Python 如何调试PyQt崩溃？

我正在开发一个国际象棋程序，其中GUI通过与引擎通信，目前使用OSX和PyCharm。我正在使用QProcess进行通信

我的应用程序崩溃了，但我无法确定地重现这些崩溃。Python输出只提供了

Process finished with exit code 134

OSX上的崩溃报告给出了这个详细的报告，但老实说，我完全不知道如何进一步。我怀疑线程有一些问题，但是如何调试呢

Process:         Python [527]
Path:            /usr/local/Cellar/python3/3.4.1/Frameworks/Python.framework/Versions/3.4/Resources/Python.app/Contents/MacOS/Python
Identifier:      org.python.python
Version:         3.4.1 (3.4.1)
Code Type:       X86-64 (Native)
Parent Process:  pycharm [360]
Responsible:     pycharm [360]
User ID:         501

Date/Time:       2015-02-16 10:40:09.497 +0100
OS Version:      Mac OS X 10.9.5 (13F34)
Report Version:  11
Anonymous UUID:  XXXXXX


Crashed Thread:  4  Uci_engine

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000

Application Specific Information:
abort() called
*** error for object 0x7fb104975000: pointer being realloc'd was not allocated


Thread 0:: Dispatch queue: com.apple.main-thread
0   QtCore                          0x0000000109475d2e QByteArray::resize(int) + 6
1   QtCore                          0x00000001094ec5e9 QRingBuffer::clear() + 123
2   QtCore                          0x00000001094f58ab QProcess::readData(char*, long long) + 257
3   QtCore.so                       0x000000010a081784 sipQProcess::readData(char*, long long) + 106
4   QtCore                          0x00000001094f0648 QIODevice::read(char*, long long) + 828
5   QtCore                          0x00000001094f0a92 QIODevice::readAll() + 398
6   QtCore                          0x00000001094f59a6 QProcess::readAllStandardOutput() + 48
7   QtCore.so                       0x000000010a082b78 meth_QProcess_readAllStandardOutput(_object*, _object*) + 120
8   org.python.python               0x0000000107cbad5c PyEval_EvalFrameEx + 19156
9   org.python.python               0x0000000107cb60d4 PyEval_EvalCodeEx + 1628
10  org.python.python               0x0000000107c490b8 function_call + 360
11  org.python.python               0x0000000107c2be11 PyObject_Call + 103
12  org.python.python               0x0000000107c3a8a4 method_call + 136
13  org.python.python               0x0000000107c2be11 PyObject_Call + 103
14  org.python.python               0x0000000107cbdb30 PyEval_CallObjectWithKeywords + 93
15  sip.so                          0x00000001097bfd68 sip_api_invoke_slot_ex + 435
16  QtCore.so                       0x000000010a0f5cb0 PyQtProxy::invokeSlot(qpycore_slot const&, void**, int) + 162
17  QtCore.so                       0x000000010a0f5b7c PyQtProxy::unislot(void**) + 184
18  QtCore.so                       0x000000010a0f5ab3 PyQtProxy::qt_metacall(QMetaObject::Call, int, void**) + 111
19  QtCore                          0x000000010956222d QObject::event(QEvent*) + 637
20  QtGui                           0x0000000108985ed5 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 195
21  QtGui                           0x0000000108987419 QApplication::notify(QObject*, QEvent*) + 889
22  QtGui.so                        0x000000010811a29a sipQApplication::notify(QObject*, QEvent*) + 122
23  QtCore                          0x0000000109551bb8 QCoreApplication::notifyInternal(QObject*, QEvent*) + 118
24  QtCore                          0x000000010955259c QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 716
25  com.apple.CoreFoundation        0x00007fff904985b1 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
26  com.apple.CoreFoundation        0x00007fff90489c62 __CFRunLoopDoSources0 + 242
27  com.apple.CoreFoundation        0x00007fff904893ef __CFRunLoopRun + 831
28  com.apple.CoreFoundation        0x00007fff90488e75 CFRunLoopRunSpecific + 309
29  com.apple.HIToolbox             0x00007fff87427a0d RunCurrentEventLoopInMode + 226
30  com.apple.HIToolbox             0x00007fff87427685 ReceiveNextEventCommon + 173
31  com.apple.HIToolbox             0x00007fff874275bc _BlockUntilNextEventMatchingListInModeWithFilter + 65
32  com.apple.AppKit                0x00007fff87e5724e _DPSNextEvent + 1434
33  com.apple.AppKit                0x00007fff87e5689b -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 122
34  com.apple.AppKit                0x00007fff87e4a99c -[NSApplication run] + 553
35  QtGui                           0x0000000108943936 QEventDispatcherMac::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 540
36  QtCore                          0x000000010954f215 QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 77
37  QtCore                          0x000000010954f386 QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 356
38  QtCore                          0x0000000109552009 QCoreApplication::exec() + 199
39  QtGui.so                        0x000000010811b4eb meth_QApplication_exec_(_object*, _object*) + 80
40  org.python.python               0x0000000107cbad5c PyEval_EvalFrameEx + 19156
41  org.python.python               0x0000000107cb60d4 PyEval_EvalCodeEx + 1628
42  org.python.python               0x0000000107cb5a72 PyEval_EvalCode + 63
43  org.python.python               0x0000000107cd9b28 run_mod + 58
44  org.python.python               0x0000000107cd9dc7 PyRun_FileExFlags + 178
45  org.python.python               0x0000000107cd95e7 PyRun_SimpleFileExFlags + 909
46  org.python.python               0x0000000107cec4f7 Py_Main + 3095
47  org.python.python               0x0000000107c19e27 0x107c18000 + 7719
48  libdyld.dylib                   0x00007fff87a165fd start + 1

Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0   libsystem_kernel.dylib          0x00007fff8e18f662 kevent64 + 10
1   libdispatch.dylib               0x00007fff86c6f421 _dispatch_mgr_invoke + 239
2   libdispatch.dylib               0x00007fff86c6f136 _dispatch_mgr_thread + 52

Thread 2:
0   libsystem_kernel.dylib          0x00007fff8e18aa1a mach_msg_trap + 10
1   libsystem_kernel.dylib          0x00007fff8e189d18 mach_msg + 64
2   com.apple.CoreFoundation        0x00007fff90489f15 __CFRunLoopServiceMachPort + 181
3   com.apple.CoreFoundation        0x00007fff90489539 __CFRunLoopRun + 1161
4   com.apple.CoreFoundation        0x00007fff90488e75 CFRunLoopRunSpecific + 309
5   com.apple.AppKit                0x00007fff87ff705e _NSEventThread + 144
6   libsystem_pthread.dylib         0x00007fff8c7a2899 _pthread_body + 138
7   libsystem_pthread.dylib         0x00007fff8c7a272a _pthread_start + 137
8   libsystem_pthread.dylib         0x00007fff8c7a6fc9 thread_start + 13

Thread 3:: QProcessManager
0   libsystem_kernel.dylib          0x00007fff8e18e9aa __select + 10
1   QtCore                          0x000000010952cf86 QProcessManager::run() + 132
2   QtCore                          0x00000001094735ba QThreadPrivate::start(void*) + 386
3   libsystem_pthread.dylib         0x00007fff8c7a2899 _pthread_body + 138
4   libsystem_pthread.dylib         0x00007fff8c7a272a _pthread_start + 137
5   libsystem_pthread.dylib         0x00007fff8c7a6fc9 thread_start + 13

Thread 4 Crashed:: Uci_engine
0   libsystem_kernel.dylib          0x00007fff8e18e866 __pthread_kill + 10
1   libsystem_pthread.dylib         0x00007fff8c7a335c pthread_kill + 92
2   libsystem_c.dylib               0x00007fff91b34b1a abort + 125
3   libsystem_malloc.dylib          0x00007fff876b5451 realloc + 364
4   QtCore                          0x00000001094762dd QByteArray::realloc(int) + 161
5   QtCore                          0x0000000109475d88 QByteArray::resize(int) + 96
6   QtCore                          0x00000001094ec6c1 QRingBuffer::reserve(int) + 157
7   QtCore                          0x00000001094f41ec QProcessPrivate::_q_canReadStandardOutput() + 76
8   QtCore                          0x00000001094f65ce QProcess::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) + 364
9   QtCore                          0x0000000109565d71 QMetaObject::activate(QObject*, QMetaObject const*, int, void**) + 2037
10  QtCore                          0x00000001095a7b68 QSocketNotifier::activated(int) + 60
11  QtCore                          0x000000010956a421 QSocketNotifier::event(QEvent*) + 383
12  QtGui                           0x0000000108985ed5 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 195
13  QtGui                           0x0000000108987419 QApplication::notify(QObject*, QEvent*) + 889
14  QtGui.so                        0x000000010811a29a sipQApplication::notify(QObject*, QEvent*) + 122
15  QtCore                          0x0000000109551bb8 QCoreApplication::notifyInternal(QObject*, QEvent*) + 118
16  QtCore                          0x0000000109579db7 QEventDispatcherUNIX::activateSocketNotifiers() + 203
17  QtCore                          0x0000000109579b8e QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timeval*) + 1426
18  QtCore                          0x000000010957ae39 QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 341
19  QtCore                          0x000000010954f215 QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 77
20  QtCore                          0x000000010954f386 QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 356
21  QtCore                          0x0000000109471ca5 QThread::exec() + 217
22  QtCore.so                       0x000000010a0c28f3 meth_QThread_exec_(_object*, _object*) + 99
23  org.python.python               0x0000000107cbad5c PyEval_EvalFrameEx + 19156
24  org.python.python               0x0000000107cb60d4 PyEval_EvalCodeEx + 1628
25  org.python.python               0x0000000107c490b8 function_call + 360
26  org.python.python               0x0000000107c2be11 PyObject_Call + 103
27  org.python.python               0x0000000107c3a8a4 method_call + 136
28  org.python.python               0x0000000107c2be11 PyObject_Call + 103
29  org.python.python               0x0000000107cbdb30 PyEval_CallObjectWithKeywords + 93
30  sip.so                          0x00000001097b6559 sip_api_call_method + 214
31  QtCore.so                       0x000000010a002174 sipVH_QtCore_11(PyGILState_STATE, void (*)(_sipSimpleWrapper*, PyGILState_STATE), _sipSimpleWrapper*, _object*) + 47
32  QtCore.so                       0x000000010a0c24fb sipQThread::run() + 79
33  QtCore                          0x00000001094735ba QThreadPrivate::start(void*) + 386
34  libsystem_pthread.dylib         0x00007fff8c7a2899 _pthread_body + 138
35  libsystem_pthread.dylib         0x00007fff8c7a272a _pthread_start + 137
36  libsystem_pthread.dylib         0x00007fff8c7a6fc9 thread_start + 13

Thread 5:
0   libsystem_kernel.dylib          0x00007fff8e18ee6a __workq_kernreturn + 10
1   libsystem_pthread.dylib         0x00007fff8c7a3f08 _pthread_wqthread + 330
2   libsystem_pthread.dylib         0x00007fff8c7a6fb9 start_wqthread + 13

Thread 4 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x000000010a84d000  rcx: 0x000000010a84bd98  rdx: 0x0000000000000000
  rdi: 0x0000000000002f1f  rsi: 0x0000000000000006  rbp: 0x000000010a84bdc0  rsp: 0x000000010a84bd98
   r8: 0x00000000fffffff8   r9: 0x0000000000000000  r10: 0x0000000008000000  r11: 0x0000000000000206
  r12: 0x00007fb104975000  r13: 0x0000000000000004  r14: 0x0000000000000006  r15: 0x0000000107c1e000
  rip: 0x00007fff8e18e866  rfl: 0x0000000000000206  cr2: 0x00007fff784a0408

Logical CPU:     0
Error Code:      0x02000148
Trap Number:     133

Process:Python[527]
路径：/usr/local/ceral/python3/3.4.1/Frameworks/Python.framework/Versions/3.4/Resources/Python.app/Contents/MacOS/Python
标识符：org.python.python
版本：3.4.1（3.4.1）
代码类型：X86-64（本机）
父进程：pycharm[360]
负责人：pycharm[360]
用户ID:501
日期/时间：2015-02-16 10:40:09.497+0100
操作系统版本：Mac OS X 10.9.5（13F34）
报告版本：11
匿名UUID:XXXXXX
崩溃线程：4个Uci_引擎
异常类型：EXC_崩溃（SIGABRT）
异常代码：0x0000000000，0x0000000000000000
特定于应用程序的信息：
调用了abort（）
***对象0x7fb104975000出错：未分配realloc'd指针
线程0:：调度队列：com.apple.main-Thread
0 QtCore 0x0000000109475d2e QByteArray:：调整大小（int）+6
1 QtCore 0x00000001094ec5e9 QRingBuffer:：clear（）+123
2 QtCore 0x00000001094f58ab QProcess:：readData（字符*，长）+257
3 QtCore.so 0x000000010a081784 sipQProcess:：readData（字符*，长）+106
4 QtCore 0x00000001094f0648 QIODevice:：读取（字符*，长）+828
5 QtCore 0x00000001094f0a92 QIODevice:：readAll（）+398
6 QtCore 0x00000001094f59a6 QProcess:：readAllStandardOutput（）+48
7 QtCore.so 0x000000010a082b78 meth_QProcess_readAllStandardOutput（_object*，_object*）+120
8 org.python.python 0x0000000107cbad5c PyEval_EvalFrameEx+19156
9 org.python.python 0x0000000107cb60d4 PyEval_evalcodex+1628
10 org.python.python 0x0000000107c490b8函数调用+360
11 org.python.python 0x0000000107c2be11 PyObject_调用+103
12 org.python.python 0x0000000107c3a8a4方法调用+136
13 org.python.python 0x0000000107c2be11 PyObject_调用+103
14 org.python.python 0x0000000107cbdb30 PyEval_CallObjectWithKeywords+93
15 sip.so 0x00000001097bfd68 sip_api_invoke_slot_ex+435
16 QtCore.so 0x000000010a0f5cb0 PyQtProxy:：invokeSlot（qpycore_slot const&，void**，int）+162
17 QtCore.so 0x000000010a0f5b7c PyQtProxy:：unislot（void**）+184
18 QtCore.so 0x000000010a0f5ab3 PyQtProxy:：qt_metacall（QMetaObject:：Call，int，void**）+111
19 QtCore 0x000000010956222d QObject:：事件（QEvent*）+637
20 QtGui 0x0000000108985ed5 QApplicationPrivate:：notify_helper（QObject*，QEvent*）+195
21 QtGui 0x0000000108987419 QApplication:：notify（QObject*，QEvent*）+889
22 QtGui.so 0x000000010811a29a sipQApplication:：notify（QObject*，QEvent*）+122
23 QtCore 0x0000000109551bb8 QCoreApplication:：notifyInternal（QObject*，QEvent*）+118
24 QtCore 0x000000010955259c QCoreApplicationPrivate:：sendPostedEvents（QObject*，int，QThreadData*）+716
25 com.apple.CoreFoundation 0x00007fff904985b1\uuuu CFRUNLOOP\u正在调用\uu OUT\u以执行功能\uuuu+17
26 com.apple.CoreFoundation 0x00007fff90489c62\uu CFRunLoopDoSources0+242
27 com.apple.CoreFoundation 0x00007fff904893ef _ucfrunlooprun+831
28 com.apple.CoreFoundation 0x00007fff90488e75 CFRunLoopRunSpecific+309
29 com.apple.HIToolbox 0x00007fff87427a0d RunCurrentEventLoopInMode+226
30 com.apple.HIToolbox 0x00007fff87427685 ReceiveNextEventCommon+173
31 com.apple.HIToolbox 0x00007fff874275bc_blockuntinexteventmatchinglistinmodewithfilter+65
32 com.apple.AppKit 0x00007fff87e5724e_dpsnextent+1434
33 com.apple.AppKit 0x00007fff87e5689b-[n应用程序下一个虚拟机任务：untilDate:inMode:dequeue:+122
34 com.apple.AppKit 0x00007fff87e4a99c-[n应用程序运行]+553
35 QtGui 0x0000000108943936 QEventDispatcherMac:：processEvents（QFlags）+540
36 QtCore 0x000000010954f215 QEventLoop:：processEvents（QFlags）+77
37 QtCore 0x000000010954f386 QEventLoop:：exec（QFlags）+356
38 QtCore 0x0000000109552009 QCoreApplication:：exec（）+199
39 QtGui.so 0x000000010811b4eb方法应用程序执行程序（_对象*，_对象*）+80
40 org.python.python 0x0000000107cbad5c PyEval_EvalFrameEx+19156
41 org.python.python 0x0000000107cb60d4 PyEval_evalcodex+1628
42 org.python.python 0x0000000107cb5a72 PyEval_EvalCode+63
43 org.python.python 0x0000000107cd9b28运行模式+58
44 org.python.python 0x0000000107cd9dc7 PyRun_FileExFlags+178
45 org.python.python 0x0000000107cd95e7 PyRun_simplefleexflags+909
46 org.python.python 0x0000000107cec4f7 Py_Main+3095
47 org.python.python 0x0000000107c19e27 0x107c18000+7719
48 libdyld.dylib 0x00007fff87a165fd启动+1
线程1：：调度队列：com.apple.libdispatch-manager
0 libsystem_kernel.dylib 0x00007fff8e18f662 kevent64+10
1 libdispatch.dylib 0x00007fff86c6f421调度管理调用+239
2 libdispatch.dylib 0x00007fff86c6f136调度管理线程+52
线程2：
0库
Thread 4 Crashed:: Uci_engine
0   libsystem_kernel.dylib          0x00007fff8e18e866 __pthread_kill + 10
1   libsystem_pthread.dylib         0x00007fff8c7a335c pthread_kill + 92
2   libsystem_c.dylib               0x00007fff91b34b1a abort + 125
3   libsystem_malloc.dylib          0x00007fff876b5451 realloc + 364
4   QtCore                          0x00000001094762dd QByteArray::realloc(int) + 161