Application that crashed: kdevelop
Version of the application: 3.9.97 (using KDevPlatform 0.9.97)
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-15-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
when starting kdevelop i get a crash.. i think it worked the first time and i loaded a project then had a crash when i went to build or debug it.  

i tried removeing folder (.kdevduchain) from my user home but no success

 -- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f048445b750 (LWP 6120))]

Thread 2 (Thread 0x7f04715c2910 (LWP 6121)):
#0  0x00007f047baf782d in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f04810f3462 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007f047dc1e8ee in KDevelop::DUChainPrivate::CleanupThread::run (this=0x2107860) at /home/steve/src/kdevplatform/language/duchain/duchain.cpp:280
#3  0x00007f04810f2445 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f047baf2a04 in start_thread () from /lib/libpthread.so.0
#5  0x00007f047f84d7bd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f048445b750 (LWP 6120)):
[KCrash Handler]
#5  0x00007f047f7e86d9 in free () from /lib/libc.so.6
#6  0x00007f048113567c in QString::free(QString::Data*) () from /usr/lib/libQtCore.so.4
#7  0x00007f04839768da in ~QString (this=<value optimized out>, index=<value optimized out>, role=<value optimized out>) at /usr/include/qt4/QtCore/qstring.h:866
#8  ProvidersModel::data (this=<value optimized out>, index=<value optimized out>, role=<value optimized out>) at /home/steve/src/kdevplatform/shell/documentationview.cpp:51
#9  0x00007f04807a365c in ?? () from /usr/lib/libQtGui.so.4
#10 0x00007f04807a419a in ?? () from /usr/lib/libQtGui.so.4
#11 0x00007f04807a60fe in ?? () from /usr/lib/libQtGui.so.4
#12 0x00007f04807a623c in QComboBox::setCurrentIndex(int) () from /usr/lib/libQtGui.so.4
#13 0x00007f04807a898a in QComboBox::setModel(QAbstractItemModel*) () from /usr/lib/libQtGui.so.4
#14 0x00007f04839759f7 in DocumentationView (this=0x33068b0, parent=<value optimized out>) at /home/steve/src/kdevplatform/shell/documentationview.cpp:97
#15 0x00007f0483974ac9 in DocumentationViewFactory::create (this=<value optimized out>, parent=0x32f56b0) at /home/steve/src/kdevplatform/shell/documentationcontroller.cpp:47
#16 0x00007f047d9465b6 in Sublime::View::widget (this=0x32f5da0, parent=0x7f04811f7fe0) at /home/steve/src/kdevplatform/sublime/view.cpp:82
#17 0x00007f047d94c686 in Sublime::IdealMainWidget::addView (this=0x2b67cc0, area=<value optimized out>, view=0x32f5da0) at /home/steve/src/kdevplatform/sublime/ideal.cpp:584
#18 0x00007f047d93e535 in Sublime::MainWindowPrivate::IdealToolViewCreator::operator() (this=0x7fffa044b270, view=<value optimized out>, position=2688855296)
    at /home/steve/src/kdevplatform/sublime/mainwindow_p.cpp:190
#19 0x00007f047d94585d in Sublime::Area::walkToolViews<Sublime::MainWindowPrivate::IdealToolViewCreator> (this=0x1e94d40, op=..., positions=) at /home/steve/src/kdevplatform/sublime/areawalkers.h:59
#20 0x00007f047d93e94d in Sublime::MainWindowPrivate::toolViewAdded (this=<value optimized out>, position=<value optimized out>) at /home/steve/src/kdevplatform/sublime/mainwindow_p.cpp:524
#21 0x00007f047d93a713 in Sublime::MainWindow::qt_metacall (this=0x1e28b50, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa044b3f0)
    at /home/steve/src/kdevplatform/build/sublime/mainwindow.moc:114
#22 0x00007f0483923850 in KDevelop::MainWindow::qt_metacall (this=0x7fffa044ad10, _c=2166325216, _id=-1606112000, _a=0xfffffffffff8b8e4) at /home/steve/src/kdevplatform/build/shell/mainwindow.moc:85
#23 0x00007f04811edddc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#24 0x00007f047d92c140 in Sublime::Area::toolViewAdded (this=0x7fffa044ad10, _t1=0x32f5da0, _t2=Sublime::Right) at /home/steve/src/kdevplatform/build/sublime/area.moc:130
#25 0x00007f047d92d6f9 in Sublime::Area::addToolView (this=<value optimized out>, view=0x32f5da0, defaultPosition=<value optimized out>) at /home/steve/src/kdevplatform/sublime/area.cpp:227
#26 0x00007f048393648a in KDevelop::UiController::addToolViewToArea (this=0x1e4ce90, factory=0x2073dd0, doc=<value optimized out>, area=0x1e94d40)
    at /home/steve/src/kdevplatform/shell/uicontroller.cpp:575
#27 0x00007f04839399a5 in KDevelop::UiController::addToolView (this=0x1e4ce90, name=..., factory=0x2073dd0) at /home/steve/src/kdevplatform/shell/uicontroller.cpp:305
#28 0x00007f04839731cf in KDevelop::DocumentationController::initialize (this=<value optimized out>) at /home/steve/src/kdevplatform/shell/documentationcontroller.cpp:67
#29 0x00007f04839358d1 in KDevelop::CorePrivate::initialize (this=0x1d98b40, mode=<value optimized out>) at /home/steve/src/kdevplatform/shell/core.cpp:191
#30 0x00000000004058f4 in main (argc=<value optimized out>, argv=<value optimized out>) at /home/steve/src/kdevelop/app/main.cpp:148

Reported using DrKonqi