[team] flutter_gallery_ios32__transition_perf flakes "Original error: Bad state: The client closed with pending request "ext.flutter.driver"" #60559
Description
This test passes locally in attempts by myself and @jmagman, but failed twice in the devicelab, while passing on a third try (all on the same host, mac 11. This is a subset of the devicelab logs:
2020-06-29T13:35:45.473687: stdout: [VERBOSE0:compositor_context.cc(89)] Using SaveLayer to protect non-readback surface
2020-06-29T13:35:45.479773: stdout:
stdout: [VERBOSE0:compositor_context.cc(89)] Using SaveLayer to protect non-readback surface
2020-06-29T13:35:45.487072: stdout:
stdout: [VERBOSE0:compositor_context.cc(89)] Using SaveLayer to protect non-readback surface
2020-06-29T13:35:45.497545: stdout:
stdout: [VERBOSE0:compositor_context.cc(89)] Using SaveLayer to protect non-readback surface
2020-06-29T13:35:45.502830: stdout:
stdout: [VERBOSE0:compositor_context.cc(89)] Using SaveLayer to protect non-readback surface
2020-06-29T13:35:45.536602: stdout:
stdout: [VERBOSE0:compositor_context.cc(89)] Using SaveLayer to protect non-readback surface
2020-06-29T13:35:45.549874: stdout:
stdout: [VERBOSE0:compositor_context.cc(89)] Using SaveLayer to protect non-readback surface
2020-06-29T13:35:45.551607: stdout:
2020-06-29T13:35:45.551681: stdout: [VERBOSE0:compositor_context.cc(89)] Using SaveLayer to protect non-readback surface
2020-06-29T13:35:45.555817: stdout:
stdout: [VERBOSE0:compositor_context.cc(89)] Using SaveLayer to protect non-readback surface
2020-06-29T13:35:45.562232: stdout:
stdout: [VERBOSE0:compositor_context.cc(89)] Using SaveLayer to protect non-readback surface
2020-06-29T13:35:45.568375: stdout:
stdout: [VERBOSE0:compositor_context.cc(89)] Using SaveLayer to protect non-readback surface
2020-06-29T13:35:45.574812: stdout:
stdout: flutter: > VideoDemo initController "butterfly"
2020-06-29T13:35:45.586061: stdout:
stdout: flutter: > VideoDemo initController "bee"
2020-06-29T13:35:45.592605: stdout:
stdout: flutter: > VideoDemo dispose
2020-06-29T13:35:45.598697: stdout:
stdout: flutter: < VideoDemo dispose
2020-06-29T13:35:45.604924: stdout:
stdout: flutter: > VideoDemo initController "butterfly"
2020-06-29T13:35:45.631057: stdout:
stdout: flutter: > VideoDemo initController "bee"
2020-06-29T13:35:45.642029: stdout:
stdout: flutter: > VideoDemo dispose
2020-06-29T13:35:45.650979: stdout:
stdout: flutter: < VideoDemo dispose
2020-06-29T13:36:56.570709: stdout: Xcode build done. 72.5s
2020-06-29T13:37:34.524157: stdout: dart:async/schedule_microtask.dart 50:5 _startMicrotaskLoop
stdout: dart:isolate-patch/isolate_patch.dart 118:13 _runPendingImmediateCallback
stdout: dart:isolate-patch/timer_impl.dart 404:11 _Timer._runTimers
stdout: dart:isolate-patch/timer_impl.dart 428:5 _Timer._handleMessage
stdout: dart:isolate-patch/isolate_patch.dart 168:12 _RawReceivePortImpl._handleMessage
stdout:
stdout:
2020-06-29T13:37:34.525599: stdout: DriverError: Failed to fulfill Scroll due to remote error
stdout: Original error: Bad state: The client closed with pending request "ext.flutter.driver".
stdout: Original stack trace:
stdout: #0 new Client.withoutJson.<anonymous closure> (package:json_rpc_2/src/client.dart:70:24)
stdout: #1 StackZoneSpecification._run (package:stack_trace/src/stack_zone_specification.dart:209:15)
stdout: #2 StackZoneSpecification._registerCallback.<anonymous closure> (package:stack_trace/src/stack_zone_specification.dart:119:48)
stdout: #3 _rootRun (dart:async/zone.dart:1182:47)
stdout: #4 _CustomZone.run (dart:async/zone.dart:1093:19)
stdout: #5 _FutureListener.handleWhenComplete (dart:async/future_impl.dart:167:18)
stdout: #6 Future._propagateToListeners.handleWhenCompleteCallback (dart:async/future_impl.dart:666:39)
stdout: #7 Future._propagateToListeners (dart:async/future_impl.dart:722:37)
stdout: #8 Future._propagateToListeners (dart:async/future_impl.dart:621:9)
stdout: #9 Future._completeWithValue (dart:async/future_impl.dart:529:5)
stdout: #10 Future._asyncCompleteWithValue.<anonymous closure> (dart:async/future_impl.dart:567:7)
stdout: #11 StackZoneSpecification._run (package:stack_trace/src/stack_zone_specification.dart:209:15)
stdout: #12 StackZoneSpecification._registerCallback.<anonymous closure> (package:stack_trace/src/stack_zone_specification.dart:119:48)
stdout: #13 _rootRun (dart:async/zone.dart:1190:13)
2020-06-29T13:37:34.526147: stdout: #14 _CustomZone.run (dart:async/zone.dart:1093:19)
stdout: #15 _CustomZone.runGuarded (dart:async/zone.dart:997:7)
stdout: #16 _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1037:23)
stdout: #17 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
stdout: #18 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
stdout: #19 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:118:13)
2020-06-29T13:37:34.526386: stdout: #20 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:169:5)