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Libvirt log: internal error: unknown CPU feature

Enver
in Defect Reports [DEPRECATED]

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Hi Guys,

 

I have an Intel i7 5960x CPU and from day one of using KVM within UNRAID I have seen the following errors. Its as if KVM doesn't know which CPU is being passed through or doesn't fully support it?

 

UNRAID Version: 6.3.4

QEMU Version: 2.7.1

Lirbvirt Version: 2.4.0 <- I think is a pretty old version of Lirbvirt and the bug may lie here.

 

Can someone shed light on the below please?

 

 

2017-05-24 19:05:36.598+0000: 10747: info : libvirt version: 2.4.0
2017-05-24 19:05:36.598+0000: 10747: info : hostname: Tower
2017-05-24 19:05:36.598+0000: 10747: warning : qemuDomainObjTaint:3885 : Domain id=1 name='Windows Server 2016 ADFS' uuid=194da13b-d655-a808-28c2-a4931269853f is tainted: high-privileges
2017-05-24 19:05:36.598+0000: 10747: warning : qemuDomainObjTaint:3885 : Domain id=1 name='Windows Server 2016 ADFS' uuid=194da13b-d655-a808-28c2-a4931269853f is tainted: host-cpu
2017-05-24 19:05:36.662+0000: 10747: error : x86FeatureInData:780 : internal error: unknown CPU feature __kvm_hv_spinlocks
2017-05-24 19:05:36.662+0000: 10747: error : x86FeatureInData:780 : internal error: unknown CPU feature __kvm_hv_vendor_id
2017-05-24 19:05:36.787+0000: 10747: warning : qemuDomainObjTaint:3885 : Domain id=2 name='Windows Server 2016 Core DC' uuid=f160aecc-ac0f-c8da-2c9a-65476c1fbc06 is tainted: high-privileges
2017-05-24 19:05:36.787+0000: 10747: warning : qemuDomainObjTaint:3885 : Domain id=2 name='Windows Server 2016 Core DC' uuid=f160aecc-ac0f-c8da-2c9a-65476c1fbc06 is tainted: host-cpu
2017-05-24 19:05:36.847+0000: 10747: error : x86FeatureInData:780 : internal error: unknown CPU feature __kvm_hv_spinlocks
2017-05-24 19:05:36.847+0000: 10747: error : x86FeatureInData:780 : internal error: unknown CPU feature __kvm_hv_vendor_id
2017-05-24 19:05:36.983+0000: 10747: warning : qemuDomainObjTaint:3885 : Domain id=3 name='Windows 10 Pro' uuid=6cdeacc6-d49b-da2b-a62c-f948822dec92 is tainted: high-privileges
2017-05-24 19:05:36.983+0000: 10747: warning : qemuDomainObjTaint:3885 : Domain id=3 name='Windows 10 Pro' uuid=6cdeacc6-d49b-da2b-a62c-f948822dec92 is tainted: host-cpu
2017-05-24 19:05:42.791+0000: 10747: error : x86FeatureInData:780 : internal error: unknown CPU feature __kvm_hv_spinlocks
2017-05-24 19:05:42.791+0000: 10747: error : x86FeatureInData:780 : internal error: unknown CPU feature __kvm_hv_vendor_id

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