2013/1/14 Michael Beham <[email protected]>
> Hi,
>
> I´m testing to start a KVM-VM with different CPU settings and I get an
> weird error when I use the parameter: <cpu mode='host-model'> !!
> I have a AMD Opteron 4280 CPU, but in the VM, proc/cpuinfo shows me, that
> I´m using Intel core2duo cpu model T7700 and in the flag-line of proc/cpu
> the system is listing the svm-flag of AMD?!?! If I use <cpu
> mode='host-passthrough'> I get the right CPU-model listed in the VM!
>
> Anyone an idea why I get the wrong information with host-model?
>
> BTW some further information about used versions:
> LibVirt version is 0.9.12
> qemu-kvm 1.0
> Kernel 3.3.2
>
> host-model Libvirt does not model every aspect of each CPU so the guest
CPU will not match the host CPU exactly. host-passthrough
With this mode, the CPU visible to the guest should be exactly the
same as the host CPU even in the aspects that libvirt does not understand.
(from http://libvirt.org/formatdomain.html#elementsCPU)
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