Application: karbon (2.7.0)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-28-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
- What I was doing when the application crashed:
After Dolphin opened an SVG file in Karbon, I closed Karbon's window using the x button.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Karbon (karbon), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f25b52e67c0 (LWP 27423))]

Thread 2 (Thread 0x7f25924a0700 (LWP 27461)):
#0  0x00007ffff39adaf7 in ?? ()
#1  0x00007f259249fc18 in ?? ()
#2  0x000000028c147db0 in ?? ()
#3  0x00007f258c860600 in ?? ()
#4  0x00007f259249fb80 in ?? ()
#5  0x00007f259249fc38 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f25b52e67c0 (LWP 27423)):
[KCrash Handler]
#6  0x00007f25b48feeae in KarbonDocument::layers() const () from /usr/lib/libkarbonui.so.12
#7  0x00007f25b491578d in ?? () from /usr/lib/libkarbonui.so.12
#8  0x00007f25b30a4e8a in QAbstractItemModel::hasChildren (this=0x4603930, parent=...) at kernel/qabstractitemmodel.cpp:1649
#9  0x00007f25b402aeb3 in QSortFilterProxyModel::hasChildren (this=<optimized out>, parent=...) at itemviews/qsortfilterproxymodel.cpp:1716
#10 0x00007f25b3ff0ccf in QTreeView::doItemsLayout (this=0x45ec490) at itemviews/qtreeview.cpp:2039
#11 0x00007f25b3fe7ce1 in QTreeViewPrivate::updateScrollBars (this=0x45ebb60) at itemviews/qtreeview.cpp:3473
#12 0x00007f25b3ff05b7 in QTreeView::updateGeometries (this=0x45ec490) at itemviews/qtreeview.cpp:2699
#13 0x00007f25b3ae8c55 in QWidget::event (this=this@entry=0x45ec490, event=event@entry=0x7ffff389cd20) at kernel/qwidget.cpp:8540
#14 0x00007f25b3e9b466 in QFrame::event (this=0x45ec490, e=0x7ffff389cd20) at widgets/qframe.cpp:557
#15 0x00007f25b3fb1a0b in QAbstractItemView::viewportEvent (this=this@entry=0x45ec490, event=event@entry=0x7ffff389cd20) at itemviews/qabstractitemview.cpp:1644
#16 0x00007f25b3ff16b1 in QTreeView::viewportEvent (this=this@entry=0x45ec490, event=event@entry=0x7ffff389cd20) at itemviews/qtreeview.cpp:1257
#17 0x00007f25b465f02b in KoDocumentSectionView::viewportEvent (this=0x45ec490, e=0x7ffff389cd20) at /build/buildd/calligra-2.7.1/libs/main/KoDocumentSectionView.cpp:186
#18 0x00007f25b30b17a6 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1bc0570, receiver=receiver@entry=0x45eb240, event=event@entry=0x7ffff389cd20) at kernel/qcoreapplication.cpp:1056
#19 0x00007f25b3a9b8bc in QApplicationPrivate::notify_helper (this=this@entry=0x1bc0570, receiver=receiver@entry=0x45eb240, e=e@entry=0x7ffff389cd20) at kernel/qapplication.cpp:4563
#20 0x00007f25b3a9e25b in QApplication::notify (this=0x7ffff38a02d0, receiver=receiver@entry=0x45eb240, e=e@entry=0x7ffff389cd20) at kernel/qapplication.cpp:4428
#21 0x00007f25b45d99e8 in KoApplication::notify (this=<optimized out>, receiver=0x45eb240, event=0x7ffff389cd20) at /build/buildd/calligra-2.7.1/libs/main/KoApplication.cpp:556
#22 0x00007f25b30b163e in QCoreApplication::notifyInternal (this=0x7ffff38a02d0, receiver=receiver@entry=0x45eb240, event=event@entry=0x7ffff389cd20) at kernel/qcoreapplication.cpp:946
#23 0x00007f25b3b36204 in sendEvent (event=0x7ffff389cd20, receiver=0x45eb240) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#24 QWidgetPrivate::setGeometry_sys (this=this@entry=0x45eb270, x=<optimized out>, y=3, w=<optimized out>, h=<optimized out>, isMove=isMove@entry=true) at kernel/qwidget_x11.cpp:2675
#25 0x00007f25b3ae4195 in QWidget::setGeometry (this=0x45eb240, r=...) at kernel/qwidget.cpp:6973
#26 0x00007f25b3f1a3ae in QAbstractScrollAreaPrivate::layoutChildren (this=this@entry=0x45ebb60) at widgets/qabstractscrollarea.cpp:480
#27 0x00007f25b3f1bc0d in QAbstractScrollArea::event (this=this@entry=0x45ec490, e=e@entry=0x7ffff389d5f0) at widgets/qabstractscrollarea.cpp:924
#28 0x00007f25b3fb1e6b in QAbstractItemView::event (this=0x45ec490, event=0x7ffff389d5f0) at itemviews/qabstractitemview.cpp:1580
#29 0x00007f25b3a9b8ec in QApplicationPrivate::notify_helper (this=this@entry=0x1bc0570, receiver=receiver@entry=0x45ec490, e=e@entry=0x7ffff389d5f0) at kernel/qapplication.cpp:4567
#30 0x00007f25b3a9e25b in QApplication::notify (this=0x7ffff38a02d0, receiver=receiver@entry=0x45ec490, e=e@entry=0x7ffff389d5f0) at kernel/qapplication.cpp:4428
#31 0x00007f25b45d99e8 in KoApplication::notify (this=<optimized out>, receiver=0x45ec490, event=0x7ffff389d5f0) at /build/buildd/calligra-2.7.1/libs/main/KoApplication.cpp:556
#32 0x00007f25b30b163e in QCoreApplication::notifyInternal (this=0x7ffff38a02d0, receiver=receiver@entry=0x45ec490, event=event@entry=0x7ffff389d5f0) at kernel/qcoreapplication.cpp:946
#33 0x00007f25b3b36204 in sendEvent (event=0x7ffff389d5f0, receiver=0x45ec490) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#34 QWidgetPrivate::setGeometry_sys (this=this@entry=0x45ebb60, x=<optimized out>, y=1, w=<optimized out>, h=<optimized out>, isMove=isMove@entry=true) at kernel/qwidget_x11.cpp:2675
#35 0x00007f25b3ae4195 in QWidget::setGeometry (this=0x45ec490, r=...) at kernel/qwidget.cpp:6973
#36 0x00007f25b3ac8392 in setGeometry (ah=706, aw=1272, ay=1, ax=1, this=<optimized out>) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:1015
#37 setGeometry (rect=..., this=0x45f7020) at kernel/qlayoutitem.cpp:490
#38 QWidgetItem::setGeometry (this=0x45f7020, rect=...) at kernel/qlayoutitem.cpp:436
#39 0x00007f25b3abf448 in setGeometry (r=..., this=<optimized out>) at kernel/qgridlayout.cpp:85
#40 QGridLayoutPrivate::distribute (this=this@entry=0x45eacb0, r=..., hSpacing=<optimized out>, vSpacing=vSpacing@entry=0) at kernel/qgridlayout.cpp:959
#41 0x00007f25b3abfbc6 in QGridLayout::setGeometry (this=0x45eac80, rect=...) at kernel/qgridlayout.cpp:1455
#42 0x00007f25b3ac4a63 in QLayoutPrivate::doResize (this=0x45eacb0, r=...) at kernel/qlayout.cpp:681
#43 0x00007f25b3a9b8ae in QApplicationPrivate::notify_helper (this=this@entry=0x1bc0570, receiver=receiver@entry=0x45ec370, e=e@entry=0x7ffff389de90) at kernel/qapplication.cpp:4558
#44 0x00007f25b3a9e25b in QApplication::notify (this=0x7ffff38a02d0, receiver=receiver@entry=0x45ec370, e=e@entry=0x7ffff389de90) at kernel/qapplication.cpp:4428
#45 0x00007f25b45d99e8 in KoApplication::notify (this=<optimized out>, receiver=0x45ec370, event=0x7ffff389de90) at /build/buildd/calligra-2.7.1/libs/main/KoApplication.cpp:556
#46 0x00007f25b30b163e in QCoreApplication::notifyInternal (this=0x7ffff38a02d0, receiver=receiver@entry=0x45ec370, event=event@entry=0x7ffff389de90) at kernel/qcoreapplication.cpp:946
#47 0x00007f25b3b36204 in sendEvent (event=0x7ffff389de90, receiver=0x45ec370) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#48 QWidgetPrivate::setGeometry_sys (this=this@entry=0x45eaa80, x=<optimized out>, y=20, w=<optimized out>, h=<optimized out>, isMove=isMove@entry=true) at kernel/qwidget_x11.cpp:2675
#49 0x00007f25b3ae4195 in QWidget::setGeometry (this=0x45ec370, r=...) at kernel/qwidget.cpp:6973
#50 0x00007f25b3ac8392 in setGeometry (ah=733, aw=1274, ay=20, ax=3, this=<optimized out>) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:1015
#51 setGeometry (rect=..., this=0x45fb140) at kernel/qlayoutitem.cpp:490
#52 QWidgetItem::setGeometry (this=0x45fb140, rect=...) at kernel/qlayoutitem.cpp:436
#53 0x00007f25b3e8990d in QDockWidgetLayout::setGeometry (this=0x45e7df0, geometry=...) at widgets/qdockwidget.cpp:524
#54 0x00007f25b3ac4a63 in QLayoutPrivate::doResize (this=0x45e82b0, r=...) at kernel/qlayout.cpp:681
#55 0x00007f25b3a9b8ae in QApplicationPrivate::notify_helper (this=this@entry=0x1bc0570, receiver=receiver@entry=0x45e7f90, e=e@entry=0x7ffff389e710) at kernel/qapplication.cpp:4558
#56 0x00007f25b3a9e25b in QApplication::notify (this=0x7ffff38a02d0, receiver=receiver@entry=0x45e7f90, e=e@entry=0x7ffff389e710) at kernel/qapplication.cpp:4428
#57 0x00007f25b45d99e8 in KoApplication::notify (this=<optimized out>, receiver=0x45e7f90, event=0x7ffff389e710) at /build/buildd/calligra-2.7.1/libs/main/KoApplication.cpp:556
#58 0x00007f25b30b163e in QCoreApplication::notifyInternal (this=0x7ffff38a02d0, receiver=receiver@entry=0x45e7f90, event=event@entry=0x7ffff389e710) at kernel/qcoreapplication.cpp:946
#59 0x00007f25b3b36204 in sendEvent (event=0x7ffff389e710, receiver=0x45e7f90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#60 QWidgetPrivate::setGeometry_sys (this=this@entry=0x45e8020, x=<optimized out>, y=131, w=<optimized out>, h=<optimized out>, isMove=isMove@entry=true) at kernel/qwidget_x11.cpp:2675
#61 0x00007f25b3ae4195 in QWidget::setGeometry (this=this@entry=0x45e7f90, r=...) at kernel/qwidget.cpp:6973
#62 0x00007f25b3aeb7fd in QWidget::qt_metacall (this=this@entry=0x45e7f90, _c=_c@entry=QMetaObject::WriteProperty, _id=3, _a=_a@entry=0x7ffff389e9b0) at .moc/release-shared/moc_qwidget.cpp:300
#63 0x00007f25b3e89b75 in QDockWidget::qt_metacall (this=0x45e7f90, _c=QMetaObject::WriteProperty, _id=<optimized out>, _a=0x7ffff389e9b0) at .moc/release-shared/moc_qdockwidget.cpp:134
#64 0x00007f25b4913950 in ?? () from /usr/lib/libkarbonui.so.12
#65 0x00007f25b2f9d0b2 in QPropertyAnimationPrivate::updateProperty (this=0x46648f0, newValue=...) at animation/qpropertyanimation.cpp:142
#66 0x00007f25b2f9a735 in QVariantAnimationPrivate::setCurrentValueForProgress (this=this@entry=0x46648f0, progress=progress@entry=1) at animation/qvariantanimation.cpp:294
#67 0x00007f25b2f9aad1 in QVariantAnimationPrivate::recalculateCurrentInterval (this=this@entry=0x46648f0, force=force@entry=true) at animation/qvariantanimation.cpp:279
#68 0x00007f25b2f9adde in QVariantAnimationPrivate::setDefaultStartEndValue (this=this@entry=0x46648f0, value=...) at animation/qvariantanimation.cpp:341
#69 0x00007f25b2f9d882 in QPropertyAnimation::updateState (this=0x3924740, newState=<optimized out>, oldState=QAbstractAnimation::Stopped) at animation/qpropertyanimation.cpp:288
#70 0x00007f25b2f98026 in QAbstractAnimationPrivate::setState (this=0x46648f0, newState=newState@entry=QAbstractAnimation::Running) at animation/qabstractanimation.cpp:569
#71 0x00007f25b2f98690 in QAbstractAnimation::start (this=this@entry=0x3924740, policy=policy@entry=QAbstractAnimation::DeleteWhenStopped) at animation/qabstractanimation.cpp:938
#72 0x00007f25b3f2bc76 in QWidgetAnimator::animate (this=this@entry=0x1e3fe48, widget=widget@entry=0x45e7f90, _final_geometry=..., animate=<optimized out>, animate@entry=false) at widgets/qwidgetanimator.cpp:104
#73 0x00007f25b3e8df3d in QDockAreaLayoutInfo::apply (this=this@entry=0x1e3fa58, animate=animate@entry=false) at widgets/qdockarealayout.cpp:1555
#74 0x00007f25b3e8e0ad in QDockAreaLayout::apply (this=this@entry=0x1e3f9c8, animate=<optimized out>) at widgets/qdockarealayout.cpp:3074
#75 0x00007f25b3eb544c in QMainWindowLayoutState::apply (this=this@entry=0x1e3f8f0, animated=<optimized out>) at widgets/qmainwindowlayout.cpp:239
#76 0x00007f25b3eb8471 in QMainWindowLayout::applyState (this=this@entry=0x1e3f8d0, newState=..., animate=animate@entry=false) at widgets/qmainwindowlayout.cpp:1934
#77 0x00007f25b3ebbcf3 in QMainWindowLayout::setGeometry (this=0x1e3f8d0, _r=...) at widgets/qmainwindowlayout.cpp:1478
#78 0x00007f25b3ac4a63 in QLayoutPrivate::doResize (this=this@entry=0x1e38420, r=...) at kernel/qlayout.cpp:681
#79 0x00007f25b3ac670d in QLayout::activate (this=0x1e3f8d0) at kernel/qlayout.cpp:1259
#80 0x00007f25b3aec4af in QWidget::setVisible (this=0x2201830, visible=<optimized out>) at kernel/qwidget.cpp:7749
#81 0x00007f25b4615544 in KoMainWindow::closeEvent (this=0x1d0e060, e=0x7ffff389f8b0) at /build/buildd/calligra-2.7.1/libs/main/KoMainWindow.cpp:1140
#82 0x00007f25b3ae8ca0 in QWidget::event (this=this@entry=0x1d0e060, event=event@entry=0x7ffff389f8b0) at kernel/qwidget.cpp:8544
#83 0x00007f25b3eb498b in QMainWindow::event (this=this@entry=0x1d0e060, event=event@entry=0x7ffff389f8b0) at widgets/qmainwindow.cpp:1478
#84 0x00007f25b0d05023 in KMainWindow::event (this=this@entry=0x1d0e060, ev=ev@entry=0x7ffff389f8b0) at ../../kdeui/widgets/kmainwindow.cpp:1084
#85 0x00007f25b0d42218 in KXmlGuiWindow::event (this=0x1d0e060, ev=0x7ffff389f8b0) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:126
#86 0x00007f25b3a9b8ec in QApplicationPrivate::notify_helper (this=this@entry=0x1bc0570, receiver=receiver@entry=0x1d0e060, e=e@entry=0x7ffff389f8b0) at kernel/qapplication.cpp:4567
#87 0x00007f25b3a9e25b in QApplication::notify (this=0x7ffff38a02d0, receiver=receiver@entry=0x1d0e060, e=e@entry=0x7ffff389f8b0) at kernel/qapplication.cpp:4428
#88 0x00007f25b45d99e8 in KoApplication::notify (this=<optimized out>, receiver=0x1d0e060, event=0x7ffff389f8b0) at /build/buildd/calligra-2.7.1/libs/main/KoApplication.cpp:556
#89 0x00007f25b30b163e in QCoreApplication::notifyInternal (this=0x7ffff38a02d0, receiver=receiver@entry=0x1d0e060, event=event@entry=0x7ffff389f8b0) at kernel/qcoreapplication.cpp:946
#90 0x00007f25b3ae7f21 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#91 QWidgetPrivate::close_helper (this=0x1e3f6a0, mode=mode@entry=QWidgetPrivate::CloseWithSpontaneousEvent) at kernel/qwidget.cpp:7941
#92 0x00007f25b3b05f9e in QETWidget::translateCloseEvent (this=this@entry=0x1d0e060) at kernel/qapplication_x11.cpp:5819
#93 0x00007f25b3b08e7f in QApplication::x11ClientMessage (this=<optimized out>, w=0x1d0e060, event=<optimized out>, passive_only=<optimized out>) at kernel/qapplication_x11.cpp:3201
#94 0x00007f25b3b15c1f in QApplication::x11ProcessEvent (this=0x7ffff38a02d0, event=event@entry=0x7ffff389fe80) at kernel/qapplication_x11.cpp:3885
#95 0x00007f25b3b41042 in x11EventSourceDispatch (s=0x1bc58c0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#96 0x00007f25aef4cf05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#97 0x00007f25aef4d248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#98 0x00007f25aef4d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#99 0x00007f25b30e0016 in QEventDispatcherGlib::processEvents (this=0x1b29b30, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#100 0x00007f25b3b4113e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#101 0x00007f25b30b038f in QEventLoop::processEvents (this=this@entry=0x7ffff38a0250, flags=...) at kernel/qeventloop.cpp:149
#102 0x00007f25b30b0618 in QEventLoop::exec (this=this@entry=0x7ffff38a0250, flags=...) at kernel/qeventloop.cpp:204
#103 0x00007f25b30b5cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#104 0x00007f25b4f05e81 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_karbon.so
#105 0x00007f25b4b5eea5 in __libc_start_main (main=0x4006d0, argc=2, ubp_av=0x7ffff38a03e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffff38a03d8) at libc-start.c:260
#106 0x0000000000400701 in _start ()

Reported using DrKonqi