get the error message from cim client tool xCAT_cim_client

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@5969 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

perl-xCAT/xCAT/PPCenergy.pm

@@ -246,6 +246,7 @@ sub renergy {
     $SIG{CHLD} = (); 
 
     # Call the xCAT_cim_client to query or set the energy capabilities
+    $cmd .= " 2>&1";
     my @result = xCAT::Utils->runcmd("$cmd", -1);
     
     foreach my $line (@result) {