Comment 8 for bug 510612

More information about this. The mentioned commit fixes just the messages apparently, but not the actual problem which is elsewhere. The complete fix consists of 3 patches: the above in comment#7, and also 22d948a2d97434192018bdabaf0a50cda7f994be and 38cc9b607f85017b095793cab6c129bc9844f441 from qemu-kvm git tree (both applies and applicable for 0.12 as well as 0.13).