/bin/bash
ProcFB: 0 hyperv_fb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-72-generic.efi.signed
root=/dev/mapper/ubuntu--vg-root ro
ProcVersionSignature: Ubuntu 4.4.0-72.93~14.04.1-generic 4.4.49
RelatedPackageVersions:
linux-restricted-modules-4.4.0-72-generic N/A
linux-backports-modules-4.4.0-72-generic N/A
linux-firmware 1.127.23
RfKill: Error: [Errno 2] No such file or directory
Tags: trusty
Uname: Linux 4.4.0-72-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
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: 5894-4187-8369-8212-0547-2747-15
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
---
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Apr 10 10:33 seq
crw-rw---- 1 root audio 116, 33 Apr 10 10:33 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.14.1-0ubuntu3.23
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=/dev/mapper/ubuntu--vg-swap_1
InstallationDate: Installed on 2016-02-20 (414 days ago)
InstallationMedia: Ubuntu-Server 14.04.3 LTS "Trusty Tahr" - Beta amd64
(20150805)
IwConfig:
lo no wireless extensions.
eth1 no wireless extensions.
eth0 no wireless extensions.
Lspci:
Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize
libusb: -99
MachineType: Microsoft Corporation Virtual Machine
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=C
SHELL=/bin/bash
ProcFB: 0 hyperv_fb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-73-generic
root=/dev/mapper/ubuntu--vg-root ro
ProcVersionSignature: Ubuntu 4.4.0-73.94~lp1679898v2-generic 4.4.59
RelatedPackageVersions:
linux-restricted-modules-4.4.0-73-generic N/A
linux-backports-modules-4.4.0-73-generic N/A
linux-firmware 1.127.23
RfKill: Error: [Errno 2] No such file or directory
Tags: trusty trusty
Uname: Linux 4.4.0-73-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
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: 5894-4187-8369-8212-0547-2747-15
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
---
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Apr 26 09:58 seq
crw-rw---- 1 root audio 116, 33 Apr 26 09:58 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.14.1-0ubuntu3.23
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=/dev/mapper/ubuntu--vg-swap_1
InstallationDate: Installed on 2016-02-20 (430 days ago)
InstallationMedia: Ubuntu-Server 14.04.3 LTS "Trusty Tahr" - Beta amd64
(20150805)
IwConfig:
lo no wireless extensions.
eth1 no wireless extensions.
eth0 no wireless extensions.
Lspci:
Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize
libusb: -99
MachineType: Microsoft Corporation Virtual Machine
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=C
SHELL=/bin/bash
ProcFB: 0 hyperv_fb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-75-generic.efi.signed
root=/dev/mapper/ubuntu--vg-root ro
ProcVersionSignature: Ubuntu 4.4.0-75.96~14.04.1-generic 4.4.59
RelatedPackageVersions:
linux-restricted-modules-4.4.0-75-generic N/A
linux-backports-modules-4.4.0-75-generic N/A
linux-firmware 1.127.23
RfKill: Error: [Errno 2] No such file or directory
Tags: trusty trusty
Uname: Linux 4.4.0-75-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
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: 5894-4187-8369-8212-0547-2747-15
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
---
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 May 17 20:37 seq
crw-rw---- 1 root audio 116, 33 May 17 20:37 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.14.1-0ubuntu3.23
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
CurrentDmesg:
[ 28.480339] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
[ 28.528215] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 30.122225] init: plymouth-upstart-bridge main process ended, respawning
[ 53.463858] hv_balloon: Received INFO_TYPE_MAX_PAGE_CNT
[ 53.463891] hv_balloon: Data Size is 8
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=/dev/mapper/ubuntu--vg-swap_1
InstallationDate: Installed on 2016-02-20 (452 days ago)
InstallationMedia: Ubuntu-Server 14.04.3 LTS "Trusty Tahr" - Beta amd64
(20150805)
IwConfig:
lo no wireless extensions.
eth1 no wireless extensions.
eth0 no wireless extensions.
Lspci:
Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize
libusb: -99
MachineType: Microsoft Corporation Virtual Machine
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=C
SHELL=/bin/bash
ProcFB: 0 hyperv_fb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-78-generic.efi.signed
root=/dev/mapper/ubuntu--vg-root ro
ProcVersionSignature: Ubuntu 4.4.0-78.99~14.04.2-generic 4.4.62
RelatedPackageVersions:
linux-restricted-modules-4.4.0-78-generic N/A
linux-backports-modules-4.4.0-78-generic N/A
linux-firmware 1.127.23
RfKill: Error: [Errno 2] No such file or directory
Tags: trusty trusty
Uname: Linux 4.4.0-78-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
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: 5894-4187-8369-8212-0547-2747-15
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
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