Bug 255629

Application: kdevelop (4.0.2 (using KDevPlatform 1.0.2))
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-23-generic i686
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:

I just started KDevelop, then exited it without doing anything.

The crash can be reproduced every time.

-- Backtrace:
Application: KDevelop (kdevelop.bin), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77f9710 (LWP 19238))]

Thread 4 (Thread 0xb6b4db70 (LWP 19252)):
#0  0x002383f4 in __pthread_mutex_lock (mutex=0x83150bc) at pthread_mutex_lock.c:62
#1  0x003e7f76 in pthread_mutex_lock (mutex=0x83150bc) at forward.c:182
#2  0x01f05521 in ?? () from /lib/libglib-2.0.so.0
#3  0x01f05ba7 in g_main_loop_run () from /lib/libglib-2.0.so.0
#4  0x020386b4 in ?? () from /usr/lib/libgio-2.0.so.0
#5  0x01f2c48f in ?? () from /lib/libglib-2.0.so.0
#6  0x00235cc9 in start_thread (arg=0xb6b4db70) at pthread_create.c:304
#7  0x003da6ae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xb31a4b70 (LWP 19283)):
#0  0x00309416 in __kernel_vsyscall ()
#1  0x0023a884 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:236
#2  0x003e7e04 in __pthread_cond_timedwait (cond=0x85ae738, mutex=0x85ae720, abstime=0xb31a42b0) at forward.c:152
#3  0x00e4994f in wait (this=0x85b642c, mutex=0x85b6430, time=200000) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x85b642c, mutex=0x85b6430, time=200000) at thread/qwaitcondition_unix.cpp:160
#5  0x0111f5b5 in KDevelop::DUChainPrivate::CleanupThread::run (this=0x85b6420) at ../../language/duchain/duchain.cpp:286
#6  0x00e48df9 in QThreadPrivate::start (arg=0x85b6420) at thread/qthread_unix.cpp:266
#7  0x00235cc9 in start_thread (arg=0xb31a4b70) at pthread_create.c:304
#8  0x003da6ae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xb0788b70 (LWP 19289)):
#0  0x01c29e36 in clock_gettime (clock_id=29548532, tp=0xb0787f90) at ../sysdeps/unix/clock_gettime.c:100
#1  0x00ea450b in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#3  0x00f7b6e5 in QTimerInfoList::updateCurrentTime (this=0x869e41c) at kernel/qeventdispatcher_unix.cpp:339
#4  0x00f7b72a in QTimerInfoList::timerWait (this=0x869e41c, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x00f797a8 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xb07880bc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x00f7983d in timerSourcePrepare (source=0x0, timeout=0x1c2dff4) at kernel/qeventdispatcher_glib.cpp:169
#7  0x01f04e6a in g_main_context_prepare () from /lib/libglib-2.0.so.0
#8  0x01f05279 in ?? () from /lib/libglib-2.0.so.0
#9  0x01f05848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#10 0x00f7959f in QEventDispatcherGlib::processEvents (this=0x869e850, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#11 0x00f49609 in QEventLoop::processEvents (this=0xb0788290, flags=) at kernel/qeventloop.cpp:149
#12 0x00f49a8a in QEventLoop::exec (this=0xb0788290, flags=...) at kernel/qeventloop.cpp:201
#13 0x00e45b7e in QThread::exec (this=0x869c558) at thread/qthread.cpp:490
#14 0x00f2835b in QInotifyFileSystemWatcherEngine::run (this=0x869c558) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x00e48df9 in QThreadPrivate::start (arg=0x869c558) at thread/qthread_unix.cpp:266
#16 0x00235cc9 in start_thread (arg=0xb0788b70) at pthread_create.c:304
#17 0x003da6ae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb77f9710 (LWP 19238)):
[KCrash Handler]
#7  0x00d9bd67 in ProvidersModel::data (this=0x875c1c0, index=..., role=0) at ../../shell/documentationview.cpp:51
#8  0x0702eb39 in QComboBoxPrivate::itemText (this=0x875bd08, index=...) at widgets/qcombobox.cpp:1270
#9  0x0702ecd0 in QComboBox::currentText (this=0x875bb58) at widgets/qcombobox.cpp:2039
#10 0x0702f8fd in QComboBox::initStyleOption (this=0x875bb58, option=0xbfcb5370) at widgets/qcombobox.cpp:1119
#11 0x07032e61 in QComboBoxPrivate::updateViewContainerPaletteAndOpacity (this=0x875bd08) at widgets/qcombobox.cpp:1078
#12 0x070360e8 in QComboBox::changeEvent (this=0x875bb58, e=0xbfcb59bc) at widgets/qcombobox.cpp:2734
#13 0x06c43a5e in QWidget::event (this=0x875bb58, event=0xbfcb59bc) at kernel/qwidget.cpp:8477
#14 0x07033b7c in QComboBox::event (this=0x875bb58, event=0xbfcb59bc) at widgets/qcombobox.cpp:2834
#15 0x06be5fdc in QApplicationPrivate::notify_helper (this=0x82e13c0, receiver=0x875bb58, e=0xbfcb59bc) at kernel/qapplication.cpp:4396
#16 0x06bec0e9 in QApplication::notify (this=0xbfcb6ce0, receiver=0x875bb58, e=0xbfcb59bc) at kernel/qapplication.cpp:4361
#17 0x0068368a in KApplication::notify (this=0xbfcb6ce0, receiver=0x875bb58, event=0xbfcb59bc) at ../../kdeui/kernel/kapplication.cpp:310
#18 0x00f4ab3b in QCoreApplication::notifyInternal (this=0xbfcb6ce0, receiver=0x875bb58, event=0xbfcb59bc) at kernel/qcoreapplication.cpp:732
#19 0x06c3f701 in sendEvent (this=0x875bd08) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QWidgetPrivate::propagatePaletteChange (this=0x875bd08) at kernel/qwidget.cpp:1870
#21 0x06c3f8e1 in QWidgetPrivate::setPalette_helper (this=0x875bd08, palette=...) at kernel/qwidget.cpp:4614
#22 0x06c3f97a in QWidgetPrivate::resolvePalette (this=0x875bd08) at kernel/qwidget.cpp:4604
#23 0x06c4de75 in QWidget::setParent (this=0x875bb58, parent=0x0, f=...) at kernel/qwidget.cpp:10018
#24 0x06c4e3ce in QWidget::setParent (this=0x86170d4, parent=0x875c110) at kernel/qwidget.cpp:9937
#25 0x06c51a66 in QWidgetAction::releaseWidget (this=0x87672e0, widget=0x875bb58) at kernel/qwidgetaction.cpp:207
#26 0x070f5e22 in QToolBarLayout::~QToolBarLayout (this=0x87592e0, __in_chrg=<value optimized out>) at widgets/qtoolbarlayout.cpp:101
#27 0x06c497f3 in QWidget::~QWidget (this=0x87590e8, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1501
#28 0x070f32ed in QToolBar::~QToolBar (this=0x87590e8, __in_chrg=<value optimized out>) at widgets/qtoolbar.cpp:597
#29 0x007b0e09 in KToolBar::~KToolBar (this=0x87590e8, __in_chrg=<value optimized out>) at ../../kdeui/widgets/ktoolbar.cpp:728
#30 0x00f5d816 in QObjectPrivate::deleteChildren (this=0x8758ef0) at kernel/qobject.cpp:1957
#31 0x06c498fc in QWidget::~QWidget (this=0x875b388, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1589
#32 0x00d20b5d in DocumentationView::~DocumentationView (this=0x875b388, __in_chrg=<value optimized out>) at ../../shell/documentationview.h:32
#33 0x00f5d816 in QObjectPrivate::deleteChildren (this=0x87581e0) at kernel/qobject.cpp:1957
#34 0x06c498fc in QWidget::~QWidget (this=0x86b5738, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1589
#35 0x0704d1d1 in QDockWidget::~QDockWidget (this=0x86b5738, __in_chrg=<value optimized out>) at widgets/qdockwidget.cpp:1181
#36 0x052448d2 in ?? () from /usr/lib/libsublime.so.1
#37 0x00f5d816 in QObjectPrivate::deleteChildren (this=0x86b5738) at kernel/qobject.cpp:1957
#38 0x06c498fc in QWidget::~QWidget (this=0x86a7bb0, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1589
#39 0x0524b7d7 in ?? () from /usr/lib/libsublime.so.1
#40 0x00f5d816 in QObjectPrivate::deleteChildren (this=0x86a7bb0) at kernel/qobject.cpp:1957
#41 0x06c498fc in QWidget::~QWidget (this=0x84be620, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1589
#42 0x07083c31 in QMainWindow::~QMainWindow (this=0x84be620, __in_chrg=<value optimized out>) at widgets/qmainwindow.cpp:329
#43 0x0077b864 in KMainWindow::~KMainWindow (this=0x84be620, __in_chrg=<value optimized out>) at ../../kdeui/widgets/kmainwindow.cpp:473
#44 0x007c18b8 in KXmlGuiWindow::~KXmlGuiWindow (this=0x84be620, __vtt_parm=0xde020c, __in_chrg=<value optimized out>) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:126
#45 0x00b84429 in KParts::MainWindow::~MainWindow (this=0x84be620, __vtt_parm=0xde0208, __in_chrg=<value optimized out>) at ../../kparts/mainwindow.cpp:77
#46 0x05235276 in Sublime::MainWindow::~MainWindow() () from /usr/lib/libsublime.so.1
#47 0x00d3289e in KDevelop::MainWindow::~MainWindow (this=0x84be620, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>) at ../../shell/mainwindow.cpp:128
#48 0x00f5b9a5 in qDeleteInEventHandler (o=0x86170d4) at kernel/qobject.cpp:3988
#49 0x00f5d6c8 in QObject::event (this=0x84be620, e=0x6968572d) at kernel/qobject.cpp:1202
#50 0x06c43936 in QWidget::event (this=0x84be620, event=0x87b6478) at kernel/qwidget.cpp:8646
#51 0x07084917 in QMainWindow::event (this=0x84be620, event=0x87b6478) at widgets/qmainwindow.cpp:1417
#52 0x007798a4 in KMainWindow::event (this=0x84be620, ev=0x87b6478) at ../../kdeui/widgets/kmainwindow.cpp:1100
#53 0x007c214f in KXmlGuiWindow::event (this=0x84be620, ev=0x87b6478) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:130
#54 0x06be5fdc in QApplicationPrivate::notify_helper (this=0x82e13c0, receiver=0x84be620, e=0x87b6478) at kernel/qapplication.cpp:4396
#55 0x06bec0e9 in QApplication::notify (this=0xbfcb6ce0, receiver=0x84be620, e=0x87b6478) at kernel/qapplication.cpp:4361
#56 0x0068368a in KApplication::notify (this=0xbfcb6ce0, receiver=0x84be620, event=0x87b6478) at ../../kdeui/kernel/kapplication.cpp:310
#57 0x00f4ab3b in QCoreApplication::notifyInternal (this=0xbfcb6ce0, receiver=0x84be620, event=0x87b6478) at kernel/qcoreapplication.cpp:732
#58 0x00f4dd8b in sendEvent (receiver=0x0, event_type=0, data=0x8298f00) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#59 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8298f00) at kernel/qcoreapplication.cpp:1373
#60 0x00f4df4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1266
#61 0x00f79a74 in sendPostedEvents (s=0x82e40a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#62 postEventSourceDispatch (s=0x82e40a0) at kernel/qeventdispatcher_glib.cpp:277
#63 0x01f01855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#64 0x01f05668 in ?? () from /lib/libglib-2.0.so.0
#65 0x01f05848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#66 0x00f79565 in QEventDispatcherGlib::processEvents (this=0x8298a18, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#67 0x06ca7be5 in QGuiEventDispatcherGlib::processEvents (this=0x8298a18, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#68 0x00f49609 in QEventLoop::processEvents (this=0xbfcb6b94, flags=) at kernel/qeventloop.cpp:149
#69 0x00f49a8a in QEventLoop::exec (this=0xbfcb6b94, flags=...) at kernel/qeventloop.cpp:201
#70 0x00f4e00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#71 0x06be4e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#72 0x0804fe00 in _start ()

This bug may be a duplicate of or related to bug 236037.

Possible duplicates by query: bug 254859, bug 254855, bug 254713, bug 254233, bug 252744.

Reported using DrKonqi