diff --git a/xCAT-server/share/xcat/netboot/ubuntu/genimage b/xCAT-server/share/xcat/netboot/ubuntu/genimage
index b4c350292..2298b324b 100755
--- a/xCAT-server/share/xcat/netboot/ubuntu/genimage
+++ b/xCAT-server/share/xcat/netboot/ubuntu/genimage
@@ -373,8 +373,9 @@ unless ($onlyinitrd) {
       foreach $pass (sort {$a <=> $b} (keys(%extra_hash))) {
         foreach (keys(%{$extra_hash{$pass}})) {
             if($_ eq "INCLUDEBAD")  {
-             print "Unable to open the following pkglist files:\n".join("\n",@{$extra_hash{$pass}{INCLUDEBAD}});
-               exit 1;
+             #print "Unable to open the following pkglist files:\n".join("\n",@{$extra_hash{$pass}{INCLUDEBAD}});
+             xdie "Unable to open the following pkglist files:\n".join("\n",@{$extra_hash{$pass}{INCLUDEBAD}});
+             #  exit 1;
             }
 
             if (($_ eq "PRE_REMOVE") || ($_ eq "POST_REMOVE") || ($_ eq "ENVLIST")) { next;} 
@@ -423,8 +424,9 @@ unless ($onlyinitrd) {
 	      print "$envlist $aptgetcmd\n"; 
 	      my $rc = system("$envlist $aptgetcmd");
 	      if ($rc) { 
-		  print "apt-get invocation failed\n";
-		  exit 1;
+		  #print "apt-get invocation failed\n";
+		  #exit 1;
+		  xdie "apt-get invocation failed\n";
 	      }
           } else {
 	      print "No Packages marked for install\n";
@@ -1749,7 +1751,11 @@ sub mount_chroot {
    #system("mount -o bind /sys $rootimage_dir/sys");
    system("mount -o bind $pkgdir $rootimage_dir/mnt/pkgdir");
    if ($otherpkgdir){
-      system("mount -o bind $otherpkgdir $rootimage_dir/mnt/otherpkgdir");
+      if(-d $otherpkgdir){
+         system("mount -o bind $otherpkgdir $rootimage_dir/mnt/otherpkgdir");
+      }else{
+         print "The specified otherpkgdir $otherpkgdir does not exist!\n"
+      }
    }
 }