Details
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Bug
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Resolution: Done
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P2: Important
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6.2.0 RC2, 6.3.0 Feature Freeze, 5.15, 6.2
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None
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Linux/X11
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21
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52ad59f9eabbe1fc8ca49d117e4955f2d21d50a7 (qt/qtbase/dev) 85ababa213bd03c455306c9af8561e52a77e5a27 (qt/qtbase/6.2) 594791fc54054e2f4e221f218b3b2d56f8fec4f1 (qt/tqtc-qtbase/5.15)
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Team 1 Foundation_Sprint 43
Description
When running Creator build against Qt 6.2 there are many messages: "QThread::wait: Thread tried to wait on itself" being printed out.
The call stack:
1 QThread::wait qthread_unix.cpp 765 0x7ffff5a6faf7 2 QThreadPoolPrivate::tryStart qthreadpool.cpp 200 0x7ffff5a76513 3 QThreadPool::start qthreadpool.cpp 516 0x7ffff5a773dd 4 Utils::Internal::runAsync_internal<std::reference_wrapper<const Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>>, std::reference_wrapper<Utils::FilePath>>(QThreadPool *, Utils::StackSizeInBytes, QThread::Priority, std::reference_wrapper<const Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>> &&) runextensions.h 411 0x7fffb6f986c7 5 Utils::runAsync<std::reference_wrapper<const Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>>, std::reference_wrapper<Utils::FilePath>>(QThreadPool *, QThread::Priority, std::reference_wrapper<const Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>> &&) runextensions.h 457 0x7fffb6f98327 6 Utils::runAsync<std::reference_wrapper<const Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>>, std::reference_wrapper<Utils::FilePath>>(QThreadPool *, std::reference_wrapper<const Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>> &&) runextensions.h 546 0x7fffb6f9809d 7 Utils::Internal::MapReduceBase<QList<Utils::FilePath>::iterator, QSharedPointer<Autotest::TestParseResult>, Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>, void *, QSharedPointer<Autotest::TestParseResult>, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>>::schedule(void) mapreduce.h 113 0x7fffb6f9724e 8 Utils::Internal::MapReduceBase<QList<Utils::FilePath>::iterator, QSharedPointer<Autotest::TestParseResult>, Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>, void *, QSharedPointer<Autotest::TestParseResult>, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>>::exec(void) mapreduce.h 87 0x7fffb6f960d0 9 Utils::Internal::blockingIteratorMapReduce<QList<Utils::FilePath>::iterator, void * ( *)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>, QSharedPointer<Autotest::TestParseResult>, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>, void ( *)(void *)>(QFutureInterface<QSharedPointer<Autotest::TestParseResult>> &, QList<Utils::FilePath>::iterator, QList<Utils::FilePath>::iterator, void *( *&&)(void), struct {...} &&, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>> &&, void ( *&&)(void *), Utils::MapReduceOption, QThreadPool *, int) mapreduce.h 293 0x7fffb6f957da 10 Utils::Internal::blockingContainerMapReduce<QList<Utils::FilePath>, void * ( *)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>, QSharedPointer<Autotest::TestParseResult>, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>, void ( *)(void *)>(QFutureInterface<QSharedPointer<Autotest::TestParseResult>> &, QList<Utils::FilePath> &&, void *( *&&)(void), struct {...} &&, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>> &&, void ( *&&)(void *), Utils::MapReduceOption, QThreadPool *) mapreduce.h 305 0x7fffb6f95250 11 Utils::Internal::runAsyncQFutureInterfaceDispatch<QSharedPointer<Autotest::TestParseResult>, void ( *)(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, QList<Utils::FilePath>&&, void * ( *&&)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>&&, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>&&, void ( *&&)(void *), Utils::MapReduceOption, QThreadPool *), QList<Utils::FilePath>, void * ( *)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>, void ( *)(void *), Utils::MapReduceOption, QThreadPool *>(std::true_type, QFutureInterface<QSharedPointer<Autotest::TestParseResult>> &, void ( *&&)(QFutureInterface<QSharedPointer<Autotest::TestParseResult>> &, QList<Utils::FilePath> &&, void *( *&&)(void), struct {...} &&, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>> &&, void ( *&&)(void *), Utils::MapReduceOption, QThreadPool *)) runextensions.h 257 0x7fffb6f99b30 12 Utils::Internal::runAsyncMemberDispatch<QSharedPointer<Autotest::TestParseResult>, void ( *)(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, QList<Utils::FilePath>&&, void * ( *&&)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>&&, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>&&, void ( *&&)(void *), Utils::MapReduceOption, QThreadPool *), QList<Utils::FilePath>, void * ( *)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>, void ( *)(void *), Utils::MapReduceOption, QThreadPool *>(QFutureInterface<QSharedPointer<Autotest::TestParseResult>> &, void ( *&&)(QFutureInterface<QSharedPointer<Autotest::TestParseResult>> &, QList<Utils::FilePath> &&, void *( *&&)(void), struct {...} &&, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>> &&, void ( *&&)(void *), Utils::MapReduceOption, QThreadPool *)) runextensions.h 274 0x7fffb6f99992 13 Utils::Internal::runAsyncImpl<QSharedPointer<Autotest::TestParseResult>, void ( *)(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, QList<Utils::FilePath>&&, void * ( *&&)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>&&, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>&&, void ( *&&)(void *), Utils::MapReduceOption, QThreadPool *), QList<Utils::FilePath>, void * ( *)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>, void ( *)(void *), Utils::MapReduceOption, QThreadPool *>(QFutureInterface<QSharedPointer<Autotest::TestParseResult>> &, void ( *&&)(QFutureInterface<QSharedPointer<Autotest::TestParseResult>> &, QList<Utils::FilePath> &&, void *( *&&)(void), struct {...} &&, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>> &&, void ( *&&)(void *), Utils::MapReduceOption, QThreadPool *)) runextensions.h 303 0x7fffb6f997db 14 Utils::Internal::AsyncJob<QSharedPointer<Autotest::TestParseResult>, void (&)(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, QList<Utils::FilePath>&&, void * ( *&&)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>&&, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>&&, void ( *&&)(void *), Utils::MapReduceOption, QThreadPool *), QList<Utils::FilePath>&, void * (&)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>, void (&)(void *), Utils::MapReduceOption&, QThreadPool *&>::runHelper<0, 1, 2, 3, 4, 5, 6, 7>(std::index_sequence) runextensions.h 372 0x7fffb6f994e6 15 Utils::Internal::AsyncJob<QSharedPointer<Autotest::TestParseResult>, void (&)(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, QList<Utils::FilePath>&&, void * ( *&&)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>&&, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>&&, void ( *&&)(void *), Utils::MapReduceOption, QThreadPool *), QList<Utils::FilePath>&, void * (&)(), Autotest::Internal::TestCodeParser::scanForTests(const FilePaths&, const QList<Autotest::ITestParser *>&)::<lambda(QFutureInterface<QSharedPointer<Autotest::TestParseResult>>&, const Utils::FilePath&)>, Utils::Internal::DummyReduce<QSharedPointer<Autotest::TestParseResult>>, void (&)(void *), Utils::MapReduceOption&, QThreadPool *&>::run(void) runextensions.h 352 0x7fffb6f98f9f 16 Utils::Internal::RunnableThread::run runextensions.cpp 39 0x7ffff7cd27d7 17 QThreadPrivate::start qthread_unix.cpp 336 0x7ffff5a6f017 18 start_thread 0x7ffff52f1299 19 clone 0x7ffff5219353
It looks like the call to thread->wait() inside QThreadPoolPrivate::tryStart() was introduced in: 7cd69f9af057f4b48b259004b032f241b72f0de9