Index: branches/release-41/lib/MT/BackupRestore.pm
===================================================================
--- branches/release-41/lib/MT/BackupRestore.pm (revision 2693)
+++ branches/release-41/lib/MT/BackupRestore.pm (revision 2730)
@@ -67,4 +67,10 @@
         'ping_cat'      => {
             'order' => 520
+        },
+        # Comment should be backed up after TBPing
+        # because saving a comment ultimately triggers
+        # MT::TBPing::save.
+        'comment'        => {
+            'order' => 530
         },
         # Session, config and TheSchwartz packages are never backed up.