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| Example of output of the deterministic hang on 1 thread: | |
| a) compile with USE_CUSTOM_CONDITION_VARIABLE = 1 | |
| b) type the commands | |
| ./stockfish | |
| bench <--- doesn't run | |
| stop <--- doesn't work | |
| quit <--- doesn't work | |
| ^C | |
| =============================================================== | |
| 23:26:21 > ./stockfish | |
| [DEBUG_HANG] entering main()... | |
| Stockfish 180919 64 POPCNT by T. Romstad, M. Costalba, J. Kiiski, G. Linscott | |
| [DEBUG_HANG] entering ThreadPool::set with requested = 1 and size = 0 | |
| [DEBUG_HANG] ThreadPool::set has requested > 0 and is constructing the main thread... | |
| [DEBUG_HANG] Thread 0 is entering idle_loop()... | |
| [DEBUG_HANG] Thread 0 is calling notify_one() in idle_loop(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering notify_one() | |
| [DEBUG_HANG] Thread 0 exiting notify_one() | |
| [DEBUG_HANG] Thread 0 is after notify_one() in idle_loop(), searching = 0 | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in idle_loop(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 0 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Entering constructor of thread 0, called by ThreadPool::set (case 2)... | |
| [DEBUG_HANG] Constructor of thread 0 is calling wait_for_search_finished()... | |
| [DEBUG_HANG] Thread 0 is entering wait_for_search_finished(), called by constructor | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 0 exiting wait() | |
| [DEBUG_HANG] Thread 0 is after cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 is existing wait_for_search_finished(), called by constructor | |
| [DEBUG_HANG] Constructor of thread 0 is after the call of wait_for_search_finished()... | |
| [DEBUG_HANG] Exiting constructor of thread 0, called by ThreadPool::set (case 2)... | |
| [DEBUG_HANG] Thread 0 is entering wait_for_search_finished(), called by TranspositionTable::resize | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 0 exiting wait() | |
| [DEBUG_HANG] Thread 0 is after cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 is existing wait_for_search_finished(), called by TranspositionTable::resize | |
| [DEBUG_HANG] exiting ThreadPool::set with requested = 1 | |
| [DEBUG_HANG] entering Search::clear... | |
| [DEBUG_HANG] Search::clear is calling wait_for_search_finished() for main thread... | |
| [DEBUG_HANG] Thread 0 is entering wait_for_search_finished(), called by Search::clear | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 0 exiting wait() | |
| [DEBUG_HANG] Thread 0 is after cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 is existing wait_for_search_finished(), called by Search::clear | |
| [DEBUG_HANG] Search::clear is after wait_for_search_finished() for main thread... | |
| [DEBUG_HANG] exiting Search::clear... | |
| [DEBUG_HANG] Thread 999999 is entering idle_loop()... | |
| [DEBUG_HANG] Thread 999999 is calling notify_one() in idle_loop(), searching = 0 | |
| [DEBUG_HANG] Thread 999999 entering notify_one() | |
| [DEBUG_HANG] Thread 999999 exiting notify_one() | |
| [DEBUG_HANG] Thread 999999 is after notify_one() in idle_loop(), searching = 0 | |
| [DEBUG_HANG] Thread 999999 is calling cv.wait() in idle_loop(), searching = 0 | |
| [DEBUG_HANG] Thread 999999 entering wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Entering constructor of thread 999999, called by UCI::loop... | |
| [DEBUG_HANG] Constructor of thread 999999 is calling wait_for_search_finished()... | |
| [DEBUG_HANG] Thread 999999 is entering wait_for_search_finished(), called by constructor | |
| [DEBUG_HANG] Thread 999999 is calling cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 999999 entering wait() | |
| [DEBUG_HANG] Thread 999999 exiting wait() | |
| [DEBUG_HANG] Thread 999999 is after cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 999999 is existing wait_for_search_finished(), called by constructor | |
| [DEBUG_HANG] Constructor of thread 999999 is after the call of wait_for_search_finished()... | |
| [DEBUG_HANG] Exiting constructor of thread 999999, called by UCI::loop... | |
| [DEBUG_HANG] Thread 0 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 0 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 0 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 0 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| bench | |
| [DEBUG_HANG] entering ThreadPool::set with requested = 1 and size = 1 | |
| [DEBUG_HANG] ThreadPool::set has size() >0 and is calling wait_for_search_finished() for the main thread... | |
| [DEBUG_HANG] Thread 0 is entering wait_for_search_finished(), called by ThreadPool::set (case 1) | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 0 exiting wait() | |
| [DEBUG_HANG] Thread 0 is after cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 is existing wait_for_search_finished(), called by ThreadPool::set (case 1) | |
| [DEBUG_HANG] ThreadPool::set has size() > 0 and is after the call to wait_for_search_finished() for the main thread... | |
| [DEBUG_HANG] Entering destructor of thread 0... | |
| [DEBUG_HANG] Destructor of thread 0 is raising the exit flag... | |
| [DEBUG_HANG] Thread 0 is calling notify_one() in start_searching(), searching = 1 | |
| [DEBUG_HANG] Thread 0 entering notify_one() | |
| [DEBUG_HANG] Thread 0 exiting notify_one() | |
| [DEBUG_HANG] Thread 0 is after notify_one() in start_searching(), searching = 1 | |
| [DEBUG_HANG] Thread 0 exiting wait() | |
| [DEBUG_HANG] Thread 0 is after cv.wait() in idle_loop(), searching = 1 | |
| [DEBUG_HANG] Thread 0 exiting idle_loop() because exit flag is true... | |
| [DEBUG_HANG] Exiting destructor of thread 0... | |
| [DEBUG_HANG] ThreadPool::set has requested > 0 and is constructing the main thread... | |
| [DEBUG_HANG] Thread 0 is entering idle_loop()... | |
| [DEBUG_HANG] Thread 0 is calling notify_one() in idle_loop(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering notify_one() | |
| [DEBUG_HANG] Thread 0 exiting notify_one() | |
| [DEBUG_HANG] Thread 0 is after notify_one() in idle_loop(), searching = 0 | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in idle_loop(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 0 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Entering constructor of thread 0, called by ThreadPool::set (case 2)... | |
| [DEBUG_HANG] Constructor of thread 0 is calling wait_for_search_finished()... | |
| [DEBUG_HANG] Thread 0 is entering wait_for_search_finished(), called by constructor | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 0 exiting wait() | |
| [DEBUG_HANG] Thread 0 is after cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 is existing wait_for_search_finished(), called by constructor | |
| [DEBUG_HANG] Constructor of thread 0 is after the call of wait_for_search_finished()... | |
| [DEBUG_HANG] Exiting constructor of thread 0, called by ThreadPool::set (case 2)... | |
| [DEBUG_HANG] Thread 0 is entering wait_for_search_finished(), called by TranspositionTable::resize | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 0 exiting wait() | |
| [DEBUG_HANG] Thread 0 is after cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 is existing wait_for_search_finished(), called by TranspositionTable::resize | |
| [DEBUG_HANG] exiting ThreadPool::set with requested = 1 | |
| [DEBUG_HANG] Thread 0 is entering wait_for_search_finished(), called by TranspositionTable::resize | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 0 exiting wait() | |
| [DEBUG_HANG] Thread 0 is after cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 is existing wait_for_search_finished(), called by TranspositionTable::resize | |
| [DEBUG_HANG] entering Search::clear... | |
| [DEBUG_HANG] Search::clear is calling wait_for_search_finished() for main thread... | |
| [DEBUG_HANG] Thread 0 is entering wait_for_search_finished(), called by Search::clear | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 0 exiting wait() | |
| [DEBUG_HANG] Thread 0 is after cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 is existing wait_for_search_finished(), called by Search::clear | |
| [DEBUG_HANG] Search::clear is after wait_for_search_finished() for main thread... | |
| [DEBUG_HANG] exiting Search::clear... | |
| Position: 1/42 | |
| [DEBUG_HANG] ThreadPool::start_thinking is calling wait_for_search_finished() for the main thread... | |
| [DEBUG_HANG] Thread 0 is entering wait_for_search_finished(), called by ThreadPool::start_thinking | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 0 exiting wait() | |
| [DEBUG_HANG] Thread 0 is after cv.wait() in wait_for_search_finished(), searching = 0 | |
| [DEBUG_HANG] Thread 0 is existing wait_for_search_finished(), called by ThreadPool::start_thinking | |
| [DEBUG_HANG] ThreadPool::start_thinking is calling wait_for_search_finished() for the main thread... | |
| [DEBUG_HANG] Thread 0 is calling notify_one() in start_searching(), searching = 1 | |
| [DEBUG_HANG] Thread 0 entering notify_one() | |
| [DEBUG_HANG] Thread 0 exiting notify_one() | |
| [DEBUG_HANG] Thread 0 is after notify_one() in start_searching(), searching = 1 | |
| [DEBUG_HANG] Thread 0 is entering wait_for_search_finished(), called by bench() | |
| [DEBUG_HANG] Thread 0 is calling cv.wait() in wait_for_search_finished(), searching = 1 | |
| [DEBUG_HANG] Thread 0 entering wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| stop | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| quit | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| [DEBUG_HANG] Thread 999999 will sleep for 1000ms in wait() | |
| ^C | |
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