[ovirt-users] CPU Compatibility Problem after Upgrading Centos 8 Stream Host

[Nur Imam Febrianto]

Hi,
This morning I have a problem that suddenly my Host (Using Centos 8 Stream, not oVirt Node) showing error with Cpu Compatibility. It says my CPU doesn’t have Haswell-noTSX and spec_ctrl flag. After downgrading the kernel back from 4.18.0 – 305 to 4.18.0 – 301.1 and rollback yum update, it working again. Do anybody having same issue ?
I’m using Xeon E5-2695v4 with cluster compatibility Secure Intel Haswell. Using oVirt 4.4.6 on CentOS Stream host.

Thanks before.

Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10

[Jeff Bailey]

If it's the same problem that I ran into then it's the latest version of
edk2-ovmf.  I'm not sure why it was pushed into the repos without a
fixed libvirt to go with it.


On 5/25/2021 7:20 AM, Nur Imam Febrianto wrote:
>
> Hi,
>
> This morning I have a problem that suddenly my Host (Using Centos 8
> Stream, not oVirt Node) showing error with Cpu Compatibility. It says
> my CPU doesn’t have Haswell-noTSX and spec_ctrl flag. After
> downgrading the kernel back from 4.18.0 – 305 to 4.18.0 – 301.1 and
> rollback yum update, it working again. Do anybody having same issue ?
>
> I’m using Xeon E5-2695v4 with cluster compatibility Secure Intel
> Haswell. Using oVirt 4.4.6 on CentOS Stream host.
>
> Thanks before.
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows 10
>
>
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[n***@provmed.net]

Thanks Jeff Bailey,

The issue was with edk2-ovmf, rolling that package back and it started recognizing the CPU correctly.
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[Jeff Bailey]

You  might also want to watch out for hostname-3.20-7.el8.x86_64.  It's
causing loops in systemd's service start ordering which get broken by
randomly not starting a service.  Often this service turns out to be
NetworkManager :(


On 5/25/2021 1:38 PM, ***@provmed.net wrote:
> Thanks Jeff Bailey,
>
> The issue was with edk2-ovmf, rolling that package back and it started recognizing the CPU correctly.
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[Jeff Bailey]

Yes, downgrading edk2-ovmf will fix it.  Ultimately, there should be a
new version of libvirt that works with the new edk2-ovmf but for now
they're incompatible.


On 5/26/2021 12:28 PM, k.gunasekhar--- via Users wrote:
> Thank you for your update .
>
> is yum downgrade edk2-ovmf worked? of any other changes to be made.
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[Nur Imam Febrianto]

Confirmed, excluding edk2-ovmf will solve the issue.
Thanks for your info 😊

Regards,
Nur Imam Febrianto

From: Jeff Bailey<mailto:***@cs.kent.edu>
Sent: 25 May 2021 23:16
To: ***@ovirt.org<mailto:***@ovirt.org>
Subject: [ovirt-users] Re: CPU Compatibility Problem after Upgrading Centos 8 Stream Host


If it's the same problem that I ran into then it's the latest version of edk2-ovmf. I'm not sure why it was pushed into the repos without a fixed libvirt to go with it.


On 5/25/2021 7:20 AM, Nur Imam Febrianto wrote:
Hi,
This morning I have a problem that suddenly my Host (Using Centos 8 Stream, not oVirt Node) showing error with Cpu Compatibility. It says my CPU doesn’t have Haswell-noTSX and spec_ctrl flag. After downgrading the kernel back from 4.18.0 – 305 to 4.18.0 – 301.1 and rollback yum update, it working again. Do anybody having same issue ?
I’m using Xeon E5-2695v4 with cluster compatibility Secure Intel Haswell. Using oVirt 4.4.6 on CentOS Stream host.

Thanks before.

Sent from Mail<https://apac01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgo.microsoft.com%2Ffwlink%2F%3FLinkId%3D550986&data=04%7C01%7C%7C8e261ad0aa5449f1cb9408d91f9860e7%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637575561614907947%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=43De0PUOJLqaSFwVQbIHaIvX8f825aim%2B63K%2B7sNTnU%3D&reserved=0> for Windows 10




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[n***@provmed.net]

Hello,

I am also having the same issue after upgrading today but with the skylake CPU. Message states the following flag model_Skylake-Server-noTSX-IBRS is missing. Also running Centos 8 stream not the ovirt node. Thanks
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[Nur Imam Febrianto]

Already trying several things, seem kernel update doesn’t make this problem happen. Already tried to yum update exclude kernel, the issue still happened.

Thanks.

Regards,
Nur Imam Febrianto

From: k.gunasekhar--- via Users<mailto:***@ovirt.org>
Sent: 26 May 2021 12:27
To: ***@ovirt.org<mailto:***@ovirt.org>
Subject: [ovirt-users] Re: CPU Compatibility Problem after Upgrading Centos 8 Stream Host

I also end up with the same problem today. How did rollback yum i see many yum updates in the yum history.

Here is what the error says.

The host CPU does not match the Cluster CPU Type and is running in a degraded mode. It is missing the following CPU flags: model_IvyBridge, spec_ctrl. Please update the host CPU microcode or change the Cluster CPU Type.
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