[ovirt-users] live migrating vm from 4.1.7 to 4.1.9 failed because of vmx flag

[Gianluca Cecchi]

On Fri, Jan 26, 2018 at 12:56 PM, Gianluca Cecchi <gianluca.cecchi at gmail.com
> wrote:

> Hello,
> I'm trying to update an environment from 4.1.7 to 4.1.9.
>
>

> I don't see errors in vdsm logs of target host, but I do see this in
> /var/log/messages of target host
>
> Jan 26 12:39:51 ov200 libvirtd: 2018-01-26 11:39:51.179+0000: 2588: error
> : virCPUx86UpdateLive:2726  : operation failed: guest CPU doesn't match
> specification: missing features: vmx
>
> Indeed dbatest3 VM has this "vmx=on" flag in qemu-kvm command line on
> source host, even if I never configured it explicitly...:
>
>
Both source and target hosts are CentOS 7.4 on Dell M610 with Bios Version:
6.4.0 and Release Date: 07/18/2013 and with same bios settings.

Under Hosts -> General -> Software subtab

- source (4.1.7) has

OS Version: RHEL - 7 - 4.1708.el7.centos
OS Description: CentOS Linux 7 (Core)
Kernel Version: 3.10.0 - 693.2.2.el7.x86_64
KVM Version: 2.9.0 - 16.el7_4.5.1
LIBVIRT Version: libvirt-3.2.0-14.el7_4.3
VDSM Version: vdsm-4.19.31-1.el7.centos
SPICE Version: 0.12.8 - 2.el7.1
GlusterFS Version: [N/A]
CEPH Version: librbd1-0.94.5-2.el7
Kernel Features: N/A


- target (4.1.9) has:


OS Version: RHEL - 7 - 4.1708.el7.centos
OS Description: CentOS Linux 7 (Core)
Kernel Version: 3.10.0 - 693.17.1.el7.x86_64
KVM Version: 2.9.0 - 16.el7_4.13.1
LIBVIRT Version: libvirt-3.2.0-14.el7_4.7
VDSM Version: vdsm-4.19.45-1.el7.centos
SPICE Version: 0.12.8 - 2.el7.1
GlusterFS Version: [N/A]
CEPH Version: librbd1-0.94.5-2.el7
Kernel Features: IBRS: 0, PTI: 1, IBPB: 0

The output of dmidecode command on both hosts is the same, apart bogomips
and MHz lines.
Gianluca
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