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cheets_MediaPlayerVideoHWDecodeUsed failing on cyan- and reef-chrome-pfq with Unhandled DevtoolsTargetCrashException |
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Issue descriptionChrome Version: 70.0.3502.0 The most recent runs of cyan- and reef-chrome-pfq are red: https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8939951841574145184 https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8939951833809993952 cheets_MediaPlayerVideoHWDecodeUsed in HWTest [bvt-arc] failed with: Unhandled DevtoolsTargetCrashException: Devtools target crashed +hiroh@: You've recently worked on this file: https://cs.corp.google.com/chromeos_internal/src/third_party/autotest-tests-cheets/client/site_tests/cheets_MediaPlayerVideoHWDecodeUsed/cheets_MediaPlayerVideoHWDecodeUsed.py and also were assigned the similar-looking Issue 803703 . Could you take a look at this, and advise? The Chrome PFQ is red at the moment as a result of this. +gardeners and sheriffs
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Jul 26
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Jul 27
Looks like the error happens in checking chrome://histogram values. Our team knows checking that has flakiness. deanliao@ is working to change the way these days. I think this is not real error and will pass next PFQ try. Let's monitor next few results. Looking cheets_MediaPlayerVideoHWDecodeUsed.DEBUG, only one try was executed. JOB_RETRY is set to 2 in control file, it should be tried twice, Hmm... +johnylin@, who is the OWNER of this test just in case.
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Jul 27
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Jul 27
The issue I'm working on: 844755 My first step is to let autotest emit finer grain error message to know what's wrong with histogram verifier. This case was that Telemetry's tab.Navigate(histogram_url) raised an exception because devtool connection is closed. histogram_verifier.verify() should handle the exception and let it try till timeout, which is not. This is addressed in my work-in-progress commit: https://crrev.com/c/1138040 quoted from a debug log in attachment: Traceback (most recent call last): File "/usr/local/autotest/common_lib/test.py", line 831, in _call_test_function return func(*args, **dargs) File "/usr/local/autotest/common_lib/test.py", line 495, in execute dargs) File "/usr/local/autotest/common_lib/test.py", line 362, in _call_run_once_with_retry postprocess_profiled_run, args, dargs) File "/usr/local/autotest/common_lib/test.py", line 400, in _call_run_once self.run_once(*args, **dargs) File "/usr/local/autotest/cros/video/helper_logger.py", line 82, in call return func(*args, **kwargs) File "/usr/local/autotest/tests/cheets_MediaPlayerVideoHWDecodeUsed/cheets_MediaPlayerVideoHWDecodeUsed.py", line 59, in run_once constants.MEDIA_CAVDA_BUCKET) File "/usr/local/autotest/cros/video/histogram_verifier.py", line 72, in verify sleep_interval=1) File "/usr/local/autotest/common_lib/utils.py", line 2685, in poll_for_condition value = condition() File "/usr/local/autotest/cros/video/histogram_verifier.py", line 70, in <lambda> bucket_pattern), File "/usr/local/autotest/cros/video/histogram_verifier.py", line 46, in loaded return re.search(pattern, get_histogram_text(tab, histogram_name)) File "/usr/local/autotest/cros/video/histogram_verifier.py", line 21, in get_histogram_text tab.Navigate('chrome://histograms/%s' % histogram_name) File "/usr/local/telemetry/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 "/usr/local/telemetry/src/third_party/catapult/telemetry/telemetry/internal/browser/web_contents.py", line 299, in Navigate self._inspector_backend.Navigate(url, script_to_evaluate_on_commit, timeout) File "/usr/local/telemetry/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 "/usr/local/telemetry/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend.py", line 41, in Inner inspector_backend._ConvertExceptionFromInspectorWebsocket(e) File "/usr/local/telemetry/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 "/usr/local/telemetry/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend.py", line 38, in Inner return func(inspector_backend, *args, **kwargs) File "/usr/local/telemetry/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend.py", line 185, in Navigate self._page.Navigate(url, script_to_evaluate_on_commit, timeout) File "/usr/local/telemetry/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_page.py", line 104, in Navigate self._SetScriptToEvaluateOnCommit(script_to_evaluate_on_commit, timeout) File "/usr/local/telemetry/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_page.py", line 70, in _SetScriptToEvaluateOnCommit res = self._inspector_websocket.SyncRequest(request, timeout) File "/usr/local/telemetry/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_websocket.py", line 116, in SyncRequest res = self._Receive(timeout) File "/usr/local/telemetry/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_websocket.py", line 155, in _Receive data = self._socket.recv() File "/usr/local/telemetry/src/third_party/catapult/telemetry/third_party/websocket-client/websocket/_core.py", line 293, in recv opcode, data = self.recv_data() File "/usr/local/telemetry/src/third_party/catapult/telemetry/third_party/websocket-client/websocket/_core.py", line 310, in recv_data opcode, frame = self.recv_data_frame(control_frame) File "/usr/local/telemetry/src/third_party/catapult/telemetry/third_party/websocket-client/websocket/_core.py", line 323, in recv_data_frame frame = self.recv_frame() File "/usr/local/telemetry/src/third_party/catapult/telemetry/third_party/websocket-client/websocket/_core.py", line 357, in recv_frame return self.frame_buffer.recv_frame() File "/usr/local/telemetry/src/third_party/catapult/telemetry/third_party/websocket-client/websocket/_abnf.py", line 336, in recv_frame self.recv_header() File "/usr/local/telemetry/src/third_party/catapult/telemetry/third_party/websocket-client/websocket/_abnf.py", line 286, in recv_header header = self.recv_strict(2) File "/usr/local/telemetry/src/third_party/catapult/telemetry/third_party/websocket-client/websocket/_abnf.py", line 371, in recv_strict bytes_ = self.recv(min(16384, shortage)) File "/usr/local/telemetry/src/third_party/catapult/telemetry/third_party/websocket-client/websocket/_core.py", line 427, in _recv return recv(self.sock, bufsize) File "/usr/local/telemetry/src/third_party/catapult/telemetry/third_party/websocket-client/websocket/_socket.py", line 93, in recv "Connection is already closed.") DevtoolsTargetCrashException: Devtools target crashed Though this case is no histogram content from log:
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Aug 20
After https://crrev.com/c/1138040, which allows finer grain error message, I'm working on https://crrev.com/c/1148173/2/client/cros/video/histogram_verifier.py which utilizes poll_for_condition_ex().
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Oct 30
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Comment 1 by posciak@chromium.org
, Jul 26