Comment # 1 on bug 908008 from Martin Pluskal

Hmm, according to dmesg it seems that there is something going wrong with
libvirt:
# dmesg
...
[ 8755.168038] libvirtd[29555]: segfault at 0 ip 00007f6b383b33d5 sp
00007f6b3dc5d7a0 error 4 in libvirt_driver_qemu.so
(deleted)[7f6b38331000+113000]
[ 8841.069925] libvirtd[7378]: segfault at 0 ip 00007fabe529a3d5 sp
00007fabebb467a0 error 4 in libvirt_driver_qemu.so[7fabe5218000+113000]