qemu-kvm crashed by segfault error during live-migration under RHEV 3.x

Issue

• qemu-kvm crashes with a Segmentation Fault error:

# cat /var/log/messages
....
Feb 20 01:08:56 hostname kernel: qemu-kvm[19792]: segfault at 1803030 ip 00007fab2d49519f sp 00007fff95d05d90 error 4 in qemu-kvm[7fab2d37f000+277000]
....

• So far this has been observed during live migration, but there may be other triggering circumstances

# cat /var/log/vdsm/vdsm.log
....
Thread-2231217::INFO::2013-02-20 01:11:39,014::libvirtvm::367::vm.Vm::(run) vmId=`xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx`::Migration Progress: 631 seconds elapsed, 102% of data processed, 102% of mem processed
Thread-784097::ERROR::2013-02-20 01:11:40,578::guestIF::246::vm.Vm::(run) vmId=`xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx`::Run exception: None
Traceback (most recent call last):
  File "/usr/share/vdsm/guestIF.py", line 238, in run
    line = self._readLine()
  File "/usr/share/vdsm/guestIF.py", line 214, in _readLine
    self._readBuffer()
  File "/usr/share/vdsm/guestIF.py", line 200, in _readBuffer
    s = self._sock.recv(self.READSIZE)
error: [Errno 104] Connection reset by peer
....