$ ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer-3.4 ASAN_OPTIONS=symbolize=0 ./qtcreator QTextBrowser: No document for about:blank /home/ezust/bin/qtcreator: line 5: 26357 Segmentation fault (core dumped) ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer-3.4 ASAN_OPTIONS=symbolize=0 ./qtcreator [1]+ Exit 139 qtcreator $ dir total 2391044 0 asan.log.txt 21308 core-no-qmldesigner.gz 1376 qtcreator* 404 qtpromaker* 624 buildoutputparser* 1664 cpaster* 2040 qtcreator_crash_handler* 2240 sdktool* 2307044 core 36 Makefile 24 qtcreator_process_stub* 40960 core.gz 13320 qmlpuppet* 4 qtcreator.sh* $ gdb qtcreator core GNU gdb (GDB) 7.6.1-ubuntu Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /home/ezust/Trolltech/build-qtcreator-Qt5_3Alpha-Debug/bin/qtcreator...done. [New LWP 26357] [New LWP 27143] [New LWP 26362] [New LWP 27348] [New LWP 26665] [New LWP 26359] [New LWP 26358] warning: Can't read pathname for load map: Input/output error. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". where Core was generated by `./qtcreator'. Program terminated with signal 11, Segmentation fault. #0 0x00007fbcf2c8c776 in QCoreApplication::notifyInternal (this=0x7fff23df1158, receiver=0x2f99160, event=0x7fff23df0360) at kernel/qcoreapplication.cpp:935 935 QThreadData *threadData = d->threadData; (gdb) where #0 0x00007fbcf2c8c776 in QCoreApplication::notifyInternal (this=0x7fff23df1158, receiver=0x2f99160, event=0x7fff23df0360) at kernel/qcoreapplication.cpp:935 #1 0x00007fbcf2c9043d in QCoreApplication::sendEvent (receiver=0x2f99160, event=0x7fff23df0360) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:237 #2 0x00007fbcf2d02982 in QTimerInfoList::activateTimers (this=0xc6d470) at kernel/qtimerinfo_unix.cpp:643 #3 0x00007fbcf2d03c96 in timerSourceDispatch (source=0xc6d410) at kernel/qeventdispatcher_glib.cpp:185 #4 0x00007fbcf04cf3b6 in g_main_dispatch (context=0x7fbce4001740) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3065 #5 g_main_context_dispatch (context=context@entry=0x7fbce4001740) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3641 #6 0x00007fbcf04cf708 in g_main_context_iterate (context=context@entry=0x7fbce4001740, block=block@entry=1, dispatch=dispatch@entry=1, self=) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3712 #7 0x00007fbcf04cf7ac in g_main_context_iteration (context=0x7fbce4001740, may_block=1) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3773 #8 0x00007fbcf2d04631 in QEventDispatcherGlib::processEvents (this=0xc6b8a0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #9 0x00007fbcec37e7b8 in QPAEventDispatcherGlib::processEvents (this=0xc6b8a0, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:123 #10 0x00007fbcf2c89478 in QEventLoop::processEvents (this=0x7fff23df0630, flags=...) at kernel/qeventloop.cpp:136 #11 0x00007fbcf2c89743 in QEventLoop::exec (this=0x7fff23df0630, flags=...) at kernel/qeventloop.cpp:212 #12 0x00007fbcf2c8ce96 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1190 #13 0x00007fbcf327e1ec in QGuiApplication::exec () at kernel/qguiapplication.cpp:1433 #14 0x00007fbcf42bbc79 in QApplication::exec () at kernel/qapplication.cpp:2735 #15 0x000000000040f2fe in main (argc=1, argv=0x7fff23df12b8) at /home/ezust/Trolltech/qt-creator/src/app/main.cpp:533 (gdb)