diff --git a/checkcore.pl b/checkcore.pl
index 3904b59b..5455ea52 100755
--- a/checkcore.pl
+++ b/checkcore.pl
@@ -11,7 +11,7 @@ my $baseurl = "https://build.opensuse.org";
 
 my %ringed;
 my %toignore;
-for my $i (qw(kernel-syms kernel-xen glibc.i686 openSUSE-release kernel-desktop kernel-default kernel-pae)) {
+for my $i (qw(kernel-syms kernel-xen glibc.i686 openSUSE-release kernel-desktop kernel-default kernel-pae Test-DVD-x86_64 kiwi-image-livecd-gnome.x86_64 kiwi-image-livecd-kde.x86_64 package-lists-kde.x86_64 package-lists-gnome.x86_64)) {
   $toignore{$i} = 1;
 }
 
@@ -24,13 +24,12 @@ sub fetch_api($) {
 }
 
 sub fetch_prj($) {
-
   my $prj = shift;
   
   my $packages = XMLin(fetch_api("/status/project/$prj"))->{package};
   my %ret;
   for my $p (keys %${packages}) {
-    next if defined $toignore{$p};
+    next if defined $toignore{$p} || $p =~ /AGGR/;
     $ret{$p} = $packages->{$p}->{verifymd5} || $packages->{$p}->{srcmd5};
   }
   return \%ret;
@@ -44,11 +43,12 @@ sub check_ring($) {
 my $ring = fetch_prj($ringprj);
 
 PACKAGE: for my $p (keys %${ring}) {
+	#print "checking $ringprj $p $ring->{$p} $fact->{$p}\n";
   if ($ringed{$p}) {
     print "osc rdelete $ringprj $p -m 'in two rings'\n";
     next;
   }
-  $ringed{$p} = 1;
+  $ringed{$p} = $ring->{$p};
   if ($ring->{$p} ne $fact->{$p}) {
     
     eval {
@@ -56,7 +56,14 @@ PACKAGE: for my $p (keys %${ring}) {
     my $rxml = XMLin(fetch_api("/source/$ringprj/$p?view=info"));
 
     next if ($fxml->{verifymd5} eq $rxml->{verifymd5});
+    };
+    if ($@) {
+      print "# $@";
+      print "osc rdelete -m 'gone away' $ringprj $p\n";
+      next;
+    }
 
+    eval {
     my @ftext = split(/\n/, fetch_api("/source/openSUSE:Factory/$p/$p.changes?expand=1"));
     my @rtext = split(/\n/, fetch_api("/source/$ringprj/$p/$p.changes?expand=1"));
   
@@ -75,9 +82,10 @@ PACKAGE: for my $p (keys %${ring}) {
         next PACKAGE;
       }
     }
+    };
+    warn $@ if $@;
     #system("osc rdiff openSUSE:Factory $p openSUSE:Factory:Core $p");
     print "osc linkpac -f -c openSUSE:Factory $p $ringprj\n";
-    };
   }
 }
 }
@@ -87,3 +95,21 @@ check_ring("openSUSE:Factory:Core");
 check_ring("openSUSE:Factory:MainDesktops");
 check_ring("openSUSE:Factory:DVD");
 
+sub check_package($$$) {
+  my $package = shift; 
+  my $spkg = shift;
+  my $tpkg = shift;
+
+  my $p1 = XMLin(fetch_api("/source/$spkg/$package?expand=1"));
+  my $p2 = XMLin(fetch_api("/source/$tpkg/$package?expand=1"));
+
+  return if ($p1->{verifymd5} eq $p2->{verifymd5});
+  print "osc linkpac -f -r $p1->{srcmd5} $spkg $package $tpkg\n";
+}
+
+check_package('Test-DVD-x86_64', 'openSUSE:Factory', 'openSUSE:Factory:Core');
+check_package('kiwi-image-livecd-gnome.x86_64', 'openSUSE:Factory:Live', 'openSUSE:Factory:MainDesktops');
+check_package('kiwi-image-livecd-kde.x86_64', 'openSUSE:Factory:Live', 'openSUSE:Factory:MainDesktops');
+check_package('package-lists-gnome.x86_64', 'openSUSE:Factory:Live', 'openSUSE:Factory:MainDesktops');
+check_package('package-lists-kde.x86_64', 'openSUSE:Factory:Live', 'openSUSE:Factory:MainDesktops');
+