UserAgent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36
Platform: 9435.0.0 (Official Build) dev-channel reef test 

Steps to reproduce the problem:
1. download and sync the latest source code of chromium
2. execute "gclient sync"
3. enter the folder src/tools/perf/
4. execute below command for testing smoothness.top25

./run_benchmark --remote=<<ChromeOS Device IP>> --browser=cros-chrome smoothness.top_25_smooth 

What is the expected behavior?
the benchmark "smoothness.top25" should be executed. and the PnP result is recorded in results.html

What went wrong?
A timeout error is happen as below. More detail error log is enclosed

INFO:root:dbus-send --system --type=method_call --dest=org.chromium.SessionManager /org/chromium/SessionManager org.chromium.SessionManagerInterface.EnableChromeTesting boolean:true array:string:"--enable-gpu-benchmarking,--touch-events=enabled,--enable-net-benchmarking,--metrics-recording-only,--no-default-browser-check,--no-first-run,--enable-gpu-benchmarking,--disable-background-networking,--proxy-server=socks://localhost:55659,--ignore-certificate-errors,--user-agent=Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML\, like Gecko) Chrome/40.0.2194.2 Safari/537.36,--disable-component-extensions-with-background-pages,--disable-default-apps,--disable-search-geolocation-disclosure,--enable-smooth-scrolling,--enable-threaded-compositing,--remote-debugging-port=58693,--start-maximized,--ash-disable-system-sounds,--allow-failed-policy-fetch-for-test,--oobe-skip-postlogin,--vmodule=*/chromeos/net/*=2\,*/chromeos/login/*=2\,chrome_browser_main_posix=2,--disable-gaia-services"
ERROR:root:Failure while starting browser backend.
Traceback (most recent call last):
  File "/home/stang23/workspace/chrome_os/chromiumos_3/chrome_root/src/third_party/catapult/telemetry/telemetry/internal/browser/browser.py", line 58, in __init__
    self._browser_backend.Start()
  File "/home/stang23/workspace/chrome_os/chromiumos_3/chrome_root/src/third_party/catapult/common/py_trace_event/py_trace_event/trace_event_impl/decorators.py", line 52, in traced_function
    return func(*args, **kwargs)
  File "/home/stang23/workspace/chrome_os/chromiumos_3/chrome_root/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome/cros_browser_backend.py", line 140, in Start
    self._WaitForBrowserToComeUp()
  File "/home/stang23/workspace/chrome_os/chromiumos_3/chrome_root/src/third_party/catapult/common/py_trace_event/py_trace_event/trace_event_impl/decorators.py", line 52, in traced_function
    return func(*args, **kwargs)
  File "/home/stang23/workspace/chrome_os/chromiumos_3/chrome_root/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome/chrome_browser_backend.py", line 159, in _WaitForBrowserToComeUp
    raise exceptions.BrowserConnectionGoneException(self.browser, e)
BrowserConnectionGoneException: Timed out while waiting 240s for HasBrowserFinishedLaunching.
Found Minidump: False
Stack Trace:
********************************************************************************
	Cannot get stack trace on CrOS
********************************************************************************
Standard output:
********************************************************************************
	Cannot get standard output on CrOS
********************************************************************************
System log:
(Not implemented)
WARNING:root:Cannot dump browser state: No browser.

Did this work before? N/A 

Chrome version: 57.0.2987.133  Channel: beta
OS Version: 59.0.3063.0
Flash Version: 25.0.0.127
 

Deleted: smoothness_error_R59-9435_withlatest_Telemetry.txt 9.7 KB

smoothness_error_R59-9435_withlatest_Telemetry.txt 9.7 KB View Download