diff --git a/mysql-test/lib/mtr_cases.pl b/mysql-test/lib/mtr_cases.pl
index 9e943fec9ef..a00d06d2e60 100644
--- a/mysql-test/lib/mtr_cases.pl
+++ b/mysql-test/lib/mtr_cases.pl
@@ -288,6 +288,7 @@ sub collect_one_test_case($$$$$$$) {
   $tinfo->{'timezone'}= "GMT-3"; # for UNIX_TIMESTAMP tests to work
 
   $tinfo->{'slave_num'}= 0; # Default, no slave
+  $tinfo->{'master_num'}= 1; # Default, 1 master
   if ( defined mtr_match_prefix($tname,"rpl") )
   {
     if ( $::opt_skip_rpl )
@@ -297,13 +298,8 @@ sub collect_one_test_case($$$$$$$) {
       return;
     }
 
-
     $tinfo->{'slave_num'}= 1; # Default for rpl* tests, use one slave
 
-    if ( $tname eq 'rpl_failsafe' or $tname eq 'rpl_chain_temp_table' )
-    {
-      # $tinfo->{'slave_num'}= 3;         # Not 3 ? Check old code, strange
-    }
   }
 
   if ( defined mtr_match_prefix($tname,"federated") )
@@ -582,6 +578,7 @@ our @tags=
  ["include/have_debug.inc", "need_debug", 1],
  ["include/have_ndb.inc", "ndb_test", 1],
  ["include/have_ndb_extra.inc", "ndb_extra", 1],
+ ["include/have_multi_ndb.inc", "master_num", 2],
  ["require_manager", "require_manager", 1],
 );
 
diff --git a/mysql-test/lib/mtr_process.pl b/mysql-test/lib/mtr_process.pl
index 330dfddf1d3..cf0e4c214ed 100644
--- a/mysql-test/lib/mtr_process.pl
+++ b/mysql-test/lib/mtr_process.pl
@@ -220,7 +220,8 @@ sub spawn_parent_impl {
       my $ret_pid= waitpid($pid,0);
       if ( $ret_pid != $pid )
       {
-        mtr_error("$path ($pid) got lost somehow");
+        mtr_error("waitpid($pid, 0) returned $ret_pid " .
+		  "when waiting for '$path'");
       }
 
       return mtr_process_exit_status($?);
diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index ffc27ecabdb..48eb9eda51e 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -230,10 +230,12 @@ our $opt_ndbconnectstring_slave;
 our $opt_record;
 my $opt_report_features;
 our $opt_check_testcases;
+our $opt_mark_progress;
 
 our $opt_skip;
 our $opt_skip_rpl;
 our $max_slave_num= 0;
+our $max_master_num= 0;
 our $use_innodb;
 our $opt_skip_test;
 our $opt_skip_im;
@@ -412,6 +414,15 @@ sub main () {
 	$max_slave_num= $test->{slave_num};
 	mtr_error("Too many slaves") if $max_slave_num > 3;
       }
+
+      # Count max number of masters used by a test case
+      if ( $test->{master_num} > $max_master_num)
+      {
+	$max_master_num= $test->{master_num};
+	mtr_error("Too many masters") if $max_master_num > 2;
+	mtr_error("Too few masters") if $max_master_num < 1;
+      }
+
       $use_innodb||= $test->{'innodb_test'};
     }
 
@@ -535,6 +546,7 @@ sub command_line_setup () {
              # Test case authoring
              'record'                   => \$opt_record,
              'check-testcases'          => \$opt_check_testcases,
+             'mark-progress'            => \$opt_mark_progress,
 
              # Extra options used when starting mysqld
              'mysqld=s'                 => \@opt_extra_mysqld_opt,
@@ -1205,6 +1217,19 @@ sub command_line_setup () {
   $path_ndb_testrun_log= "$opt_vardir/log/ndb_testrun.log";
 
   $path_snapshot= "$opt_tmpdir/snapshot_$opt_master_myport/";
+
+  if ( $opt_valgrind and $opt_debug )
+  {
+    # When both --valgrind and --debug is selected, send
+    # all output to the trace file, making it possible to
+    # see the exact location where valgrind complains
+    foreach my $mysqld (@{$master}, @{$slave})
+    {
+      my $sidx= $mysqld->{idx} ? "$mysqld->{idx}" : "";
+      $mysqld->{path_myerr}=
+	"$opt_vardir/log/" . $mysqld->{type} . "$sidx.trace";
+    }
+  }
 }
 
 #
@@ -1253,9 +1278,10 @@ sub set_mtr_build_thread_ports($) {
 sub datadir_list_setup () {
 
   # Make a list of all data_dirs
-  @data_dir_lst = (
-    $master->[0]->{'path_myddir'},
-    $master->[1]->{'path_myddir'});
+  for (my $idx= 0; $idx < $max_master_num; $idx++)
+  {
+    push(@data_dir_lst, $master->[$idx]->{'path_myddir'});
+  }
 
   for (my $idx= 0; $idx < $max_slave_num; $idx++)
   {
@@ -2724,8 +2750,10 @@ sub mysql_install_db () {
 
   install_db('master', $master->[0]->{'path_myddir'});
 
-  # FIXME check if testcase really is using second master
-  copy_install_db('master', $master->[1]->{'path_myddir'});
+  if ($max_master_num)
+  {
+    copy_install_db('master', $master->[1]->{'path_myddir'});
+  }
 
   # Install the number of slave databses needed
   for (my $idx= 0; $idx < $max_slave_num; $idx++)
@@ -4259,7 +4287,8 @@ sub run_testcase_start_servers($) {
 
     }
 
-    if ( $clusters->[0]->{'pid'} and ! $master->[1]->{'pid'} )
+    if ( $clusters->[0]->{'pid'} and ! $master->[1]->{'pid'} and
+	 $tinfo->{'master_num'} > 1 )
     {
       # Test needs cluster, start an extra mysqld connected to cluster
 
@@ -4470,6 +4499,10 @@ sub run_mysqltest ($) {
   mtr_add_arg($args, "--tmpdir=%s", $opt_tmpdir);
   mtr_add_arg($args, "--character-sets-dir=%s", $path_charsetsdir);
 
+  # Log line number and time  for each line in .test file
+  mtr_add_arg($args, "--mark-progress")
+    if $opt_mark_progress;
+
   if ($tinfo->{'component_id'} eq 'im')
   {
     mtr_add_arg($args, "--socket=%s", $instance_manager->{'path_sock'});
@@ -4925,6 +4958,7 @@ Options for test case authoring
 
   record TESTNAME       (Re)genereate the result file for TESTNAME
   check-testcases       Check testcases for sideeffects
+  mark-progress         Log line number and elapsed time to <testname>.progress
 
 Options that pass on options