Application that crashed: kdevelop
Version of the application: 3.9.91
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-15-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Just logging into KDE 4.3, automatically restarting kdevelop, which had open files, if that is of importance.

(using KDE 4.3 Crash Reporting Assistant)

 -- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
[Current thread is 0 (LWP 5017)]

Thread 2 (Thread 0x7ffe5838b950 (LWP 5052)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x00007ffe6fe2acf7 in QWaitCondition::wait (this=0x2c16bc8, mutex=0x2c16bd0, time=140000) at thread/qwaitcondition_unix.cpp:85
#2  0x00007ffe6cf0e518 in KDevelop::DUChainPrivate::CleanupThread::run (this=0x2c16bb0) at /build/buildd/kdevplatform-0.9.91/language/duchain/duchain.cpp:238
#3  0x00007ffe6fe29d35 in QThreadPrivate::start (arg=0x2c16bb0) at thread/qthread_unix.cpp:188
#4  0x00007ffe6a7063ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007ffe6e560fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffe730e7750 (LWP 5017)):
[KCrash Handler]
#5  KDevelop::ParsingEnvironmentFile::indexedTopContext (this=0x0) at /build/buildd/kdevplatform-0.9.91/language/duchain/parsingenvironment.cpp:74
#6  0x00007ffe6cefb8bd in KDevelop::DUChain::chainForDocument (this=0x2beedc0, document=<value optimized out>) at /build/buildd/kdevplatform-0.9.91/language/duchain/duchain.cpp:1019
#7  0x00007ffe6cf6478d in KDevelop::DUChainUtils::standardContextForUrl (url=@0x7fff7b12d580) at /build/buildd/kdevplatform-0.9.91/language/duchain/duchainutils.cpp:242
#8  0x00007ffe6cefa74a in KDevelop::DUChain::documentLoadedPrepare (this=0x2beedc0, doc=0x317e5f0) at /build/buildd/kdevplatform-0.9.91/language/duchain/duchain.cpp:1196
#9  0x00007ffe6cefd9cc in KDevelop::DUChain::qt_metacall (this=0x2beedc0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7b12d800)
    at /build/buildd/kdevplatform-0.9.91/obj-x86_64-linux-gnu/language/duchain.moc:155
#10 0x00007ffe6ff28ea2 in QMetaObject::activate (sender=0x2816190, from_signal_index=<value optimized out>, to_signal_index=13, argv=0x60b600) at kernel/qobject.cpp:3113
#11 0x00007ffe7288ee32 in KDevelop::IDocumentController::documentLoadedPrepare (this=0x0, _t1=0x317e5f0)
    at /build/buildd/kdevplatform-0.9.91/obj-x86_64-linux-gnu/interfaces/idocumentcontroller.moc:237
#12 0x00007ffe7288cfb0 in KDevelop::IDocument::notifyLoaded (this=0x317e5f0) at /build/buildd/kdevplatform-0.9.91/interfaces/idocument.cpp:119
#13 0x00007ffe72640c78 in KDevelop::TextDocument::qt_metacall (this=0x317e5d0, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fff7b12d9b0)
    at /build/buildd/kdevplatform-0.9.91/shell/textdocument.cpp:151
#14 0x00007ffe6ff28ea2 in QMetaObject::activate (sender=0x330b5e0, from_signal_index=<value optimized out>, to_signal_index=24, argv=0x60b600) at kernel/qobject.cpp:3113
#15 0x00007ffe71865e72 in KTextEditor::Document::textChanged (this=0x0, _t1=0x330b5e0) at /build/buildd/kde4libs-4.3.0/obj-x86_64-linux-gnu/interfaces/ktexteditor/document.moc:156
#16 0x00007ffe5735ae58 in KateDocument::openFile (this=0x330b5e0) at /build/buildd/kde4libs-4.3.0/kate/document/katedocument.cpp:3184
#17 0x00007ffe71cb4bd4 in KParts::ReadOnlyPart::openUrl (this=0x330b5e0, url=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kparts/part.cpp:557
#18 0x00007ffe72640000 in KDevelop::TextDocument::createViewWidget (this=0x317e5d0, parent=0x2858ea0) at /build/buildd/kdevplatform-0.9.91/shell/textdocument.cpp:223
#19 0x00007ffe72640437 in KDevelop::TextView::createWidget (this=0x31b86e0, parent=0x2858ea0) at /build/buildd/kdevplatform-0.9.91/shell/textdocument.cpp:486
#20 0x00007ffe6cc5a2a6 in Sublime::View::widget (this=0x31b86e0, parent=0x0) at /build/buildd/kdevplatform-0.9.91/sublime/view.cpp:77
#21 0x00007ffe6cc55fa5 in Sublime::MainWindowPrivate::ViewCreator::operator() (this=0x7fff7b12e600, index=0x2802580) at /build/buildd/kdevplatform-0.9.91/sublime/mainwindow_p.cpp:169
#22 0x00007ffe6cc59797 in Sublime::Area::walkViewsInternal<Sublime::MainWindowPrivate::ViewCreator> (this=0x2867990, op=@0x7fff7b12e600, index=0x2802580)
    at /build/buildd/kdevplatform-0.9.91/sublime/areawalkers.h:32
#23 0x00007ffe6cc568e6 in Sublime::MainWindowPrivate::viewAdded (this=0x2837850, index=0x2802580) at /build/buildd/kdevplatform-0.9.91/sublime/areawalkers.h:48
#24 0x00007ffe6cc516a0 in Sublime::MainWindow::qt_metacall (this=0x281f1c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7b12e780)
    at /build/buildd/kdevplatform-0.9.91/obj-x86_64-linux-gnu/sublime/mainwindow.moc:97
#25 0x00007ffe7261b695 in KDevelop::MainWindow::qt_metacall (this=0x0, _c=QMetaObject::InvokeMetaMethod, _id=54302152, _a=0x60b600)
    at /build/buildd/kdevplatform-0.9.91/obj-x86_64-linux-gnu/shell/mainwindow.moc:77
#26 0x00007ffe6ff28ea2 in QMetaObject::activate (sender=0x2867990, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x60b600) at kernel/qobject.cpp:3113
#27 0x00007ffe6cc46d08 in Sublime::Area::viewAdded (this=0x0, _t1=0x2802580, _t2=0x31b86e0) at /build/buildd/kdevplatform-0.9.91/obj-x86_64-linux-gnu/sublime/area.moc:92
#28 0x00007ffe6cc47354 in Sublime::Area::addView (this=0x2867990, view=0x31b86e0, index=0x2802580) at /build/buildd/kdevplatform-0.9.91/sublime/area.cpp:148
#29 0x00007ffe7262c629 in KDevelop::UiController::loadArea (this=<value optimized out>, area=0x2867990, areaIndex=0x2802580, group=@0x7fff7b12ec40)
    at /build/buildd/kdevplatform-0.9.91/shell/uicontroller.cpp:440
#30 0x00007ffe7262dfd4 in KDevelop::UiController::loadAllAreas (this=0x281dbc0, config=<value optimized out>) at /build/buildd/kdevplatform-0.9.91/shell/uicontroller.cpp:529
#31 0x00007ffe7262a8ad in KDevelop::CorePrivate::initialize (this=0x2816b40, mode=<value optimized out>) at /build/buildd/kdevplatform-0.9.91/shell/core.cpp:136
#32 0x0000000000407336 in _start ()

Reported using DrKonqi