Application: step (0.1.0)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
I had created a a soft body mass, which i then tried to delete from the screen by trying to do a drag type thing, and then it just closed.

-- Backtrace:
Application: Step (step), signal: Segmentation fault
[Current thread is 1 (Thread 0xb76f1720 (LWP 22992))]

Thread 3 (Thread 0xb73b9b70 (LWP 22994)):
#0  0x016d57ba in ?? () from /lib/i386-linux-gnu/libc.so.6
#1  0x016b8f60 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x0247884b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x024681af in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0246892b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x02c57304 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x024912df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x00115e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x016c773e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xb445db70 (LWP 22998)):
#0  0x00871416 in __kernel_vsyscall ()
#1  0x0011a48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x065b7467 in wait (this=0x9601c64, mutex=0x9601c60, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#3  QWaitCondition::wait (this=0x9601c64, mutex=0x9601c60, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#4  0x080c1890 in SimulationThread::run (this=0x9601c48) at ../../../step/step/simulationthread.cc:29
#5  0x065b6da2 in QThreadPrivate::start (arg=0x9601c48) at thread/qthread_unix.cpp:320
#6  0x00115e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#7  0x016c773e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb76f1720 (LWP 22992)):
[KCrash Handler]
#7  WorldFactory::newItemMenuHandler (this=0x93e1310, object=0x0, worldModel=0x94efc70, parent=0x947af58) at ../../../step/step/worldfactory.cc:238
#8  0x0806f764 in WorldModel::createContextMenu (this=0x94efc70, index=...) at ../../../step/step/worldmodel.cc:801
#9  0x0807a8e9 in WorldGraphicsItem::contextMenuEvent (this=0x965bd48, event=0xbf9e3a9c) at ../../../step/step/worldgraphics.cc:494
#10 0x01efe548 in QGraphicsItem::sceneEvent (this=0x965bd48, event=0xbf9e3a9c) at graphicsview/qgraphicsitem.cpp:6691
#11 0x01f27950 in QGraphicsScenePrivate::sendEvent (this=0x9459e50, item=0x965bd48, event=0xbf9e3a9c) at graphicsview/qgraphicsscene.cpp:1207
#12 0x01f28090 in QGraphicsScene::contextMenuEvent (this=0x9459e00, contextMenuEvent=0xbf9e3a9c) at graphicsview/qgraphicsscene.cpp:3596
#13 0x01f3b50c in QGraphicsScene::event (this=0x9459e00, event=0xbf9e3a9c) at graphicsview/qgraphicsscene.cpp:3394
#14 0x080762a5 in WorldScene::event (this=0x9459e00, event=0xbf9e3a9c) at ../../../step/step/worldscene.cc:222
#15 0x018c2d24 in QApplicationPrivate::notify_helper (this=0x92516b0, receiver=0x9459e00, e=0xbf9e3a9c) at kernel/qapplication.cpp:4462
#16 0x018c78ce in QApplication::notify (this=0xbf9e4a34, receiver=0x9459e00, e=0xbf9e3a9c) at kernel/qapplication.cpp:3862
#17 0x0142e3ca in KApplication::notify (this=0xbf9e4a34, receiver=0x9459e00, event=0xbf9e3a9c) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x066ab0bb in QCoreApplication::notifyInternal (this=0xbf9e4a34, receiver=0x9459e00, event=0xbf9e3a9c) at kernel/qcoreapplication.cpp:731
#19 0x01f4f361 in sendEvent (this=0x9433aa0, event=0xbf9e3f64) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QGraphicsView::contextMenuEvent (this=0x9433aa0, event=0xbf9e3f64) at graphicsview/qgraphicsview.cpp:2890
#21 0x0191bcd8 in QWidget::event (this=0x9433aa0, event=0xbf9e3f64) at kernel/qwidget.cpp:8426
#22 0x01d0cf63 in QFrame::event (this=0x9433aa0, e=0xbf9e3f64) at widgets/qframe.cpp:557
#23 0x01d9b5d2 in QAbstractScrollArea::viewportEvent (this=0x9433aa0, e=0xbf9e3f64) at widgets/qabstractscrollarea.cpp:1043
#24 0x01f5836f in QGraphicsView::viewportEvent (this=0x9433aa0, event=0xbf9e3f64) at graphicsview/qgraphicsview.cpp:2864
#25 0x01d9ded5 in viewportEvent (this=0x94339d0, o=0x9479710, e=0xbf9e3f64) at widgets/qabstractscrollarea_p.h:100
#26 QAbstractScrollAreaFilter::eventFilter (this=0x94339d0, o=0x9479710, e=0xbf9e3f64) at widgets/qabstractscrollarea_p.h:116
#27 0x066ab25a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x92516b0, receiver=0x9479710, event=0xbf9e3f64) at kernel/qcoreapplication.cpp:846
#28 0x018c2d00 in QApplicationPrivate::notify_helper (this=0x92516b0, receiver=0x9479710, e=0xbf9e3f64) at kernel/qapplication.cpp:4458
#29 0x018c7c62 in QApplication::notify (this=0xbf9e4a34, receiver=0x967b278, e=0xbf9e41dc) at kernel/qapplication.cpp:4102
#30 0x0142e3ca in KApplication::notify (this=0xbf9e4a34, receiver=0x967b278, event=0xbf9e41dc) at ../../kdeui/kernel/kapplication.cpp:311
#31 0x066ab0bb in QCoreApplication::notifyInternal (this=0xbf9e4a34, receiver=0x967b278, event=0xbf9e41dc) at kernel/qcoreapplication.cpp:731
#32 0x0194d343 in sendSpontaneousEvent (this=0x939e418, event=0xbf9e46dc) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#33 QETWidget::translateMouseEvent (this=0x939e418, event=0xbf9e46dc) at kernel/qapplication_x11.cpp:4561
#34 0x0194b746 in QApplication::x11ProcessEvent (this=0xbf9e4a34, event=0xbf9e46dc) at kernel/qapplication_x11.cpp:3678
#35 0x01976b84 in x11EventSourceDispatch (s=0x9254600, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#36 0x02467aa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#37 0x02468270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#38 0x02468524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#39 0x066d853c in QEventDispatcherGlib::processEvents (this=0x9202aa8, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#40 0x01976775 in QGuiEventDispatcherGlib::processEvents (this=0x9202aa8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#41 0x066aa289 in QEventLoop::processEvents (this=0xbf9e49a4, flags=...) at kernel/qeventloop.cpp:149
#42 0x066aa522 in QEventLoop::exec (this=0xbf9e49a4, flags=...) at kernel/qeventloop.cpp:201
#43 0x066aeecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#44 0x018c08e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#45 0x080c64ea in main (argc=) at ../../../step/step/main.cc:59

Possible duplicates by query: bug 258043, bug 246057.

Reported using DrKonqi