Description of problem:
If the qemu-kvm process would die while running "virsh dump", libvirtd(?)
 will hang and no further actions can be perfomed.

Version-Release number of selected component (if applicable):
libvirt-0.6.3-33.el5_5.3

How reproducible:
Every time

Steps to Reproduce:
1. virsh dump eldin /tmp/dump
2. while the above is running, run "kill $(pidof qemu-kvm)"
3.  Now try e.g. "virsh list"
  
Actual results:
virsh list hangs

Expected results:
virsh list works