Mine

Unhandled Exception: System.Net.WebException: The request timed out
  at System.Net.HttpWebRequest.GetRequestStream () [0x00000]
  at System.Net.WebClient.UploadDataCore (System.Uri address, System.String method, System.Byte[] data) [0x00000]
  at System.Net.WebClient.UploadData (System.Uri address, System.String method, System.Byte[] data) [0x00000]
  at System.Net.WebClient.UploadData (System.Uri address, System.Byte[] data) [0x00000]
  at System.Net.WebClient.UploadData (System.String address, System.Byte[] data) [0x00000]
  at (wrapper remoting-invoke-with-check) System.Net.WebClient:UploadData (string,byte[])
  at OpenSim.GridInterfaces.Remote.RemoteAssetServer.UploadNewAsset (OpenSim.Framework.Types.AssetBase asset) [0x00000]
  at OpenSim.Assets.AssetCache.AddAsset (OpenSim.Framework.Types.AssetBase asset) [0x00000]
  at OpenSim.AgentAssetUpload.HandleXferPacket (libsecondlife.Packets.SendXferPacketPacket xferPacket) [0x00000]
  at OpenSim.ClientView.ProcessInPacket (libsecondlife.Packets.Packet Pack) [0x00000]
  at OpenSim.ClientView.ClientLoop () [0x00000]
  at OpenSim.ClientView.AuthUser () [0x00000]
  at (wrapper delegate-invoke) System.MulticastDelegate:invoke_void ()