diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index 8259b759e71..642943c8210 100644
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -13,7 +13,7 @@
  *
  *	Copyright (c) 2001-2008, PostgreSQL Global Development Group
  *
- *	$PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.170 2008/03/21 21:08:31 tgl Exp $
+ *	$PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.171 2008/03/24 18:22:36 tgl Exp $
  * ----------
  */
 #include "postgres.h"
@@ -2056,7 +2056,7 @@ pgstat_read_current_status(void)
  * ----------
  */
 const char *
-pgstat_get_backend_current_activity(int pid)
+pgstat_get_backend_current_activity(int pid, bool checkUser)
 {
 	PgBackendStatus *beentry;
 	int			i;
@@ -2094,7 +2094,7 @@ pgstat_get_backend_current_activity(int pid)
 		if (found)
 		{
 			/* Now it is safe to use the non-volatile pointer */
-			if (!superuser() && beentry->st_userid != GetUserId())
+			if (checkUser && !superuser() && beentry->st_userid != GetUserId())
 				return "<insufficient privilege>";
 			else if (*(beentry->st_activity) == '\0')
 				return "<command string not enabled>";
diff --git a/src/backend/storage/lmgr/deadlock.c b/src/backend/storage/lmgr/deadlock.c
index e1a66456f54..97be7d9dc72 100644
--- a/src/backend/storage/lmgr/deadlock.c
+++ b/src/backend/storage/lmgr/deadlock.c
@@ -12,7 +12,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/storage/lmgr/deadlock.c,v 1.52 2008/03/21 21:08:31 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/storage/lmgr/deadlock.c,v 1.53 2008/03/24 18:22:36 tgl Exp $
  *
  *	Interface:
  *
@@ -879,15 +879,16 @@ PrintLockQueue(LOCK *lock, const char *info)
 void
 DeadLockReport(void)
 {
-	StringInfoData detailbuf;
-	StringInfoData contextbuf;
+	StringInfoData clientbuf;	/* errdetail for client */
+	StringInfoData logbuf;		/* errdetail for server log */
 	StringInfoData locktagbuf;
 	int			i;
 
-	initStringInfo(&detailbuf);
-	initStringInfo(&contextbuf);
+	initStringInfo(&clientbuf);
+	initStringInfo(&logbuf);
 	initStringInfo(&locktagbuf);
 
+	/* Generate the "waits for" lines sent to the client */
 	for (i = 0; i < nDeadlockDetails; i++)
 	{
 		DEADLOCK_INFO *info = &deadlockDetails[i];
@@ -905,30 +906,39 @@ DeadLockReport(void)
 		DescribeLockTag(&locktagbuf, &info->locktag);
 
 		if (i > 0)
-			appendStringInfoChar(&detailbuf, '\n');
+			appendStringInfoChar(&clientbuf, '\n');
 
-		appendStringInfo(&detailbuf,
+		appendStringInfo(&clientbuf,
 				  _("Process %d waits for %s on %s; blocked by process %d."),
 						 info->pid,
 						 GetLockmodeName(info->locktag.locktag_lockmethodid,
 										 info->lockmode),
 						 locktagbuf.data,
 						 nextpid);
+	}
 
-		if (i > 0)
-			appendStringInfoChar(&contextbuf, '\n');
+	/* Duplicate all the above for the server ... */
+	appendStringInfoString(&logbuf, clientbuf.data);
 
-		appendStringInfo(&contextbuf,
+	/* ... and add info about query strings */
+	for (i = 0; i < nDeadlockDetails; i++)
+	{
+		DEADLOCK_INFO *info = &deadlockDetails[i];
+
+		appendStringInfoChar(&logbuf, '\n');
+
+		appendStringInfo(&logbuf,
 						 _("Process %d: %s"),
 						 info->pid,
-						 pgstat_get_backend_current_activity(info->pid));
+						 pgstat_get_backend_current_activity(info->pid, false));
 	}
 
 	ereport(ERROR,
 			(errcode(ERRCODE_T_R_DEADLOCK_DETECTED),
 			 errmsg("deadlock detected"),
-			 errdetail("%s", detailbuf.data),
-			 errcontext("%s", contextbuf.data)));
+			 errdetail("%s", clientbuf.data),
+			 errdetail_log("%s", logbuf.data),
+			 errhint("See server log for query details.")));
 }
 
 /*
diff --git a/src/include/pgstat.h b/src/include/pgstat.h
index 49fd149d55c..fdc846acad4 100644
--- a/src/include/pgstat.h
+++ b/src/include/pgstat.h
@@ -5,7 +5,7 @@
  *
  *	Copyright (c) 2001-2008, PostgreSQL Global Development Group
  *
- *	$PostgreSQL: pgsql/src/include/pgstat.h,v 1.72 2008/03/21 21:08:31 tgl Exp $
+ *	$PostgreSQL: pgsql/src/include/pgstat.h,v 1.73 2008/03/24 18:22:36 tgl Exp $
  * ----------
  */
 #ifndef PGSTAT_H
@@ -507,7 +507,7 @@ extern void pgstat_bestart(void);
 extern void pgstat_report_activity(const char *what);
 extern void pgstat_report_xact_timestamp(TimestampTz tstamp);
 extern void pgstat_report_waiting(bool waiting);
-extern const char *pgstat_get_backend_current_activity(int pid);
+extern const char *pgstat_get_backend_current_activity(int pid, bool checkUser);
 
 extern void pgstat_initstats(Relation rel);