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How to enable Virtualization on Fatal1ty X470?

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=9964
Printed Date: 21 Apr 2024 at 9:24am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: How to enable Virtualization on Fatal1ty X470?
Posted By: RBK
Subject: How to enable Virtualization on Fatal1ty X470?
Date Posted: 21 Oct 2018 at 3:56am
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Running Linux, it's not possible to use virtualization on the Fatal1ty X470 Gaming K4.
The CPU support is there:
# lscpu | grep Virtualization
Virtualization:      AMD-V

But trying to load the kermel module, one gets this error message:
# modprobe kvm-amd
modprobe: ERROR: could not insert 'kvm_amd': Operation not supported

Normally, this is because of virtualization turned off in the BIOS by some security setting.
What is the BIOS option to turn virtualization on?



Replies:
Posted By: RBK
Date Posted: 21 Oct 2018 at 6:53pm
Moreover, when I modprobe kvm-amd, such a line is appended to the kernel ring buffer:
[54406.792989] kvm: disabled by bios


Posted By: basedmeezus
Date Posted: 23 Oct 2018 at 5:45am
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In uefi/bios, should be under advanced -> cpu configuration -> SVM. Set from disabled to enable. Also check out the OC Tweaker and enable SMT. 

SVM = Secure Virtual Machine
SMT = Simultaneous Multithreading 

Also which Linux kernel version are you running? I know there's a bug within asrock bios containing agesa pinnacle_pi 1.0.0.4. Upgrading your Linux kernel to 4.18.10+ should resolve any virtualization issues your having if you have AMD SVM enabled.


Posted By: RBK
Date Posted: 23 Oct 2018 at 6:25am
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Got it and it works (kernel is 4.18.10). Thanks a lot!
I'm just wondering why this is turned off by default?


Posted By: basedmeezus
Date Posted: 23 Oct 2018 at 7:08am
https://www.quora.com/Why-is-it-needed-to-enable-virtualization-from-BIOS-in-order-to-emulate-OSes" rel="nofollow - https://www.quora.com/Why-is-it-needed-to-enable-virtualization-from-BIOS-in-order-to-emulate-OSes

I would guess mostly because of security reasons



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