[lldb-dev] [llvm-dev] [lit] check-all hanging

Joel E. Denny via lldb-dev lldb-dev at lists.llvm.org
Fri Jan 4 07:30:43 PST 2019


On Thu, Jan 3, 2019 at 11:30 AM Frédéric Riss <friss at apple.com> wrote:

> -llvm-dev + lldb-dev for the lldv test failures.
>
> On Jan 3, 2019, at 7:33 AM, Joel E. Denny <jdenny.ornl at gmail.com> wrote:
>
> All,
>
> Thanks for the replies.  Kuba: For LLDB, when were things expected to have
> improved?  It's possible things improved for me at some point, but this
> isn't something I've found time to track carefully, and I still see
> problems.
>
> I ran check-all a couple of times last night at r350238, which I pulled
> yesterday.  Here are the results:
>
> ```
> ********************
> Testing Time: 5043.24s
> ********************
> Unexpected Passing Tests (2):
>     lldb-Suite :: functionalities/asan/TestMemoryHistory.py
>     lldb-Suite :: functionalities/asan/TestReportData.py
>
> ********************
> Failing Tests (54):
>     Clang :: CXX/modules-ts/basic/basic.link/p2/module.cpp
>     Clang :: Modules/ExtDebugInfo.cpp
>     Clang :: Modules/using-directive-redecl.cpp
>     Clang :: Modules/using-directive.cpp
>     Clang :: PCH/chain-late-anonymous-namespace.cpp
>     Clang :: PCH/cxx-namespaces.cpp
>     Clang :: PCH/namespaces.cpp
>     LLDB :: ExecControl/StopHook/stop-hook-threads.test
>     LeakSanitizer-AddressSanitizer-x86_64 :: TestCases/Linux/
> use_tls_dynamic.cc
>     LeakSanitizer-Standalone-x86_64 :: TestCases/Linux/use_tls_dynamic.cc
>     MemorySanitizer-X86_64 :: dtls_test.c
>     MemorySanitizer-lld-X86_64 :: dtls_test.c
>     lldb-Suite ::
> functionalities/register/register_command/TestRegisters.py
>     lldb-Suite :: tools/lldb-server/TestGdbRemoteRegisterState.py
>
>
> It’s hard to diagnose dotest failures without the log.
>

(My last reply to this was rejected by the list because I wasn't
subscribed.  Trying again.)

I have no experience debugging lldb.  Here's the lit output for the last
fail (now at r350377), but let me know if you want something more:

```
FAIL: lldb-Suite :: tools/lldb-server/TestGdbRemoteRegisterState.py (59083
of 59736)
******************** TEST 'lldb-Suite ::
tools/lldb-server/TestGdbRemoteRegisterState.py' FAILED ********************
lldb version 8.0.0
LLDB library dir: /home/jdenny/ornl/llvm-mono-git-build/bin
LLDB import library dir: /home/jdenny/ornl/llvm-mono-git-build/bin
Libc++ tests will not be run because: Unable to find libc++ installation
Skipping following debug info categories: ['dsym', 'gmodules']

Session logs for test failures/errors/unexpected successes will go into
directory '/home/jdenny/ornl/llvm-mono-git-build/lldb-test-traces'
Command invoked: /home/jdenny/ornl/llvm-mono-git/lldb/test/dotest.py -q
--arch=x86_64 -s /home/jdenny/ornl/llvm-mono-git-build/lldb-test-traces
--build-dir /home/jdenny/ornl/llvm-mono-git-build/lldb-test-build.noindex
-S nm -u CXXFLAGS -u CFLAGS --executable
/home/jdenny/ornl/llvm-mono-git-build/./bin/lldb --dsymutil
/home/jdenny/ornl/llvm-mono-git-build/./bin/dsymutil --filecheck
/home/jdenny/ornl/llvm-mono-git-build/./bin/FileCheck -C
/home/jdenny/ornl/llvm-mono-git-build/./bin/clang --env
ARCHIVER=/usr/bin/ar --env OBJCOPY=/usr/bin/objcopy
/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server
-p TestGdbRemoteRegisterState.py
UNSUPPORTED: LLDB
(/home/jdenny/ornl/llvm-mono-git-build/bin/clang-8-x86_64) ::
test_grp_register_save_restore_works_no_suffix_debugserver
(TestGdbRemoteRegisterState.TestGdbRemoteRegisterState) (debugserver tests)
FAIL: LLDB (/home/jdenny/ornl/llvm-mono-git-build/bin/clang-8-x86_64) ::
test_grp_register_save_restore_works_no_suffix_llgs
(TestGdbRemoteRegisterState.TestGdbRemoteRegisterState)
lldb-server exiting...
UNSUPPORTED: LLDB
(/home/jdenny/ornl/llvm-mono-git-build/bin/clang-8-x86_64) ::
test_grp_register_save_restore_works_with_suffix_debugserver
(TestGdbRemoteRegisterState.TestGdbRemoteRegisterState) (debugserver tests)
FAIL: LLDB (/home/jdenny/ornl/llvm-mono-git-build/bin/clang-8-x86_64) ::
test_grp_register_save_restore_works_with_suffix_llgs
(TestGdbRemoteRegisterState.TestGdbRemoteRegisterState)
lldb-server exiting...
======================================================================
FAIL: test_grp_register_save_restore_works_no_suffix_llgs
(TestGdbRemoteRegisterState.TestGdbRemoteRegisterState)
----------------------------------------------------------------------
Traceback (most recent call last):
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/decorators.py",
line 144, in wrapper
    func(*args, **kwargs)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/TestGdbRemoteRegisterState.py",
line 137, in test_grp_register_save_restore_works_no_suffix_llgs
    self.grp_register_save_restore_works(USE_THREAD_SUFFIX)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/TestGdbRemoteRegisterState.py",
line 97, in grp_register_save_restore_works
    context = self.expect_gdbremote_sequence()
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py",
line 713, in expect_gdbremote_sequence
    self.logger)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py",
line 261, in expect_lldb_gdbserver_replay
    asserter, content, context=context)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py",
line 564, in assert_match
    self._assert_exact_payload_match(asserter, actual_packet)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py",
line 518, in _assert_exact_payload_match
    assert_packets_equal(asserter, actual_packet, self.exact_payload)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py",
line 159, in assert_packets_equal
    asserter.assertEqual(actual_stripped, expected_stripped)
AssertionError: '$E77' != '$OK'
Config=x86_64-/home/jdenny/ornl/llvm-mono-git-build/bin/clang-8
======================================================================
FAIL: test_grp_register_save_restore_works_with_suffix_llgs
(TestGdbRemoteRegisterState.TestGdbRemoteRegisterState)
----------------------------------------------------------------------
Traceback (most recent call last):
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/decorators.py",
line 144, in wrapper
    func(*args, **kwargs)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/TestGdbRemoteRegisterState.py",
line 121, in test_grp_register_save_restore_works_with_suffix_llgs
    self.grp_register_save_restore_works(USE_THREAD_SUFFIX)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/TestGdbRemoteRegisterState.py",
line 97, in grp_register_save_restore_works
    context = self.expect_gdbremote_sequence()
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py",
line 713, in expect_gdbremote_sequence
    self.logger)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py",
line 261, in expect_lldb_gdbserver_replay
    asserter, content, context=context)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py",
line 564, in assert_match
    self._assert_exact_payload_match(asserter, actual_packet)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py",
line 518, in _assert_exact_payload_match
    assert_packets_equal(asserter, actual_packet, self.exact_payload)
  File
"/home/jdenny/ornl/llvm-mono-git/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py",
line 159, in assert_packets_equal
    asserter.assertEqual(actual_stripped, expected_stripped)
AssertionError: '$E77' != '$OK'
Config=x86_64-/home/jdenny/ornl/llvm-mono-git-build/bin/clang-8
----------------------------------------------------------------------
Ran 4 tests in 22.052s

RESULT: FAILED (0 passes, 2 failures, 0 errors, 2 skipped, 0 expected
failures, 0 unexpected successes)

********************
```


>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestBorrowedReferences
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestDictionaryResolutionWithDot
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestExtractingUInt64ThroughStructuredData
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestGlobalNameResolutionNoDot
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestGlobalNameResolutionWithDot
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestInstanceNameResolutionNoDot
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestModuleNameResolutionNoDot
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestObjectAttributes
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestOwnedReferences
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonByteArray
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonBytes
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonCallableCheck
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonCallableInvoke
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonDictionaryManipulation
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonDictionaryToStructuredDictionary
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonDictionaryValueEquality
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonFile
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonInteger
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonIntegerToStr
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonIntegerToStructuredInteger
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonListManipulation
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonListToStructuredList
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonListValueEquality
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonString
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonStringToStr
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonStringToStructuredString
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonTupleInitializerList
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonTupleInitializerList2
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonTupleSize
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonTupleToStructuredList
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestPythonTupleValues
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestResetting
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonDataObjectsTest.TestTypeNameResolutionNoDot
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonExceptionStateTest.TestAcquisitionSemantics
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonExceptionStateTest.TestAutoRestoreChanged
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonExceptionStateTest.TestAutoRestoreSemantics
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonExceptionStateTest.TestDiscardSemantics
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonExceptionStateTest.TestExceptionStateChecking
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonExceptionStateTest.TestManualRestoreSemantics
>     lldb-Unit ::
> ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonExceptionStateTest.TestResetSemantics
>
>
> Those unit test failures don’t ring a bell. Anyone’s seen this? Here too,
> knowing exactly the error message would help.
>

Here's the lit output for the last one:

```
FAIL: lldb-Unit ::
ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonExceptionStateTest.TestResetSemantics
(59324 of 59736)
******************** TEST 'lldb-Unit ::
ScriptInterpreter/Python/./ScriptInterpreterPythonTests/PythonExceptionStateTest.TestResetSemantics'
FAILED ********************
Note: Google Test filter = PythonExceptionStateTest.TestResetSemantics
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from PythonExceptionStateTest
[ RUN      ] PythonExceptionStateTest.TestResetSemantics
ScriptInterpreterPythonTests:
/home/jdenny/ornl/llvm-mono-git/llvm/include/llvm/Support/CommandLine.h:800:
void llvm::cl::parser<llvm::ScheduleDAGInstrs
*(*)(llvm::MachineSchedContext *)>::addLiteralOption(llvm::StringRef, const
DT &, llvm::StringRef) [DataType = llvm::ScheduleDAGInstrs
*(*)(llvm::MachineSchedContext *), DT = llvm::ScheduleDAGInstrs
*(*)(llvm::MachineSchedContext *)]: Assertion `findOption(Name) ==
Values.size() && "Option already exists!"' failed.
/home/jdenny/ornl/llvm-mono-git-build/lib/libLLVMSupport.so.8svn(_ZN4llvm3sys15PrintStackTraceERNS_11raw_ostreamE+0x39)[0x7fc0daf41b29]
/home/jdenny/ornl/llvm-mono-git-build/lib/libLLVMSupport.so.8svn(+0x32ecd9)[0x7fc0daf41cd9]
/home/jdenny/ornl/llvm-mono-git-build/lib/libLLVMSupport.so.8svn(_ZN4llvm3sys17RunSignalHandlersEv+0x76)[0x7fc0daf3fd86]
/home/jdenny/ornl/llvm-mono-git-build/lib/libLLVMSupport.so.8svn(+0x32f37b)[0x7fc0daf4237b]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x12890)[0x7fc0e2a48890]
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x7fc0d7589e97]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x7fc0d758b801]
/lib/x86_64-linux-gnu/libc.so.6(+0x3039a)[0x7fc0d757b39a]
/lib/x86_64-linux-gnu/libc.so.6(+0x30412)[0x7fc0d757b412]
/home/jdenny/ornl/llvm-mono-git-build/lib/libLLVMCodeGen.so.8svn(+0x5d7f5e)[0x7fc0cffcbf5e]
/home/jdenny/ornl/llvm-mono-git-build/lib/libLLVMCodeGen.so.8svn(+0x5d7a07)[0x7fc0cffcba07]
/usr/lib/x86_64-linux-gnu/libLLVM-6.0.so.1(+0x6db7a1)[0x7fc0c8c2d7a1]
/lib64/ld-linux-x86-64.so.2(+0x10733)[0x7fc0e2c65733]
/lib64/ld-linux-x86-64.so.2(+0x151ff)[0x7fc0e2c6a1ff]
/lib/x86_64-linux-gnu/libc.so.6(_dl_catch_exception+0x6f)[0x7fc0d76b22df]
/lib64/ld-linux-x86-64.so.2(+0x147ca)[0x7fc0e2c697ca]
/lib/x86_64-linux-gnu/libdl.so.2(+0xf96)[0x7fc0daa0ff96]
/lib/x86_64-linux-gnu/libc.so.6(_dl_catch_exception+0x6f)[0x7fc0d76b22df]
/lib/x86_64-linux-gnu/libc.so.6(_dl_catch_error+0x2f)[0x7fc0d76b236f]
/lib/x86_64-linux-gnu/libdl.so.2(+0x1735)[0x7fc0daa10735]
/lib/x86_64-linux-gnu/libdl.so.2(dlopen+0x71)[0x7fc0daa10051]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(_PyImport_GetDynLoadFunc+0x120)[0x7fc0e21dd4f0]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(_PyImport_LoadDynamicModule+0x70)[0x7fc0e2167c80]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0x1d4afe)[0x7fc0e21ebafe]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0x151e91)[0x7fc0e2168e91]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0x152176)[0x7fc0e2169176]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyImport_ImportModuleLevel+0x2f5)[0x7fc0e2169565]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0xb4de4)[0x7fc0e20cbde4]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyObject_Call+0x43)[0x7fc0e206b333]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyEval_CallObjectWithKeywords+0x47)[0x7fc0e21f57a7]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x3909)[0x7fc0e20c1ac9]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x7d8)[0x7fc0e21f6278]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyEval_EvalCode+0x19)[0x7fc0e20be029]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyImport_ExecCodeModuleEx+0xac)[0x7fc0e21e61cc]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0x1d4462)[0x7fc0e21eb462]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0x1d4a3e)[0x7fc0e21eba3e]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0x1d4d4a)[0x7fc0e21ebd4a]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0x151e91)[0x7fc0e2168e91]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyImport_ImportModuleLevel+0x122)[0x7fc0e2169392]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0xb4de4)[0x7fc0e20cbde4]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyObject_Call+0x43)[0x7fc0e206b333]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyEval_CallObjectWithKeywords+0x47)[0x7fc0e21f57a7]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x3909)[0x7fc0e20c1ac9]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x7d8)[0x7fc0e21f6278]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyEval_EvalCode+0x19)[0x7fc0e20be029]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyRun_StringFlags+0x76)[0x7fc0e2161546]
/usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyRun_SimpleStringFlags+0x3b)[0x7fc0e21615db]
/home/jdenny/ornl/llvm-mono-git-build/tools/lldb/unittests/ScriptInterpreter/Python/./ScriptInterpreterPythonTests[0x4d3cd2]
/home/jdenny/ornl/llvm-mono-git-build/tools/lldb/unittests/ScriptInterpreter/Python/./ScriptInterpreterPythonTests[0x4863c8]
/home/jdenny/ornl/llvm-mono-git-build/lib/libgtest.so.8svn(_ZN7testing8internal38HandleSehExceptionsInMethodIfSupportedINS_4TestEvEET0_PT_MS4_FS3_vEPKc+0x7e)[0x7fc0e25f482e]
/home/jdenny/ornl/llvm-mono-git-build/lib/libgtest.so.8svn(_ZN7testing8internal35HandleExceptionsInMethodIfSupportedINS_4TestEvEET0_PT_MS4_FS3_vEPKc+0x72)[0x7fc0e25dfa22]
/home/jdenny/ornl/llvm-mono-git-build/lib/libgtest.so.8svn(_ZN7testing4Test3RunEv+0x74)[0x7fc0e25cd004]
/home/jdenny/ornl/llvm-mono-git-build/lib/libgtest.so.8svn(_ZN7testing8TestInfo3RunEv+0xe3)[0x7fc0e25cd913]
/home/jdenny/ornl/llvm-mono-git-build/lib/libgtest.so.8svn(_ZN7testing8TestCase3RunEv+0xec)[0x7fc0e25cde6c]
/home/jdenny/ornl/llvm-mono-git-build/lib/libgtest.so.8svn(_ZN7testing8internal12UnitTestImpl11RunAllTestsEv+0x2e1)[0x7fc0e25d35b1]
/home/jdenny/ornl/llvm-mono-git-build/lib/libgtest.so.8svn(_ZN7testing8internal38HandleSehExceptionsInMethodIfSupportedINS0_12UnitTestImplEbEET0_PT_MS4_FS3_vEPKc+0x7e)[0x7fc0e25f801e]
/home/jdenny/ornl/llvm-mono-git-build/lib/libgtest.so.8svn(_ZN7testing8internal35HandleExceptionsInMethodIfSupportedINS0_12UnitTestImplEbEET0_PT_MS4_FS3_vEPKc+0x72)[0x7fc0e25e17c2]
/home/jdenny/ornl/llvm-mono-git-build/lib/libgtest.so.8svn(_ZN7testing8UnitTest3RunEv+0xc2)[0x7fc0e25d32a2]
/home/jdenny/ornl/llvm-mono-git-build/lib/libgtest_main.so.8svn(+0xbe1)[0x7fc0e2834be1]
/home/jdenny/ornl/llvm-mono-git-build/lib/libgtest_main.so.8svn(main+0x148)[0x7fc0e2834bb8]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7)[0x7fc0d756cb97]
/home/jdenny/ornl/llvm-mono-git-build/tools/lldb/unittests/ScriptInterpreter/Python/./ScriptInterpreterPythonTests[0x47196a]
```

Joel


>   Expected Passes    : 57489
>   Expected Failures  : 276
>   Unsupported Tests  : 1883
>   Unexpected Passes  : 2
>   Unexpected Failures: 54
>
> 14 warning(s) in tests.
> FAILED: CMakeFiles/check-all
> ```
>
> I immediately ran it again and saw one new unexpected fail:
>
> ```
>     lldb-Suite :: tools/lldb-mi/syntax/TestMiSyntax.py
> ```
>
>
> Adrian, do we have remaining flakiness in the MI tests? Is this one of the
> GSoc tests?
>
> and one new unresolved test:
>
> ```
>     lldb-Suite :: tools/lldb-vscode/breakpoint/TestVSCode_setBreakpoints.py
> ```
>
> On the second run but not the first, it hung all night long waiting for
> TestVSCode_setBreakpoints.py to terminate.  I killed dotest.py to get the
> final results.
>
>
> We have disabled the VScode tests on Darwin because they very flaky on the
> bots. +Greg who added those.
>
> Fred
>
> I currently clone <https://github.com/llvm-project/llvm-project-20170507>.
> I configure with `BUILD_SHARED_LIBS=true` and
> `-DLLVM_ENABLE_PROJECTS='clang;openmp;libcxx;libcxxabi;lldb;compiler-rt;lld;polly'`,
> among other options.  I have to run check-all with LD_LIBRARY_PATH pointing
> at my build's lib directory, or there are many more LLDB failures.  I
> believe that's not true for most test suites.  I'm building and testing
> under Ubuntu 18.04.1.
>
> Hope that helps.  I'm happy to provide more details.  Just tell me where
> you'd like to start.
>
> Thanks.
>
> Joel
>
> On Wed, Jan 2, 2019 at 5:51 PM Kuba Mracek <mracek at apple.com> wrote:
>
>> +Fred, +me
>>
>> For LLDB tests: I believe this got much much better recently. Are you
>> still seeing flaky LLDB tests? Any details you can share?
>> For sanitizer tests: I'm very much interesting in removing flakiness as
>> well. Any specific tests you see as flaky?
>>
>> Kuba
>>
>> On Jan 2, 2019, at 2:05 PM, Joel E. Denny via llvm-dev <
>> llvm-dev at lists.llvm.org> wrote:
>>
>> Hi David, Chandler,
>>
>> I see lldb tests hang often, and then I kill the dotest process.
>>
>> I'd like to stop running check-all too, but I feel it's important when I
>> modify FileCheck.  The flakiness that Chandler mentioned makes it
>> time-consuming to verify test results.
>>
>> Joel
>>
>> On Wed, Jan 2, 2019 at 4:41 PM Chandler Carruth via llvm-dev <
>> llvm-dev at lists.llvm.org> wrote:
>>
>>> What you're seeing is just the fact that lit is waiting on subprocesses
>>> (select is waiting on the pipes i suspect).
>>>
>>> Anyways, you'll need to dig into what it is waiting on, and what *that*
>>> process is doing that is stuck to make progress.
>>>
>>> I've not seen anything like this, but I basically never run `check-all`
>>> these days because LLDB and sanitizer tests are too flaky. =[ I've not been
>>> able to interest anyone in fixing this either sadly.
>>>
>>> On Wed, Jan 2, 2019 at 10:09 AM David Greene via llvm-dev <
>>> llvm-dev at lists.llvm.org> wrote:
>>>
>>>> Hi,
>>>>
>>>> From time to time, I see check-all hang during running of lit tests.
>>>> The hang always happens at the > 90% completion stage and I'm pretty
>>>> sure all tests have been run and check-all is just waiting for
>>>> lit/python to exit.  I see a single python processing running, taking
>>>> very little CPU time.  An strace of that process shows this:
>>>>
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 32168}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 1000})  = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 2000})  = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 4000})  = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 8000})  = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 16000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 32000}) = 0 (Timeout)
>>>> futex(0x3bcc8c0, FUTEX_WAKE_PRIVATE, 1) = 1
>>>> futex(0x3bcc8c0, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0,
>>>> NULL, ffffffff) = 0
>>>> futex(0x3bcc8c0, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0,
>>>> NULL, ffffffff) = -1 EAGAIN (Resourc
>>>> e temporarily unavailable)
>>>>
>>>> futex(0x3bcc8c0, FUTEX_WAKE_PRIVATE, 1) = 1
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> futex(0x3bcc8c0, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0,
>>>> NULL, ffffffff) = -1 EAGAIN (Resourc
>>>> e temporarily unavailable)
>>>>
>>>> futex(0x3bcc8c0, FUTEX_WAKE_PRIVATE, 1) = 1
>>>> futex(0x3bcc8c0, FUTEX_WAKE_PRIVATE, 1) = 1
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>> select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
>>>>
>>>> It appears that python is waiting for some I/O or something which never
>>>> appears.
>>>>
>>>> Has anyone else seen this before?  Any ideas of what is going on or how
>>>> to fix it?
>>>>
>>>>                               -David
>>>> _______________________________________________
>>>> LLVM Developers mailing list
>>>> llvm-dev at lists.llvm.org
>>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>>>
>>> _______________________________________________
>>> LLVM Developers mailing list
>>> llvm-dev at lists.llvm.org
>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>>
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>
>>
>>
>
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