Okay, fixed package is built,

Daniel

Verify this bug with :
libvirt-0.9.4-23.el6_2.1.x86_64
qemu-kvm-0.12.1.2-2.209.el6.x86_64

Steps: 
1)Create a lv(vg_intelw352081-tmp) or a new partition(sda7)  .mkfs it and mount
it 

2)#mount /dev/mapper/vg_intelw352081-tmp /mnt/tmp

3)#/bin/cp -ar /tmp/* /tmp/.* /mnt/ 

4)#umount /mnt/tmp 

5)#mount /dev/mapper/vg_intelw352081-tmp  /tmp -o noexec,nosuid 

6)#service libvirtd restart 


7)Need add a nwfilter in test's xml ,like this : 

 <interface type='bridge'>
      <mac address='52:54:00:61:cd:ed'/>
      <source bridge='breth0'/>
      <filterref filter='clean-traffic'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>
    </interface>


8)#virsh start test   
Domain test started

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2011-1778.html