On 31/03/2016 17:38, Peter Lieven wrote: > > >> Am 31.03.2016 um 15:23 schrieb Paolo Bonzini <pbonz...@redhat.com>: >> >> >> >>> On 31/03/2016 15:12, Peter Lieven wrote: >>>>> >>>>> KVM does not let you read or write this MSR if the corresponding CPUID >>>>> bit is not set. This in turn causes MSRs that come after MSR_TSC_AUX >>>>> to be ignored by KVM_SET_MRSS. >>> >>> Is it possible that this causes a freeze when migrating vom qemu 2.2.0 >>> to 2.5.1? >> >> I wouldn't exclude it if the CPU model is Westmere or earlier. > > the Host CPU or the Emulated CPU?
The guest. Paolo > We emulate Westmere and have also some old blades with Westmere CPUs. > > anyway, i give this a try. > > Michael, this should have gone into 2.5.1 i think... > > Thanks, > Peter > >