On Wed, Jan 04, 2017 at 09:44:06AM -0200, Marcelo Tosatti wrote: > On Tue, Dec 27, 2016 at 05:21:18PM -0200, Eduardo Habkost wrote: > > We can safely allow a VM to be migrated with invtsc enabled if > > tsc-khz is set explicitly, because QEMU already refuses to start > > if it can't set the TSC frequency to the configured value. > > On the source host, yes, but on the destination it does not. > > SOURCE: -cpu kvm64,tsc-frequency=2660001000 > DESTINATION: -cpu kvm64 > > Only prints: > > qemu-system-x86_64: warning: TSC frequency mismatch between VM (2660001 > kHz) and host (2893428 kHz), and TSC scaling unavailable > qemu-system-x86_64: warning: TSC frequency mismatch between VM (2660001 > kHz) and host (2893428 kHz), and TSC scaling unavailable > > And allows migration. Ignore that comment, patch 4 deals with it. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
