kvm: vcpu unhandled rdmsr:

[poma]

On 22.12.2014 10:25, Paolo Bonzini wrote:
> 
> 
> On 19/12/2014 22:56, poma wrote:
>>   <cpu mode='host-model'>
>>     <model fallback='allow'/>
>>   </cpu>
> 
> host-model is buggy (I'd say a failed experiment).  Can you try
> host-passthrough?

Yeah, I switched to cpu mode='host-passthrough', but ultimately any CPU compatible mode wasn't decisive.

These messages are repeated:
[ 1792.347360] kvm [3617]: vcpu0 unhandled rdmsr: 0xc0010112
[ 1792.421221] kvm [3617]: vcpu0 unhandled rdmsr: 0xc0010048
[ 1792.552303] kvm [3617]: vcpu0 unimplemented perfctr wrmsr: 0xc0010004 data 0xffff
[ 1792.565169] kvm [3617]: vcpu1 unhandled rdmsr: 0xc0010048
[ 1798.675598] kvm [3617]: vcpu1 unhandled rdmsr: 0x3a
[ 1798.675606] kvm [3617]: vcpu1 unhandled rdmsr: 0xd90

> 
> That said, crashing the host is not something that should happen.  Can
> you get a vmcore or at least an abrt report?
> 
> Paolo
> 

Currently, this simply cannot be reproduced.

BTW Mister Bonzini, should kvm[_amd].ko be unloaded in the guest?