Application: keditbookmarks (4.5.4 (KDE 4.5.4))
KDE Platform Version: 4.5.4 (KDE 4.5.4)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-24-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
I was sorting my bookmarks and bookmark folders and when I dropped the icon in the desired position it just suddenly crashed

The crash can be reproduced some of the time.

-- Backtrace:
Application: Bookmark Editor (keditbookmarks), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f0c8f25d760 (LWP 4072))]

Thread 2 (Thread 0x7f0c7cf73700 (LWP 4073)):
#0  0x00007f0c8eb91203 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f0c87f37009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f0c87f3745c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f0c8c4451e6 in QEventDispatcherGlib::processEvents (this=0x15f0920, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f0c8c417a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f0c8c417dec in QEventLoop::exec (this=0x7f0c7cf72db0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f0c8c3222fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f0c8c3f75f8 in QInotifyFileSystemWatcherEngine::run (this=0x15fcf00) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f0c8c32527e in QThreadPrivate::start (arg=0x15fcf00) at thread/qthread_unix.cpp:266
#9  0x00007f0c8b001971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007f0c8eb9d92d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0c8f25d760 (LWP 4072)):
[KCrash Handler]
#6  qDeleteAll<QList<TreeItem*>::const_iterator> (this=0x14212c0, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#7  qDeleteAll<QList<TreeItem*> > (this=0x14212c0, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:330
#8  TreeItem::~TreeItem (this=0x14212c0, __in_chrg=<value optimized out>) at ../../../../apps/keditbookmarks/kbookmarkmodel/treeitem.cpp:29
#9  0x00007f0c8e8b19c1 in TreeItem::deleteChildren (this=0x1465200, first=<value optimized out>, last=<value optimized out>) at ../../../../apps/keditbookmarks/kbookmarkmodel/treeitem.cpp:80
#10 0x00007f0c8e8af5d6 in KBookmarkModel::removeBookmark (this=0x14212c0, bookmark=) at ../../../../apps/keditbookmarks/kbookmarkmodel/model.cpp:445
#11 0x00007f0c8e8aad1a in CreateCommand::undo (this=0x143a410) at ../../../../apps/keditbookmarks/kbookmarkmodel/commands.cpp:156
#12 0x00007f0c8e8ad363 in DeleteCommand::redo (this=0x1438e60) at ../../../../apps/keditbookmarks/kbookmarkmodel/commands.cpp:315
#13 0x00007f0c8d486ba9 in QUndoCommand::redo (this=0x1522ff0) at util/qundostack.cpp:208
#14 0x00007f0c8e8ad5e3 in DeleteCommand::redo (this=0x1435c60) at ../../../../apps/keditbookmarks/kbookmarkmodel/commands.cpp:306
#15 0x00007f0c8d486ba9 in QUndoCommand::redo (this=0x14648b0) at util/qundostack.cpp:208
#16 0x00007f0c8e8ad5e3 in DeleteCommand::redo (this=0x142de10) at ../../../../apps/keditbookmarks/kbookmarkmodel/commands.cpp:306
#17 0x00007f0c8e8ab8ac in MoveCommand::redo (this=0x145a890) at ../../../../apps/keditbookmarks/kbookmarkmodel/commands.cpp:372
#18 0x00007f0c8d486ba9 in QUndoCommand::redo (this=0x1438910) at util/qundostack.cpp:208
#19 0x00007f0c8d488473 in QUndoStack::push (this=0x141c9c8, cmd=0x1462c08) at util/qundostack.cpp:541
#20 0x00007f0c8e8aa576 in CommandHistory::addCommand (this=0x1420ec0, cmd=0x1438910) at ../../../../apps/keditbookmarks/kbookmarkmodel/commandhistory.cpp:103
#21 0x00007f0c8e8b045d in KBookmarkModel::dropMimeData (this=0x14212c0, data=0x7fff17172080, action=<value optimized out>, row=<value optimized out>, column=<value optimized out>, parent=<value optimized out>) at ../../../../apps/keditbookmarks/kbookmarkmodel/model.cpp:375
#22 0x00007f0c8d31dcad in QAbstractItemView::dropEvent (this=0x15c54b0, event=0x7fff17172db0) at itemviews/qabstractitemview.cpp:1981
#23 0x00007f0c8ce2601c in QWidget::event (this=0x15c54b0, event=0x7fff17172db0) at kernel/qwidget.cpp:8377
#24 0x00007f0c8d1f15e6 in QFrame::event (this=0x15c54b0, e=0x7fff17172db0) at widgets/qframe.cpp:557
#25 0x00007f0c8d32aa8b in QAbstractItemView::viewportEvent (this=0x15c54b0, event=0x7fff17172db0) at itemviews/qabstractitemview.cpp:1619
#26 0x00007f0c8d368d65 in QTreeView::viewportEvent (this=0x15c54b0, event=0x7fff17172db0) at itemviews/qtreeview.cpp:1256
#27 0x00007f0c8c418507 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x15c4790, event=0x7fff17172db0) at kernel/qcoreapplication.cpp:847
#28 0x00007f0c8cdcffac in QApplicationPrivate::notify_helper (this=0x131e140, receiver=0x15c4790, e=0x7fff17172db0) at kernel/qapplication.cpp:4392
#29 0x00007f0c8cdd5d82 in QApplication::notify (this=<value optimized out>, receiver=0x15c4790, e=0x7fff17172db0) at kernel/qapplication.cpp:4202
#30 0x00007f0c8db23576 in KApplication::notify (this=0x7fff17176230, receiver=0x15c4790, event=0x7fff17172db0) at ../../kdeui/kernel/kapplication.cpp:310
#31 0x00007f0c8c418cdc in QCoreApplication::notifyInternal (this=0x7fff17176230, receiver=0x15c4790, event=0x7fff17172db0) at kernel/qcoreapplication.cpp:732
#32 0x00007f0c8ce64e8d in sendEvent (this=<value optimized out>, xe=<value optimized out>, passive=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#33 QX11Data::xdndHandleDrop (this=<value optimized out>, xe=<value optimized out>, passive=<value optimized out>) at kernel/qdnd_x11.cpp:1183
#34 0x00007f0c8ce69763 in QDragManager::drop (this=0x174cbc0) at kernel/qdnd_x11.cpp:1725
#35 0x00007f0c8ce69928 in QDragManager::eventFilter (this=0x174cbc0, o=<value optimized out>, e=<value optimized out>) at kernel/qdnd_x11.cpp:1312
#36 0x00007f0c8c4185cb in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=0x131e140, receiver=0x1435c60, event=0x7fff171736b0) at kernel/qcoreapplication.cpp:828
#37 0x00007f0c8cdcff56 in QApplicationPrivate::notify_helper (this=0x14212c0, receiver=0x1462c08, e=0xffffffff8e8aedf0) at kernel/qapplication.cpp:4371
#38 0x00007f0c8cdd630e in QApplication::notify (this=0x7fff17176230, receiver=0x1435c60, e=0x7fff171736b0) at kernel/qapplication.cpp:3959
#39 0x00007f0c8db23576 in KApplication::notify (this=0x7fff17176230, receiver=0x1435c60, event=0x7fff171736b0) at ../../kdeui/kernel/kapplication.cpp:310
#40 0x00007f0c8c418cdc in QCoreApplication::notifyInternal (this=0x7fff17176230, receiver=0x1435c60, event=0x7fff171736b0) at kernel/qcoreapplication.cpp:732
#41 0x00007f0c8cdd4dbe in sendEvent (receiver=0x1435c60, event=0x7fff171736b0, alienWidget=0x0, nativeWidget=0x1435c60, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#42 QApplicationPrivate::sendMouseEvent (receiver=0x1435c60, event=0x7fff171736b0, alienWidget=0x0, nativeWidget=0x1435c60, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3058
#43 0x00007f0c8ce58345 in QETWidget::translateMouseEvent (this=0x1435c60, event=<value optimized out>) at kernel/qapplication_x11.cpp:4403
#44 0x00007f0c8ce56c5c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff17173fd0) at kernel/qapplication_x11.cpp:3536
#45 0x00007f0c8ce830e2 in x11EventSourceDispatch (s=0x1321ce0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#46 0x00007f0c87f33342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#47 0x00007f0c87f372a8 in ?? () from /lib/libglib-2.0.so.0
#48 0x00007f0c87f3745c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#49 0x00007f0c8c445193 in QEventDispatcherGlib::processEvents (this=0x1305c00, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#50 0x00007f0c8ce82a4e in QGuiEventDispatcherGlib::processEvents (this=0x14212c0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#51 0x00007f0c8c417a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#52 0x00007f0c8c417dec in QEventLoop::exec (this=0x1459ff0, flags=) at kernel/qeventloop.cpp:201
#53 0x00007f0c8ce6a00b in QDragManager::drag (this=0x174cbc0, o=<value optimized out>) at kernel/qdnd_x11.cpp:1981
#54 0x00007f0c8cde5f78 in QDrag::exec (this=0x157eab0, supportedActions=) at kernel/qdrag.cpp:284
#55 0x00007f0c8d3281d6 in QAbstractItemView::startDrag (this=0x15c54b0, supportedActions=<value optimized out>) at itemviews/qabstractitemview.cpp:3437
#56 0x00007f0c8d325b1e in QAbstractItemView::mouseMoveEvent (this=0x15c54b0, event=<value optimized out>) at itemviews/qabstractitemview.cpp:1700
#57 0x00007f0c8ce25cab in QWidget::event (this=0x15c54b0, event=0x7fff171753d0) at kernel/qwidget.cpp:8172
#58 0x00007f0c8d1f15e6 in QFrame::event (this=0x15c54b0, e=0x7fff171753d0) at widgets/qframe.cpp:557
#59 0x00007f0c8d32aa8b in QAbstractItemView::viewportEvent (this=0x15c54b0, event=0x7fff171753d0) at itemviews/qabstractitemview.cpp:1619
#60 0x00007f0c8d368d65 in QTreeView::viewportEvent (this=0x15c54b0, event=0x7fff171753d0) at itemviews/qtreeview.cpp:1256
#61 0x00007f0c8c418507 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x15c4790, event=0x7fff171753d0) at kernel/qcoreapplication.cpp:847
#62 0x00007f0c8cdcffac in QApplicationPrivate::notify_helper (this=0x131e140, receiver=0x15c4790, e=0x7fff171753d0) at kernel/qapplication.cpp:4392
#63 0x00007f0c8cdd630e in QApplication::notify (this=0x7fff17176230, receiver=0x15c4790, e=0x7fff171753d0) at kernel/qapplication.cpp:3959
#64 0x00007f0c8db23576 in KApplication::notify (this=0x7fff17176230, receiver=0x15c4790, event=0x7fff171753d0) at ../../kdeui/kernel/kapplication.cpp:310
#65 0x00007f0c8c418cdc in QCoreApplication::notifyInternal (this=0x7fff17176230, receiver=0x15c4790, event=0x7fff171753d0) at kernel/qcoreapplication.cpp:732
#66 0x00007f0c8cdd4dbe in sendEvent (receiver=0x15c4790, event=0x7fff171753d0, alienWidget=0x15c4790, nativeWidget=0x1399990, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#67 QApplicationPrivate::sendMouseEvent (receiver=0x15c4790, event=0x7fff171753d0, alienWidget=0x15c4790, nativeWidget=0x1399990, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3058
#68 0x00007f0c8ce58345 in QETWidget::translateMouseEvent (this=0x1399990, event=<value optimized out>) at kernel/qapplication_x11.cpp:4403
#69 0x00007f0c8ce56c5c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff17175cf0) at kernel/qapplication_x11.cpp:3536
#70 0x00007f0c8ce830e2 in x11EventSourceDispatch (s=0x1321ce0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#71 0x00007f0c87f33342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#72 0x00007f0c87f372a8 in ?? () from /lib/libglib-2.0.so.0
#73 0x00007f0c87f3745c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#74 0x00007f0c8c445193 in QEventDispatcherGlib::processEvents (this=0x1305c00, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#75 0x00007f0c8ce82a4e in QGuiEventDispatcherGlib::processEvents (this=0x14212c0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#76 0x00007f0c8c417a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#77 0x00007f0c8c417dec in QEventLoop::exec (this=0x7fff17176020, flags=) at kernel/qeventloop.cpp:201
#78 0x00007f0c8c41bebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#79 0x00007f0c8ee55367 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../apps/keditbookmarks/main.cpp:212
#80 0x00007f0c8ead5d8e in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff17176e58) at libc-start.c:226
#81 0x0000000000400669 in _start ()

Reported using DrKonqi