On 04/12/19 16:07, Catherine Ho wrote:
>> Ok, so the problem is that some MSR didn't exist in that version.  Which
> I thought in my platform, the only MSR didn't exist is MSR_IA32_VMX_BASIC
> (0x480). If I remove this kvm_msr_entry_add(), everything is ok, the guest can
> be boot up successfully.
> 

MSR_IA32_VMX_BASIC was added in kvm-4.10.  Maybe the issue is the
_value_ that is being written to the VM is not valid?  Can you check
what's happening in vmx_restore_vmx_basic?

Paolo


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