Created attachment 770747 [details]
the panic trace  photo

Description of problem:
when run a guest OS(win7) in virt-manager a while.
kernel panic.

Version-Release number of selected component (if applicable):
kernel: 3.9.9-301.fc19.x86_64

# rpm -qa | grep virt | sort -u
libgovirt-0.1.0-1.fc19.x86_64
libvirt-1.0.5.2-1.fc19.x86_64
libvirt-client-1.0.5.2-1.fc19.x86_64
libvirt-daemon-1.0.5.2-1.fc19.x86_64
libvirt-daemon-config-network-1.0.5.2-1.fc19.x86_64
libvirt-daemon-config-nwfilter-1.0.5.2-1.fc19.x86_64
libvirt-daemon-driver-interface-1.0.5.2-1.fc19.x86_64
libvirt-daemon-driver-libxl-1.0.5.2-1.fc19.x86_64
libvirt-daemon-driver-lxc-1.0.5.2-1.fc19.x86_64
libvirt-daemon-driver-network-1.0.5.2-1.fc19.x86_64
libvirt-daemon-driver-nodedev-1.0.5.2-1.fc19.x86_64
libvirt-daemon-driver-nwfilter-1.0.5.2-1.fc19.x86_64
libvirt-daemon-driver-qemu-1.0.5.2-1.fc19.x86_64
libvirt-daemon-driver-secret-1.0.5.2-1.fc19.x86_64
libvirt-daemon-driver-storage-1.0.5.2-1.fc19.x86_64
libvirt-daemon-driver-uml-1.0.5.2-1.fc19.x86_64
libvirt-daemon-driver-xen-1.0.5.2-1.fc19.x86_64
libvirt-glib-0.1.6-1.fc19.x86_64
libvirt-python-1.0.5.2-1.fc19.x86_64
redland-virtuoso-1.0.16-2.fc19.x86_64
virt-install-0.10.0-1.fc19.noarch
virt-manager-0.10.0-1.fc19.noarch
virt-manager-common-0.10.0-1.fc19.noarch
virtuoso-opensource-6.1.6-3.fc19.x86_64
virt-viewer-0.5.6-1.fc19.x86_64


How reproducible:
100% in may thinkpad T430s

Steps to Reproduce:
1. start a GuestOS a while
2.
3.

Actual results:
kernel panic

Expected results:
system works ok

Additional info:
panic trace photo attached follow