Bug 240568

Application: kdevelop (4.0.60)
KDE Platform Version: 4.4.3 (KDE 4.4.3) (Compiled from sources)
Qt Version: 4.6.2
Operating System: Linux 2.6.33.5-112.fc13.x86_64 x86_64
Distribution: "Fedora release 13 (Goddard)"

-- Information about the crash:
Open cmake project, wait for project load to kdevelop, press F8.

The crash can be reproduced some of the time.

 -- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fbe96ac1820 (LWP 7469))]

Thread 8 (Thread 0x7fbe8bc54710 (LWP 7477)):
#0  0x00000037ef20b729 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000344fe717f2 in wait (this=<value optimized out>, mutex=0x2073970, time=200000) at thread/qwaitcondition_unix.cpp:85
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2073970, time=200000) at thread/qwaitcondition_unix.cpp:159
#3  0x00007fbe974495be in KDevelop::DUChainPrivate::CleanupThread::run (this=0x2073950) at /home/maxim/src/KDE4/all-for-kdevelop/kdevplatform/language/duchain/duchain.cpp:286
#4  0x000000344fe70995 in QThreadPrivate::start (arg=0x2073950) at thread/qthread_unix.cpp:248
#5  0x00000037ef207761 in start_thread () from /lib64/libpthread.so.0
#6  0x00000037ee6e150d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fbe76c84710 (LWP 7606)):
#0  operator!= (s=0x7fbe70002000, timeout=0x7fbe76c83b9c) at ../../src/corelib/thread/qbasicatomic.h:75
#1  postEventSourcePrepare (s=0x7fbe70002000, timeout=0x7fbe76c83b9c) at kernel/qeventdispatcher_glib.cpp:264
#2  0x00000037f063f271 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#3  0x00000037f063f6b8 in ?? () from /lib64/libglib-2.0.so.0
#4  0x00000037f063fc9c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x000000344ff7d656 in QEventDispatcherGlib::processEvents (this=0x7fbe70002230, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#6  0x000000344ff56722 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x000000344ff569ec in QEventLoop::exec (this=0x7fbe76c83d30, flags=...) at kernel/qeventloop.cpp:201
#8  0x000000344fe6e8c9 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#9  0x000000344fe70995 in QThreadPrivate::start (arg=0x3a9d2b0) at thread/qthread_unix.cpp:248
#10 0x00000037ef207761 in start_thread () from /lib64/libpthread.so.0
#11 0x00000037ee6e150d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fbe76283710 (LWP 7607)):
#0  0xffffffffff60013b in ?? ()
#1  0x00007fbe76282a20 in ?? ()
#2  0x00007fffc6fad952 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 5 (Thread 0x7fbe6e018710 (LWP 7609)):
#0  0x00000037ef20b729 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000344fe70305 in thread_sleep (ti=0x7fbe6e017cf0) at thread/qthread_unix.cpp:398
#2  0x000000344fe70470 in QThread::msleep (msecs=<value optimized out>) at thread/qthread_unix.cpp:424
#3  0x00007fbe6ef45e41 in UIBlockTester::UIBlockTesterThread::run (this=0x3aac240) at /home/maxim/src/KDE4/all-for-kdevelop/kdevelop/languages/cpp/cpplanguagesupport.cpp:678
#4  0x000000344fe70995 in QThreadPrivate::start (arg=0x3aac240) at thread/qthread_unix.cpp:248
#5  0x00000037ef207761 in start_thread () from /lib64/libpthread.so.0
#6  0x00000037ee6e150d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fbe67fff710 (LWP 7658)):
#0  0x00000037ef20b3bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000345692a096 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x3456c03f60) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#2  0x000000345692a0d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x3456c1202c) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#3  0x00000037ef207761 in start_thread () from /lib64/libpthread.so.0
#4  0x00000037ee6e150d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fbe671e2710 (LWP 7720)):
#0  0x00000037ef20b3bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000344fe7188b in wait (this=<value optimized out>, mutex=0x1efc050, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1efc050, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x0000003634609f96 in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x000000363460c4bb in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x000000363460ae7f in ?? () from /usr/lib64/libthreadweaver.so.4
#6  0x000000363460b368 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#7  0x000000344fe70995 in QThreadPrivate::start (arg=0x507aaa0) at thread/qthread_unix.cpp:248
#8  0x00000037ef207761 in start_thread () from /lib64/libpthread.so.0
#9  0x00000037ee6e150d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fbe667e1710 (LWP 7721)):
#0  0x00000037ef20b3bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000344fe7188b in wait (this=<value optimized out>, mutex=0x1efc050, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1efc050, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x0000003634609f96 in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x000000363460c4bb in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x000000363460c4d4 in ?? () from /usr/lib64/libthreadweaver.so.4
#6  0x000000363460ae7f in ?? () from /usr/lib64/libthreadweaver.so.4
#7  0x000000363460b368 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#8  0x000000344fe70995 in QThreadPrivate::start (arg=0x5365600) at thread/qthread_unix.cpp:248
#9  0x00000037ef207761 in start_thread () from /lib64/libpthread.so.0
#10 0x00000037ee6e150d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fbe96ac1820 (LWP 7469)):
[KCrash Handler]
#5  QList (this=0x0) at /usr/include/QtCore/qlist.h:114
#6  QStringList (this=0x0) at /usr/include/QtCore/qstringlist.h:71
#7  KDevelop::IPlugin::extensions (this=0x0) at /home/maxim/src/KDE4/all-for-kdevelop/kdevplatform/interfaces/iplugin.cpp:155
#8  0x00007fbe8a78826b in extension<ICMakeBuilder> (this=<value optimized out>) at /home/maxim/src/KDE4/all-for-kdevelop/build.rel/install/include/kdevplatform/interfaces/iplugin.h:170
#9  CMakeManager::builder (this=<value optimized out>) at /home/maxim/src/KDE4/all-for-kdevelop/kdevelop/projectmanagers/cmake/cmakemanager.cpp:691
#10 0x00007fbe97806aa0 in KDevelop::BuilderJobPrivate::addJob (this=0x5fcf860, t=<value optimized out>, item=0x7fbe7dcbde30)
    at /home/maxim/src/KDE4/all-for-kdevelop/kdevplatform/project/builderjob.cpp:70
#11 0x00007fbe74e10ed9 in BuildItemBuilderJob::BuildItemBuilderJob (this=0x7396c90, t=KDevelop::BuilderJob::Build, items=<value optimized out>)
    at /home/maxim/src/KDE4/all-for-kdevelop/kdevplatform/plugins/projectmanagerview/builditembuilderjob.cpp:35
#12 0x00007fbe74e05c98 in ProjectManagerViewPlugin::runBuilderJob (this=<value optimized out>, t=KDevelop::BuilderJob::Build)
    at /home/maxim/src/KDE4/all-for-kdevelop/kdevplatform/plugins/projectmanagerview/projectmanagerviewplugin.cpp:350
#13 0x00007fbe74e085ec in ProjectManagerViewPlugin::qt_metacall (this=0x3124f60, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc6f98be0)
    at /home/maxim/src/KDE4/all-for-kdevelop/build.rel/kdevplatform/plugins/projectmanagerview/projectmanagerviewplugin.moc:109
#14 0x000000344ff6a81f in QMetaObject::activate (sender=0x31023c0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffc6f98be0) at kernel/qobject.cpp:3293
#15 0x0000003629da5a92 in QAction::triggered (this=<value optimized out>, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#16 0x0000003629da71cb in QAction::activate (this=0x31023c0, event=<value optimized out>) at kernel/qaction.cpp:1255
#17 0x0000003629da8287 in QAction::event (this=<value optimized out>, e=<value optimized out>) at kernel/qaction.cpp:1181
#18 0x000000362b54bdad in KAction::event(QEvent*) () from /usr/lib64/libkdeui.so.5
#19 0x0000003629daaa0c in QApplicationPrivate::notify_helper (this=0x1b9cd60, receiver=0x31023c0, e=0x7fffc6f99250) at kernel/qapplication.cpp:4304
#20 0x0000003629db09cb in QApplication::notify (this=<value optimized out>, receiver=0x31023c0, e=0x7fffc6f99250) at kernel/qapplication.cpp:4187
#21 0x000000362b606da6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#22 0x000000344ff57cdc in QCoreApplication::notifyInternal (this=0x7fffc6f9a980, receiver=0x31023c0, event=0x7fffc6f99250) at kernel/qcoreapplication.cpp:704
#23 0x0000003629dddaf6 in sendEvent (this=<value optimized out>, e=0x7fffc6f99850) at ../../src/corelib/kernel/qcoreapplication.h:215
#24 QShortcutMap::dispatchEvent (this=<value optimized out>, e=0x7fffc6f99850) at kernel/qshortcutmap.cpp:879
#25 0x0000003629ddf9a7 in QShortcutMap::tryShortcutEvent (this=0x1b9ce88, o=<value optimized out>, e=0x7fffc6f99850) at kernel/qshortcutmap.cpp:364
#26 0x0000003629db2503 in QApplication::notify (this=0x7fffc6f9a980, receiver=0x4a573c0, e=0x7fffc6f99850) at kernel/qapplication.cpp:3750
#27 0x000000362b606da6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#28 0x000000344ff57cdc in QCoreApplication::notifyInternal (this=0x7fffc6f9a980, receiver=0x4a573c0, event=0x7fffc6f99850) at kernel/qcoreapplication.cpp:704
#29 0x0000003629e449ba in QKeyMapper::sendKeyEvent (keyWidget=0x4a573c0, grab=<value optimized out>, type=QEvent::KeyPress, code=16777271, modifiers=<value optimized out>, text=..., autorepeat=
    false, count=1, nativeScanCode=74, nativeVirtualKey=65477, nativeModifiers=0) at kernel/qkeymapper_x11.cpp:1861
#30 0x0000003629e46df0 in QKeyMapperPrivate::translateKeyEvent (this=<value optimized out>, keyWidget=0x4a573c0, event=<value optimized out>, grab=false) at kernel/qkeymapper_x11.cpp:1831
#31 0x0000003629e20e84 in QApplication::x11ProcessEvent (this=0x7fffc6f9a980, event=0x7fffc6f9a420) at kernel/qapplication_x11.cpp:3399
#32 0x0000003629e49e02 in x11EventSourceDispatch (s=0x1ba0a30, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0x00000037f063bd02 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#34 0x00000037f063fae8 in ?? () from /lib64/libglib-2.0.so.0
#35 0x00000037f063fc9c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#36 0x000000344ff7d603 in QEventDispatcherGlib::processEvents (this=0x1b6d7c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#37 0x0000003629e49ace in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x000000344ff56722 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#39 0x000000344ff569ec in QEventLoop::exec (this=0x7fffc6f9a750, flags=...) at kernel/qeventloop.cpp:201
#40 0x000000344ff58cd9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#41 0x0000000000408ba5 in main (argc=1, argv=0x7fff00000000) at /home/maxim/src/KDE4/all-for-kdevelop/kdevelop/app/main.cpp:378

Reported using DrKonqi