diff --git a/mysql-test/r/innodb.result b/mysql-test/r/innodb.result
index 9f6cde0292f..051a9e1dc0b 100644
--- a/mysql-test/r/innodb.result
+++ b/mysql-test/r/innodb.result
@@ -3152,6 +3152,22 @@ c25 CHAR(255), c26 CHAR(255), c27 CHAR(255), c28 CHAR(255),
 c29 CHAR(255), c30 CHAR(255), c31 CHAR(255), c32 CHAR(255)
 ) ENGINE = InnoDB;
 ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs
+DROP TABLE IF EXISTS t1;
+Warnings:
+Note	1051	Unknown table 't1'
+CREATE TABLE t1(
+id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY
+) ENGINE=InnoDB;
+INSERT INTO t1 VALUES(-10);
+SELECT * FROM t1;
+id
+-10
+INSERT INTO t1 VALUES(NULL);
+SELECT * FROM t1;
+id
+-10
+1
+DROP TABLE t1;
 SET TX_ISOLATION='read-committed';
 SET AUTOCOMMIT=0;
 DROP TABLE IF EXISTS t1, t2;
diff --git a/mysql-test/t/innodb.test b/mysql-test/t/innodb.test
index 77c450035c7..f68bb87655e 100644
--- a/mysql-test/t/innodb.test
+++ b/mysql-test/t/innodb.test
@@ -2290,6 +2290,25 @@ CREATE TABLE t1 (
 	c29 CHAR(255), c30 CHAR(255), c31 CHAR(255), c32 CHAR(255)
 	) ENGINE = InnoDB;
 
+#
+# Bug #31860 InnoDB assumes AUTOINC values can only be positive.
+#
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1(
+	id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY
+	) ENGINE=InnoDB;
+INSERT INTO t1 VALUES(-10);
+SELECT * FROM t1;
+#
+# NOTE: The server really needs to be restarted at this point
+# for the test to be useful.  
+#
+# Without the fix InnoDB would trip over an assertion here.
+INSERT INTO t1 VALUES(NULL);
+# The next value should be 1 and not -9 or a -ve number
+SELECT * FROM t1;
+DROP TABLE t1;
+
 # 
 # Bug #21409 Incorrect result returned when in READ-COMMITTED with
 # query_cache ON
diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc
index 61f16522cff..f38afbba33d 100644
--- a/storage/innobase/handler/ha_innodb.cc
+++ b/storage/innobase/handler/ha_innodb.cc
@@ -1144,7 +1144,6 @@ innobase_query_caching_of_table_permitted(
 	}
 
 	if (trx->has_search_latch) {
-		ut_print_timestamp(stderr);
 		sql_print_error("The calling thread is holding the adaptive "
 				"search, latch though calling "
 				"innobase_query_caching_of_table_permitted.");
@@ -2322,7 +2321,6 @@ ha_innobase::open(
 	ib_table = dict_table_get(norm_name, TRUE);
 
 	if (NULL == ib_table) {
-		ut_print_timestamp(stderr);
 		sql_print_error("Cannot find or open table %s from\n"
 				"the internal data dictionary of InnoDB "
 				"though the .frm file for the\n"
@@ -2346,7 +2344,6 @@ ha_innobase::open(
 	}
 
 	if (ib_table->ibd_file_missing && !thd_tablespace_op(thd)) {
-		ut_print_timestamp(stderr);
 		sql_print_error("MySQL is trying to open a table handle but "
 				"the .ibd file for\ntable %s does not exist.\n"
 				"Have you deleted the .ibd file from the "
@@ -3420,7 +3417,7 @@ no_commit:
 			/*
 			ut_print_timestamp(stderr);
 			fprintf(stderr,
-				"  InnoDB error: ALTER TABLE is holding lock"
+				"  InnoDB: ALTER TABLE is holding lock"
 				" on %lu tables!\n",
 				prebuilt->trx->mysql_n_tables_locked);
 			*/
@@ -5723,7 +5720,6 @@ ha_innobase::info(
 
 		for (i = 0; i < table->s->keys; i++) {
 			if (index == NULL) {
-				ut_print_timestamp(stderr);
 				sql_print_error("Table %s contains fewer "
 						"indexes inside InnoDB than "
 						"are defined in the MySQL "
@@ -5739,7 +5735,6 @@ ha_innobase::info(
 			for (j = 0; j < table->key_info[i].key_parts; j++) {
 
 				if (j + 1 > index->n_uniq) {
-					ut_print_timestamp(stderr);
 					sql_print_error(
 "Index %s of %s has %lu columns unique inside InnoDB, but MySQL is asking "
 "statistics for %lu columns. Have you mixed up .frm files from different "
@@ -5804,7 +5799,6 @@ ha_innobase::info(
 			ret = innobase_read_and_init_auto_inc(&auto_inc);
 
 			if (ret != 0) {
-				ut_print_timestamp(stderr);
 				sql_print_error("Cannot get table %s auto-inc"
 						"counter value in ::info\n",
 						ib_table->name);
@@ -6578,14 +6572,17 @@ ha_innobase::transactional_table_lock(
 
 	if (prebuilt->table->ibd_file_missing && !thd_tablespace_op(thd)) {
 		ut_print_timestamp(stderr);
-		fprintf(stderr, "  InnoDB error:\n"
-"MySQL is trying to use a table handle but the .ibd file for\n"
-"table %s does not exist.\n"
-"Have you deleted the .ibd file from the database directory under\n"
-"the MySQL datadir?"
-"See http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html\n"
-"how you can resolve the problem.\n",
-				prebuilt->table->name);
+		fprintf(stderr,
+			"  InnoDB: MySQL is trying to use a table handle"
+			" but the .ibd file for\n"
+			"InnoDB: table %s does not exist.\n"
+			"InnoDB: Have you deleted the .ibd file"
+			" from the database directory under\n"
+			"InnoDB: the MySQL datadir?"
+			"InnoDB: See"
+			" http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html\n"
+			"InnoDB: how you can resolve the problem.\n",
+			prebuilt->table->name);
 		DBUG_RETURN(HA_ERR_CRASHED);
 	}
 
@@ -7194,7 +7191,8 @@ ha_innobase::innobase_read_and_init_auto_inc(
 			++auto_inc;
 			dict_table_autoinc_initialize(innodb_table, auto_inc);
 		} else {
-			fprintf(stderr, " InnoDB error (%lu): Couldn't read "
+			ut_print_timestamp(stderr);
+			fprintf(stderr, "  InnoDB: Error: (%lu) Couldn't read "
 				"the max AUTOINC value from the index (%s).\n",
 				error, index->name);
 
@@ -7281,8 +7279,7 @@ ha_innobase::innobase_get_auto_increment(
 		and can be ignored. */
 		} else if (error != DB_DEADLOCK) {
 
-			ut_print_timestamp(stderr);
-			sql_print_error(" InnoDB Error %lu in "
+			sql_print_error("InnoDB: Error: %lu in "
 					"::innobase_get_auto_increment()",
 					error);
 		}
diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i
index d845c1006ee..8163ae16e4e 100644
--- a/storage/innobase/include/univ.i
+++ b/storage/innobase/include/univ.i
@@ -309,22 +309,22 @@ typedef void* os_thread_ret_t;
 # define UNIV_MEM_FREE(addr, size) VALGRIND_MAKE_MEM_NOACCESS(addr, size)
 # define UNIV_MEM_ALLOC(addr, size) VALGRIND_MAKE_MEM_UNDEFINED(addr, size)
 # define UNIV_MEM_ASSERT_RW(addr, size) do {				\
-	const void* _p = (const void*)					\
+	const void* _p = (const void*) (ulint)				\
 		VALGRIND_CHECK_MEM_IS_DEFINED(addr, size);		\
 	if (UNIV_LIKELY_NULL(_p))					\
-		fprintf(stderr, "%s:%d: %p[%u] undefined at %d\n",	\
+		fprintf(stderr, "%s:%d: %p[%u] undefined at %ld\n",	\
 			__FILE__, __LINE__,				\
-			(const void*) (addr), (unsigned) (size),	\
-			((const char*) _p) - ((const char*) (addr)));	\
+			(const void*) (addr), (unsigned) (size), (long)	\
+			(((const char*) _p) - ((const char*) (addr))));	\
 	} while (0)
 # define UNIV_MEM_ASSERT_W(addr, size) do {				\
-	const void* _p = (const void*)					\
+	const void* _p = (const void*) (ulint)				\
 		VALGRIND_CHECK_MEM_IS_ADDRESSABLE(addr, size);		\
 	if (UNIV_LIKELY_NULL(_p))					\
-		fprintf(stderr, "%s:%d: %p[%u] unwritable at %d\n",	\
+		fprintf(stderr, "%s:%d: %p[%u] unwritable at %ld\n",	\
 			__FILE__, __LINE__,				\
-			(const void*) (addr), (unsigned) (size),	\
-			((const char*) _p) - ((const char*) (addr)));	\
+			(const void*) (addr), (unsigned) (size), (long)	\
+			(((const char*) _p) - ((const char*) (addr))));	\
 	} while (0)
 #else
 # define UNIV_MEM_VALID(addr, size) do {} while(0)
diff --git a/storage/innobase/row/row0sel.c b/storage/innobase/row/row0sel.c
index 51f76036aae..29bded114e0 100644
--- a/storage/innobase/row/row0sel.c
+++ b/storage/innobase/row/row0sel.c
@@ -4526,7 +4526,8 @@ row_search_check_if_query_cache_permitted(
 }
 
 /***********************************************************************
-Read the AUTOINC column from the current row. */
+Read the AUTOINC column from the current row. If the value is less than
+0 and the type is not unsigned then we reset the value to 0. */
 static
 ib_longlong
 row_search_autoinc_read_column(
@@ -4594,7 +4595,9 @@ row_search_autoinc_read_column(
 		mem_heap_free(heap);
 	}
 
-	ut_a(value >= 0);
+	if (!unsigned_type && value < 0) {
+		value = 0;
+	}
 
 	return(value);
 }
diff --git a/storage/innobase/sync/sync0sync.c b/storage/innobase/sync/sync0sync.c
index bf3f4d1ff20..39872f72204 100644
--- a/storage/innobase/sync/sync0sync.c
+++ b/storage/innobase/sync/sync0sync.c
@@ -830,7 +830,7 @@ sync_thread_levels_g(
 				mutex = slot->latch;
 
 				fprintf(stderr,
-					"InnoDB error: sync levels should be"
+					"InnoDB: sync levels should be"
 					" > %lu but a level is %lu\n",
 					(ulong) limit, (ulong) slot->level);