diff --git a/crosperf/experiment_factory.py b/crosperf/experiment_factory.py
index ac9e6ef..f6d4c53 100644
--- a/crosperf/experiment_factory.py
+++ b/crosperf/experiment_factory.py
@@ -31,7 +31,8 @@
 #                           'memory.top_25',
                            'octane',
                            'robohornet_pro',
-                           'smoothness.top_25',
+# The following benchmark is broken (and hanging) for now, so omit it.
+#                           'smoothness.top_25',
                            'sunspider',
                            ]
 
diff --git a/image_chromeos.py b/image_chromeos.py
index 06328e2..97d1534 100755
--- a/image_chromeos.py
+++ b/image_chromeos.py
@@ -227,7 +227,7 @@
     elif log_level == "average":
       cmd_executer.SetLogLevel("verbose");
     retval = cmd_executer.ChrootRunCommand(options.chromeos_root,
-                                           command, command_timeout=600)
+                                           command, command_timeout=1800)
 
     retries = 0
     while retval != 0 and retries < 2:
@@ -236,7 +236,7 @@
         l.LogOutput("Imaging failed. Retry # %d." % retries)
         l.LogOutput("CMD : %s" % command)
       retval = cmd_executer.ChrootRunCommand(options.chromeos_root,
-                                             command, command_timeout=600)
+                                             command, command_timeout=1800)
 
     if log_level == "average":
       cmd_executer.SetLogLevel(log_level)
diff --git a/test_toolchains.py b/test_toolchains.py
index c50185d..d8b750a 100644
--- a/test_toolchains.py
+++ b/test_toolchains.py
@@ -140,7 +140,7 @@
     experiment_tests = """
     benchmark: all_perfv2 {
       suite: telemetry_Crosperf
-      iterations: 1
+      iterations: 3
     }
     """
     with open(experiment_file, "w") as f: