执行结束时QT QTest分段故障
Qt QTest segmentation fault at end of execution
我有一个小的测试程序,可以通过我编写的库与服务器后端进行对话。该测试使用QTest框架,并贯穿大量测试用例。在我的所有测试运行后,最新版本的测试程序已开始发出细分故障。输出类似于:
********* Start testing of TestSequence *********
Config: Using QtTest library 5.6.1, Qt 5.6.1 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 4.9.1 20140922 (Red Hat 4.9.1-10))
...
Totals: 28 passed, 0 failed, 0 skipped, 0 blacklisted
********* Finished testing of TestSequence *********
RUN FINISHED; Segmentation fault; core dumped; real time: 26s; user: 40ms; system: 290ms
我可以从segfault获得堆栈回溯:
#0 0x00007fffe9b3a61e in QDBusMetaType::typeToSignature(int) () from /home/pete/Qt/5.6/gcc_64/plugins/bearer/../../lib/libQt5DBus.so.5
No symbol table info available.
#1 0x00007fffe9b31a9e in qDBusParametersForMethod(QList<QByteArray> const&, QVector<int>&, QString&) () from /home/pete/Qt/5.6/gcc_64/plugins/bearer/../../lib/libQt5DBus.so.5
No symbol table info available.
#2 0x00007fffe9b31fc9 in ?? () from /home/pete/Qt/5.6/gcc_64/plugins/bearer/../../lib/libQt5DBus.so.5
No symbol table info available.
#3 0x00007fffe9aff081 in ?? () from /home/pete/Qt/5.6/gcc_64/plugins/bearer/../../lib/libQt5DBus.so.5
No symbol table info available.
#4 0x00007fffe9aff8bf in ?? () from /home/pete/Qt/5.6/gcc_64/plugins/bearer/../../lib/libQt5DBus.so.5
No symbol table info available.
#5 0x00007fffe9b005c6 in ?? () from /home/pete/Qt/5.6/gcc_64/plugins/bearer/../../lib/libQt5DBus.so.5
No symbol table info available.
#6 0x00007fffe9b115af in ?? () from /home/pete/Qt/5.6/gcc_64/plugins/bearer/../../lib/libQt5DBus.so.5
No symbol table info available.
#7 0x00007ffff626cf7a in QObject::event(QEvent*) () from /home/pete/Qt/5.6/gcc_64/lib/libQt5Core.so.5
No symbol table info available.
#8 0x00007ffff6242b6b in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /home/pete/Qt/5.6/gcc_64/lib/libQt5Core.so.5
No symbol table info available.
#9 0x00007ffff6245373 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /home/pete/Qt/5.6/gcc_64/lib/libQt5Core.so.5
No symbol table info available.
#10 0x00007ffff6291d83 in ?? () from /home/pete/Qt/5.6/gcc_64/lib/libQt5Core.so.5
No symbol table info available.
#11 0x00007ffff45f6e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007ffff45f7048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#13 0x00007ffff45f70ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007ffff6292177 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/pete/Qt/5.6/gcc_64/lib/libQt5Core.so.5
No symbol table info available.
#15 0x00007ffff6240bca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/pete/Qt/5.6/gcc_64/lib/libQt5Core.so.5
No symbol table info available.
#16 0x00007ffff607ae4c in QThread::exec() () from /home/pete/Qt/5.6/gcc_64/lib/libQt5Core.so.5
No symbol table info available.
#17 0x00007ffff607f769 in ?? () from /home/pete/Qt/5.6/gcc_64/lib/libQt5Core.so.5
No symbol table info available.
#18 0x00007ffff4f19182 in start_thread (arg=0x7fffea796700) at pthread_create.c:312
__res = <optimised out>
pd = 0x7fffea796700
now = <optimised out>
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737127212800, -4443015154407963459, 1, 0, 140737127213504, 140737127212800, 4443057989164074173, 4443034828799739069}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
not_first_call = <optimised out>
pagesize_m1 = <optimised out>
sp = <optimised out>
freesize = <optimised out>
__PRETTY_FUNCTION__ = "start_thread"
#19 0x00007ffff57f047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
这看起来像是我的代码不在我的代码之外,但是大概我所做的事情造成了!人群有什么见识吗?还是我应该向QT报告一个错误?
您的问题似乎与影响QT 5.6的错误有关。
如评论的踪迹所述,应该在QT 5.7中解决。您也可以应用一些补丁以在5.6版上解决。
讨论的日期为6/2016,持续到9月底。
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