On 08/01/2015 19:12, Gerhard Wiesinger wrote: > Since kernels were the same on FC20/F21 and qemu/kvm changed from > 1.6.2 to 2.1.2 I guess the topic seems to be there. Also newer gcc > might be a topic.
Indeed. Can you try the 2.2.0 qemu-kvm release, available in the fedora-virt-preview repository? http://fedoraproject.org/wiki/Virtualization_Preview_Repository Thanks, Paolo