Add test failures from turning on multiple test_shells...

webkit/tools/layout_tests/run_webkit_tests.py

 #!/bin/env python
 # Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Run layout tests using the test_shell.
 
 This is a port of the existing webkit test script run-webkit-tests.
 
 The TestRunner class runs a series of tests (TestType interface) against a set
@@ skipping 661 matching lines @@
     basedir = path_utils.WebKitRoot()
     basedir = os.path.join(basedir, options.target)
 
     options.results_directory = path_utils.GetAbsolutePath(
         os.path.join(basedir, options.results_directory))
 
   if options.platform is None:
     options.platform = path_utils.PlatformDir()
 
   if not options.num_test_shells:
-    # For now, only run Windows-Release in parallel until we make other
-    # configurations more stable.
-    if sys.platform in ('win32', 'cygwin') and options.target == 'Release':
+    # All configurations are still to flaky to have this on by default.
+    if False:
       cpus = 1
       if sys.platform in ('win32', 'cygwin'):
         cpus = int(os.environ.get('NUMBER_OF_PROCESSORS', 1))
       elif (hasattr(os, "sysconf") and
             os.sysconf_names.has_key("SC_NPROCESSORS_ONLN")):
         # Linux & Unix:
         ncpus = os.sysconf("SC_NPROCESSORS_ONLN")
         if isinstance(ncpus, int) and ncpus > 0:
           cpus = ncpus
       elif sys.platform in ('darwin'): # OSX:
         cpus = int(os.popen2("sysctl -n hw.ncpu")[1].read())
 
       # TODO: Do timing tests on a single-core machine.
       options.num_test_shells = 2 * cpus
 
       # Some HTTP tests start timing out when tests are run in parallel.
       # TODO(ojan): Impelement per-test-timeouts instead. http://crbug.com/9613
       if not options.time_out_ms:
         options.time_out_ms = '20000'
 
     else:
       options.num_test_shells = 1
   
+  logging.info("Running %s test_shells in parallel" % options.num_test_shells)
+  
   # Include all tests if none are specified.
   paths = args
   if not paths:
     paths = []
   if options.test_list:
     paths += ReadTestFiles(options.test_list)
   if not paths:
     paths = ['.']
 
   test_runner = TestRunner(options, paths)
@@ skipping 133 matching lines @@
   option_parser.add_option("", "--run-part",
                            default=None,
                            help=("Run a specified part (n:m), the nth of m"
                                  " parts, of the layout tests"))
   option_parser.add_option("", "--batch-size",
                            default=None,
                            help=("Run a the tests in batches (n), after every "
                                  "n tests, the test shell is relaunched."))
   options, args = option_parser.parse_args()
   main(options, args)