Mantis#2136. Thank you kindly, HomerHorwitz for a patch that:

libomv corrected the endianess of some Helper methods, which 
broke the fake parcelID computation for "About Landmark". 
The attached patch fixes this.

1 files changed, 5 insertions, 7 deletions

diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index d7dcf19..de42bf8 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -730,10 +730,10 @@ namespace OpenSim.Framework
         // used for RemoteParcelRequest (for "About Landmark")
         public static UUID BuildFakeParcelID(ulong regionHandle, uint x, uint y) {
             byte[] bytes = {
-                (byte)(regionHandle >> 56), (byte)(regionHandle >> 48), (byte)(regionHandle >> 40), (byte)(regionHandle >> 32),
-                (byte)(regionHandle >> 24), (byte)(regionHandle >> 16), (byte)(regionHandle >> 8), (byte)regionHandle,
-                (byte)(x >> 24), (byte)(x >> 16), (byte)(x >> 8), (byte)x,
-                (byte)(y >> 24), (byte)(y >> 16), (byte)(y >> 8), (byte)y };
+                (byte)regionHandle, (byte)(regionHandle >> 8), (byte)(regionHandle >> 16), (byte)(regionHandle >> 24),
+                (byte)(regionHandle >> 32), (byte)(regionHandle >> 40), (byte)(regionHandle >> 48), (byte)(regionHandle << 56),
+                (byte)x, (byte)(x >> 8), (byte)(x >> 16), (byte)(x >> 24),
+                (byte)y, (byte)(y >> 8), (byte)(y >> 16), (byte)(y >> 24) };
             return new UUID(bytes, 0);
         }
 
@@ -741,9 +741,7 @@ namespace OpenSim.Framework
             byte[] bytes = parcelID.GetBytes();
             regionHandle = Helpers.BytesToUInt64(bytes);
             x = Helpers.BytesToUInt(bytes, 8);
-            // grrr. I'd like to use that code in the next line, but libsl has an off-by-one bug here and returns 0.
-            //uint y = Helpers.BytesToUInt(bytes, 12);
-            y = (uint)((bytes[12] << 24) | (bytes[13] << 16) | (bytes[14] << 8) | bytes[15]);
+            y = Helpers.BytesToUInt(bytes, 12);
         }
     }
 }