[libvirt-users] libvir: error : cannot getpwuid_r(107): Success

I am on RHEL 6.1 running KVM. I am getting following error when i start a Ubuntu 11.10 Guest I am attaching my xml file . # virsh -c qemu:///system create Ubuntu-110.10.xml error: Failed to create domain from Ubuntu-110.10.xml error: internal error Process exited while reading console log output: 16:19:53.991: 2418: info : libvirt version: 0.8.7, package: 18.el6 (Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>;, 2011-04-18-10:28:30, x86-008.build.bos.redhat.com) 16:19:53.991: 2418: error : virSetUIDGID:2905 : cannot getpwuid_r(107): Success libvir: error : cannot getpwuid_r(107): Success Where should i looks for more info??? -- Thanks Vipul Borikar "Our task must be to free ourselves...by widening our circle of compassion to embrace all living creatures and the whole of nature and its beauty."