Issue after latest host update

andyhhp

@RealTehreal Thank-you very much for that information. I'll follow up with Intel.

In the short term, I'd recommend just using the old microcode.

olivierlambert

FYI I ordered and received a Mini PC based on a Celeron N4000 for internal testing (Gemini Lake "non-refresh"), and we were able to reproduce the issue

So as @andyhhp said, now we are 100% sure it's the microcode, it's up to Intel, who is now aware of this!

mr_zz

This post is deleted!

mr_zz

@nikade said in Issue after latest host update:

@RealTehreal said in Issue after latest host update:
@RealTehreal
Step-by-step instructions, in case, someone else has the same issue:

1.: yum history list to get the transaction id of the last update.

2.: yum history info # with # being the id from step 1, to list the updates done in this transaction. The interesting part for me was
Updated microcode_ctl-2:2.1-26.xs26.2.xcpng8.2.x86_64  
Update                2:2.1-26.xs28.1.xcpng8.2.x86_64
3.:yum downgrade microcode_ctl-2:2.1-26.xs26.2.xcpng8.2.x86_64 to downgrade to the previous version. You will have to enter the older version for this command.

4.: Wait until it's done, reboot, test, pray it'll work again.

This is just a workaround! Microcode updates are important security and/or functional updates. Downgrading can lead to security issues.
Thanks for sharing the resolution, im sure it will help someone else in the future.

@nikade Here I am!
Same problem (obviously) for Intel J4005 (I'm new to xcp-ng and I'm thinking about a homelab migration from Proxmox to an old NUC 7 as a test).
So thank you all very much for clarifying me which of the 65 updates (from the initial downloaded image) was the problem that was driving me crazy in these days of testing!

nikade

@mr_zz welcome to the forum

andyhhp

@RealTehreal I've got a fix from Intel, and @stormi has packaged it.

yum update microcode_ctl --enablerepo=xcp-ng-testing should get you microcode_ctl-2.1-26.xs29.2.xcpng8.2 which has the fixed microcode for this issue in it.

mgigirey

@andyhhp Any plans to update the intel-microcode for XCP-ng 8.3? latest know version working in my setup is intel-microcode-20231009-1.xcpng8.3.noarch.rpm

andyhhp

@mgigirey said in Issue after latest host update:

@andyhhp Any plans to update the intel-microcode for XCP-ng 8.3? latest know version working in my setup is intel-microcode-20231009-1.xcpng8.3.noarch.rpm

I am not an XCP-ng developer. You'll have to ask @stormi for that.

stormi

@mgigirey Yes, soon.

mgigirey

@stormi Thanks, looking forward.