On 08/31/10 11:04, Jes Sorensen wrote: >> Just grep for the msr name in a guest kernel source that's known to >> trigger the message. > > Been there, done that! This happens with an F13 kernel during reboot. > Ran the search on the expanded 2.6.32.8-149 tree and found no reference > to anything trying to write it, except for KVM backing up the flag, but > that shouldn't happen in the guest. I've been seeing the messages with a 32-bit Fedora 10 guest running a 2.6.27 variant. The wrmsr messages are generated by the time the grub menu appears. ie., pre-OS. David -- 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