Created attachment 531939 [details]
virt-manager --debug output

Description of problem:

I noticed after upgrading a from f15 to f16 that virt-manager crash when deleting virtual machines, see virt-manager --debug output for details

Version-Release number of selected component (if applicable):

libvirt-0.9.6-2.fc16.x86_64
libvirt-client-0.9.6-2.fc16.x86_64
libvirt-python-0.9.6-2.fc16.x86_64
python-virtinst-0.600.0-5.fc16.noarch
python-virtkey-0.50-9.fc15.x86_64
redland-virtuoso-1.0.14-1.fc16.x86_64
virt-manager-0.9.0-6.fc16.noarch
virt-manager-common-0.9.0-6.fc16.noarch
virt-top-1.0.6-1.fc16.x86_64
virt-viewer-0.4.1-3.fc16.x86_64


How reproducible:
100%

Steps to Reproduce:
1. Start virt-manager
2. Create a new VM
3. Follow the default steps in the wizard
4. Click finsh and start the VM
5. Shutdown the VM
6. Delete the VM with the attached disk (.img file)
  
Actual results:
Virt Manager segfault

Expected results:
Virt Manager does not segfault

Additional info (OUTPUT):

virt-manager --debug 2> virt-manager--debug.output.txt
Segmentation fault