[Bug 1021271] Re: KVM "enabling virtualization on CPU0 failed"

[Hong Yuan]

$ kvm-ok
INFO: /dev/kvm exists
KVM acceleration can be used

BIOS is OK. I haven't change anything during the upgrade to 12.04. And
now I installed a parallel installation of 10.04 on another partition.
When the machine is booted into that distribution, all VM's run as
usual. It's just with 12.04 that the error occur:

$ dmesg | grep kvm
[   16.662398] kvm: Nested Virtualization enabled
[   16.662402] kvm: Nested Paging enabled
[   18.496106] kvm: enabling virtualization on CPU0 failed
[   18.556637] kvm: enabling virtualization on CPU0 failed
[  212.738592] kvm: enabling virtualization on CPU0 failed
[  213.179775] kvm: enabling virtualization on CPU0 failed
[  213.540391] kvm: enabling virtualization on CPU0 failed

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https://bugs.launchpad.net/bugs/1021271

Title:
  KVM "enabling virtualization on CPU0 failed"

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