> 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? 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
