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Flaky failures of co19_2/LibTest/io/Stdin/readLineSync_A03_t02 #35676

Open sjindel-google opened 5 years ago

sjindel-google commented 5 years ago

The error is:

FAILED: dartk-vm release_simdbc64 co19_2/LibTest/io/Stdin/readLineSync_A03_t02
Expected: Pass
Actual: RuntimeError

--- Command "vm_compile_to_kernel" (took 01.000062s):
DART_CONFIGURATION=ReleaseSIMDBC64 /b/s/w/ir/pkg/vm/tool/gen_kernel --no-aot --platform=xcodebuild/ReleaseSIMDBC64/vm_platform_strong.dill -o /b/s/w/ir/xcodebuild/ReleaseSIMDBC64/generated_compilations/dartk/tests_co19_2_src_LibTest_io_Stdin_readLineSync_A03_t02/out.dill /b/s/w/ir/tests/co19_2/src/LibTest/io/Stdin/readLineSync_A03_t02.dart --packages=/b/s/w/ir/.packages -Ddart.developer.causal_async_stacks=true

exit code:
0

--- Command "vm" (took 538ms):
DART_CONFIGURATION=ReleaseSIMDBC64 xcodebuild/ReleaseSIMDBC64/dart --ignore-unrecognized-flags --packages=/b/s/w/ir/.packages /b/s/w/ir/xcodebuild/ReleaseSIMDBC64/generated_compilations/dartk/tests_co19_2_src_LibTest_io_Stdin_readLineSync_A03_t02/out.dill

exit code:
255

stderr:
Unhandled exception:
FileSystemException: Cannot delete file, path = '/b/s/w/it2gGwQ2/out_HeRWpF/out_6445-9674-7002-5331.tmp' (OS Error: No such file or directory, errno = 2)
#0      _File._delete.<anonymous closure> (dart:io/file_impl.dart:291:9)
#1      _RootZone.runUnary (dart:async/zone.dart:1379:54)
#2      _FutureListener.handleValue (dart:async/future_impl.dart:126:18)
#3      Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)
#4      Future._propagateToListeners (dart:async/future_impl.dart:668:32)
#5      Future._completeWithValue (dart:async/future_impl.dart:483:5)
#6      Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)
#7      _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
#8      _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
#9      _runPendingImmediateCallback (dart:isolate/runtime/libisolate_patch.dart:115:13)
#10     _RawReceivePortImpl._handleMessage (dart:isolate/runtime/libisolate_patch.dart:172:5)

--- Re-run this test:
python tools/test.py -n dartk-mac-release-simdbc64 co19_2/LibTest/io/Stdin/readLineSync_A03_t02

The test has been seen to fail on dartk-linux-release-x64 (3 times), dartk-linux-product-x64 (2 times) and dartk-mac-release-simdbc64 (once).

For example:

https://ci.chromium.org/p/dart/builders/luci.dart.ci.sandbox/vm-kernel-linux-release-x64/3391
dcharkes commented 5 years ago

Same for co19_2/LibTest/io/Stdin/readLineSync_A03_t03 on product_x64: log

FAILED: dartk-vm product_x64 co19_2/LibTest/io/Stdin/readLineSync_A03_t03
Expected: Pass
Actual: RuntimeError

--- Command "vm" (took 01.000166s):
DART_CONFIGURATION=ProductX64 out/ProductX64/dart --ignore-unrecognized-flags --packages=/b/s/w/ir/.packages /b/s/w/ir/tests/co19_2/src/LibTest/io/Stdin/readLineSync_A03_t03.dart

exit code:
255

stderr:
Unhandled exception:
FileSystemException: Cannot delete file, path = '/b/s/w/itFJHsEZ/readLineSync_A03_t03_VPBMOV/readLineSync_A03_t03_8538-1998-8340-1393.tmp' (OS Error: No such file or directory, errno = 2)
#0      _File._delete.<anonymous closure> (dart:io/file_impl.dart:291:9)
#1      _RootZone.runUnary (dart:async/zone.dart:1379:54)
#2      _FutureListener.handleValue (dart:async/future_impl.dart:126:18)
#3      Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)
#4      Future._propagateToListeners (dart:async/future_impl.dart:668:32)
#5      Future._completeWithValue (dart:async/future_impl.dart:483:5)
#6      Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)
#7      _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
#8      _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
#9      _runPendingImmediateCallback (dart:isolate/runtime/libisolate_patch.dart:115:13)
#10     _RawReceivePortImpl._handleMessage (dart:isolate/runtime/libisolate_patch.dart:172:5)

--- Re-run this test:
python tools/test.py -n dartk-linux-product-x64 co19_2/LibTest/io/Stdin/readLineSync_A03_t03

Multiple readLineSync tests fail:

select test_name, count(*) as count, min(commit_time) as earliest, max(commit_time) as latest
from `dart-ci.results.results`
where name like "co19_2/LibTest/io/Stdin/readLineSync%"
and result <> "Pass"
group by test_name order by test_name
test_name count earliest latest
LibTest/io/Stdin/readLineSync_A03_t01 2 2019-01-02 14:30:44 UTC 2019-01-15 11:34:42 UTC
LibTest/io/Stdin/readLineSync_A03_t02 7 2018-12-13 12:53:09 UTC 2019-01-17 14:59:18 UTC
LibTest/io/Stdin/readLineSync_A03_t03 7 2018-12-11 19:18:10 UTC 2019-01-18 09:44:18 UTC
LibTest/io/Stdin/readLineSync_A04_t01 6 2019-01-04 14:44:00 UTC 2019-01-17 08:48:48 UTC

Under multiple configurations:

configuration count earliest latest
dartk-linux-product-x64 3 2018-12-20 11:12:49 UTC 2019-01-18 09:44:18 UTC
dartk-linux-release-simdbc64 5 2018-12-11 19:18:10 UTC 2019-01-17 14:59:18 UTC
dartk-linux-release-x64 5 2018-12-13 12:53:09 UTC 2019-01-09 20:10:31 UTC
dartk-mac-debug-simdbc64 1 2019-01-14 18:50:29 UTC 2019-01-14 18:50:29 UTC
dartk-mac-product-x64 4 2019-01-04 18:35:53 UTC 2019-01-15 15:52:54 UTC
dartk-mac-release-simdbc64 2 2019-01-02 14:30:44 UTC 2019-01-16 08:22:09 UTC
dartk-mac-release-x64 2 2019-01-14 15:51:46 UTC 2019-01-17 08:48:48 UTC