Application: kdevelop (4.0.0 (using KDevPlatform 1.0.0))
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
KDevelop 4.0.0 when File > Open and selecting any file, program quit almost instantly (it's possible to see the file content in a blink). 

The crash can be reproduced every time.

 -- Backtrace:
Application: KDevelop (kdevelop.bin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f1543d19760 (LWP 29541))]

Thread 5 (Thread 0x7f152f5b6710 (LWP 29542)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007f15424c9692 in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x203edb0, time=200000) at thread/qwaitcondition_unix.cpp:85
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x203edb0, time=200000) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f153df5106e in KDevelop::DUChainPrivate::CleanupThread::run (this=0x203ed90) at ../../language/duchain/duchain.cpp:286
#4  0x00007f15424c8775 in QThreadPrivate::start (arg=0x203ed90) at thread/qthread_unix.cpp:248
#5  0x00007f1540f0b9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f154120869d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f1520f10710 (LWP 29548)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f1520f0fae0 in ?? ()
#2  0x00007fffd3dcc852 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0x7f152070f710 (LWP 29549)):
#0  0x00007f1540f0fa2d in __pthread_mutex_unlock_usercnt (mutex=0x257c368) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x257c368) at pthread_mutex_unlock.c:290
#2  0x00007f153b8ec49c in ?? () from /lib/libglib-2.0.so.0
#3  0x00007f153b8ec8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007f15425e6566 in QEventDispatcherGlib::processEvents (this=0x23acc70, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#5  0x00007f15425bb992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007f15425bbd6c in QEventLoop::exec (this=0x7f152070edb0, flags=) at kernel/qeventloop.cpp:201
#7  0x00007f15424c5d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#8  0x00007f154259c178 in QInotifyFileSystemWatcherEngine::run (this=0x211ebe0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f15424c8775 in QThreadPrivate::start (arg=0x211ebe0) at thread/qthread_unix.cpp:248
#10 0x00007f1540f0b9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f154120869d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f151690b710 (LWP 29571)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f15424c972b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1eff640, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1eff640, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f1539388026 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x226e150, th=0x20e83b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f153938a6ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x1eee770, th=0x20e83b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f1539388bff in ThreadWeaver::ThreadRunHelper::run (this=0x7f151690ae00, parent=0x226e150, th=0x20e83b0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f1539389168 in ThreadWeaver::Thread::run (this=0x20e83b0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f15424c8775 in QThreadPrivate::start (arg=0x20e83b0) at thread/qthread_unix.cpp:248
#8  0x00007f1540f0b9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007f154120869d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1543d19760 (LWP 29541)):
[KCrash Handler]
#5  0x000000000060c490 in vtable for __cxxabiv1::__class_type_info ()
#6  0x00007f1514c16ec6 in AutoBracePlugin::addView (this=0x3e0ddc0, view=0x40547d0) at ../../../../kate/plugins/autobrace/autobrace.cpp:64
#7  0x00007f151520e35e in KatePartPluginManager::addView (this=0x40264d0, view=0x40547d0) at ../../kate/utils/katepartpluginmanager.cpp:121
#8  0x00007f151517645a in KateView (this=0x40547d0, doc=0x403c710, parent=<value optimized out>) at ../../kate/view/kateview.cpp:234
#9  0x00007f15150cb3f4 in KateDocument::createView (this=0x403c710, parent=0x3a0a400) at ../../kate/document/katedocument.cpp:340
#10 0x00007f15431eb81e in KDevelop::TextDocument::createViewWidget (this=0x3e7fab0, parent=0x3a0a400) at ../../shell/textdocument.cpp:290
#11 0x00007f15431eb417 in KDevelop::TextView::createWidget (this=0x3ec5580, parent=0x3a0a400) at ../../shell/textdocument.cpp:531
#12 0x00007f153dc73c06 in Sublime::View::widget(QWidget*) () from /usr/lib/libsublime.so.1
#13 0x00007f153dc6dda0 in ?? () from /usr/lib/libsublime.so.1
#14 0x00007f153dc731b8 in Sublime::Area::WalkerMode Sublime::Area::walkViewsInternal<Sublime::MainWindowPrivate::ViewCreator>(Sublime::MainWindowPrivate::ViewCreator&, Sublime::AreaIndex*) ()
   from /usr/lib/libsublime.so.1
#15 0x00007f153dc713b0 in ?? () from /usr/lib/libsublime.so.1
#16 0x00007f153dc68564 in Sublime::MainWindow::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libsublime.so.1
#17 0x00007f15431c3ef0 in KDevelop::MainWindow::qt_metacall (this=0x40547d0, _c=QMetaObject::InvokeMetaMethod, _id=-112, _a=0x13ea0) at ./mainwindow.moc:89
#18 0x00007f15425cfe3f in QMetaObject::activate (sender=0x1faa440, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x13ea0) at kernel/qobject.cpp:3293
#19 0x00007f153dc5a928 in Sublime::Area::viewAdded(Sublime::AreaIndex*, Sublime::View*) () from /usr/lib/libsublime.so.1
#20 0x00007f153dc5b709 in Sublime::Area::addView(Sublime::View*, Sublime::AreaIndex*) () from /usr/lib/libsublime.so.1
#21 0x00007f15431f277b in KDevelop::DocumentControllerPrivate::openDocumentInternal (this=0x22b9160, doc=0x3e7fad0, range=<value optimized out>, activationParams=)
    at ../../shell/documentcontroller.cpp:352
#22 0x00007f15431f2e78 in KDevelop::DocumentControllerPrivate::openDocumentInternal (this=0x22b9160, inputUrl=<value optimized out>, prefName=<value optimized out>, range=<value optimized out>, 
    encoding=<value optimized out>, activationParams=) at ../../shell/documentcontroller.cpp:280
#23 0x00007f15431f3f55 in KDevelop::DocumentControllerPrivate::chooseDocument (this=0x22b9160) at ../../shell/documentcontroller.cpp:127
#24 0x00007f15431f12a1 in KDevelop::DocumentController::qt_metacall (this=0x24528a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd3cc5340) at ./documentcontroller.moc:128
#25 0x00007f15425cfe3f in QMetaObject::activate (sender=0x1ffff10, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x13ea0) at kernel/qobject.cpp:3293
#26 0x00007f1541970032 in QAction::triggered (this=0x40547d0, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#27 0x00007f15419720ab in QAction::activate (this=0x1ffff10, event=<value optimized out>) at kernel/qaction.cpp:1255
#28 0x00007f1541db139d in QMenuPrivate::activateCausedStack (this=<value optimized out>, causedStack=..., action=0x1ffff10, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1011
#29 0x00007f1541db6dda in QMenuPrivate::activateAction (this=0x1fa8620, action=0x1ffff10, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1103
#30 0x00007f1542be0cee in KMenu::mouseReleaseEvent (this=0x237dbc0, e=0x0) at ../../kdeui/widgets/kmenu.cpp:471
#31 0x00007f15419cc582 in QWidget::event (this=0x237dbc0, event=0x7fffd3cc5f90) at kernel/qwidget.cpp:7998
#32 0x00007f1541db8f9b in QMenu::event (this=0x237dbc0, e=0x7fffd3cc5f90) at widgets/qmenu.cpp:2414
#33 0x00007f154197622c in QApplicationPrivate::notify_helper (this=0x157eaf0, receiver=0x237dbc0, e=0x7fffd3cc5f90) at kernel/qapplication.cpp:4300
#34 0x00007f154197cecb in QApplication::notify (this=0x7fffd3cc6db0, receiver=0x237dbc0, e=0x7fffd3cc5f90) at kernel/qapplication.cpp:3865
#35 0x00007f1542b04526 in KApplication::notify (this=0x7fffd3cc6db0, receiver=0x237dbc0, event=0x7fffd3cc5f90) at ../../kdeui/kernel/kapplication.cpp:302
#36 0x00007f15425bd06c in QCoreApplication::notifyInternal (this=0x7fffd3cc6db0, receiver=0x237dbc0, event=0x7fffd3cc5f90) at kernel/qcoreapplication.cpp:704
#37 0x00007f154197c0ae in QCoreApplication::sendEvent (receiver=0x237dbc0, event=0x7fffd3cc5f90, alienWidget=0x0, nativeWidget=0x237dbc0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#38 QApplicationPrivate::sendMouseEvent (receiver=0x237dbc0, event=0x7fffd3cc5f90, alienWidget=0x0, nativeWidget=0x237dbc0, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, 
    spontaneous=true) at kernel/qapplication.cpp:2965
#39 0x00007f15419fc3dd in QETWidget::translateMouseEvent (this=0x237dbc0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4302
#40 0x00007f15419fa8ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffd3cc68b0) at kernel/qapplication_x11.cpp:3501
#41 0x00007f1541a26882 in x11EventSourceDispatch (s=0x19bdb30, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#42 0x00007f153b8e88c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#43 0x00007f153b8ec748 in ?? () from /lib/libglib-2.0.so.0
#44 0x00007f153b8ec8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#45 0x00007f15425e6513 in QEventDispatcherGlib::processEvents (this=0x155fb80, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#46 0x00007f1541a2646e in QGuiEventDispatcherGlib::processEvents (this=0x40547d0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#47 0x00007f15425bb992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#48 0x00007f15425bbd6c in QEventLoop::exec (this=0x7fffd3cc6be0, flags=) at kernel/qeventloop.cpp:201
#49 0x00007f15425bfaab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#50 0x00000000004088cf in _start ()

Reported using DrKonqi