diff -r c1f20ce4abcf -r 3e88ff8f41d5 userlibandfileserver/fileserver/sfile/sf_plugin_shim.cpp
--- a/userlibandfileserver/fileserver/sfile/sf_plugin_shim.cpp	Tue Aug 31 16:34:26 2010 +0300
+++ b/userlibandfileserver/fileserver/sfile/sf_plugin_shim.cpp	Wed Sep 01 12:34:56 2010 +0100
@@ -703,6 +703,11 @@
 	TPckgBuf<TInt> reply;
 	args.Set(3,&reply);
 
+	// copy session pointer
+	RLocalMessage message = iMessage;
+	message.SetFunction(aFunction);
+	message.SetArgs(args);
+
 	TInt err = Dispatch(aFunction, args);
 	if (err == KErrNone)
 		*aReply = reply();