Application: konqueror (4.8.4 (4.8.4))
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-29-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I accidentally clicked both buttons on the back arrow, or something like that.

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe14801a780 (LWP 16808))]

Thread 4 (Thread 0x7fe135597700 (LWP 16809)):
#0  0x00007fe147873b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe140793036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe140793164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe145362426 in QEventDispatcherGlib::processEvents (this=0x7fe1300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fe145331c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe145331ed7 in QEventLoop::exec (this=0x7fe135596dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fe145230fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fe1465b87ce in KIO::NameLookUpThread::run (this=0xd5f190) at ../../kio/kio/hostinfo.cpp:226
#8  0x00007fe145233fcb in QThreadPrivate::start (arg=0xd5f190) at thread/qthread_unix.cpp:298
#9  0x00007fe140e53e9a in start_thread (arg=0x7fe135597700) at pthread_create.c:308
#10 0x00007fe14787f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fe12f13e700 (LWP 16818)):
#0  0x00007fe147873b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe140793036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe140793164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe145362426 in QEventDispatcherGlib::processEvents (this=0x7fe1240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fe145331c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe145331ed7 in QEventLoop::exec (this=0x7fe12f13ddd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fe145230fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fe1453119ff in QInotifyFileSystemWatcherEngine::run (this=0xf9df90) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fe145233fcb in QThreadPrivate::start (arg=0xf9df90) at thread/qthread_unix.cpp:298
#9  0x00007fe140e53e9a in start_thread (arg=0x7fe12f13e700) at pthread_create.c:308
#10 0x00007fe14787f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe0f5573700 (LWP 16633)):
#0  0x00007fe1478720bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007fe1407cd8cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe140792ba4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe140792fd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe140793164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe145362426 in QEventDispatcherGlib::processEvents (this=0x7fe100002290, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fe145331c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fe145331ed7 in QEventLoop::exec (this=0x7fe0f5572dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fe145230fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007fe1453119ff in QInotifyFileSystemWatcherEngine::run (this=0x14e3e9c0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007fe145233fcb in QThreadPrivate::start (arg=0x14e3e9c0) at thread/qthread_unix.cpp:298
#11 0x00007fe140e53e9a in start_thread (arg=0x7fe0f5573700) at pthread_create.c:308
#12 0x00007fe14787f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe14801a780 (LWP 16808)):
[KCrash Handler]
#6  KJS::SourceStream::operator<< (this=0x11, n=0x13797070) at ../../kjs/nodes2string.cpp:156
#7  0x00007fe12d496354 in operator<< <KJS::StatementNode> (n=..., this=0x11) at ../../kjs/nodes2string.cpp:82
#8  KJS::SourceElementsNode::streamTo (this=<optimized out>, s=...) at ../../kjs/nodes2string.cpp:819
#9  0x00007fe145e8c2ed in KToolBar::Private::findAction (this=<optimized out>, actionName=..., clientOut=0x0) at ../../kdeui/widgets/ktoolbar.cpp:548
#10 0x00007fe145e8c997 in KToolBar::Private::slotContextAboutToShow (this=0x1489e00) at ../../kdeui/widgets/ktoolbar.cpp:574
#11 0x00007fe145347281 in QMetaObject::activate (sender=0x3c024d80, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#12 0x00007fe1448865e2 in QMenu::popup (this=0x3c024d80, p=..., atAction=0x0) at widgets/qmenu.cpp:1832
#13 0x00007fe14488710d in QMenu::exec (this=<optimized out>, p=..., action=0x0) at widgets/qmenu.cpp:2110
#14 0x00007fe145e8c902 in contextMenuEvent (event=0x7fffb34092e0, this=0x1492a30) at ../../kdeui/widgets/ktoolbar.cpp:873
#15 KToolBar::contextMenuEvent (this=0x1492a30, event=0x7fffb34092e0) at ../../kdeui/widgets/ktoolbar.cpp:867
#16 0x00007fe144488e94 in QWidget::event (this=0x1492a30, event=0x7fffb34092e0) at kernel/qwidget.cpp:8529
#17 0x00007fe1448bfb7b in QToolBar::event (this=0x1492a30, event=0x7fffb34092e0) at widgets/qtoolbar.cpp:1250
#18 0x00007fe144438894 in notify_helper (e=0x7fffb34092e0, receiver=0x1492a30, this=0xd72c80) at kernel/qapplication.cpp:4559
#19 QApplicationPrivate::notify_helper (this=0xd72c80, receiver=0x1492a30, e=0x7fffb34092e0) at kernel/qapplication.cpp:4531
#20 0x00007fe14443dbcd in QApplication::notify (this=<optimized out>, receiver=0x1462b30, e=0x7fffb3409650) at kernel/qapplication.cpp:4181
#21 0x00007fe145d999e6 in KApplication::notify (this=0x7fffb340a460, receiver=0x1462b30, event=0x7fffb3409650) at ../../kdeui/kernel/kapplication.cpp:311
#22 0x00007fe145332e9c in QCoreApplication::notifyInternal (this=0x7fffb340a460, receiver=0x1462b30, event=0x7fffb3409650) at kernel/qcoreapplication.cpp:876
#23 0x00007fe1444b8c58 in sendSpontaneousEvent (event=0x7fffb3409650, receiver=0x1462b30) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#24 QETWidget::translateMouseEvent (this=<optimized out>, event=<optimized out>) at kernel/qapplication_x11.cpp:4622
#25 0x00007fe1444b7bae in QApplication::x11ProcessEvent (this=0x7fffb340a460, event=0x7fffb3409ef0) at kernel/qapplication_x11.cpp:3732
#26 0x00007fe1444e10d2 in x11EventSourceDispatch (s=0xd76540, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#27 0x00007fe140792d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fe1407930a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fe140793164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fe1453623bf in QEventDispatcherGlib::processEvents (this=0xd47b30, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#31 0x00007fe1444e0d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#32 0x00007fe145331c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#33 0x00007fe145331ed7 in QEventLoop::exec (this=0x7fffb340a290, flags=...) at kernel/qeventloop.cpp:204
#34 0x00007fe145336f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#35 0x00007fe147c0128a in kdemain (argc=<optimized out>, argv=<optimized out>) at ../../../konqueror/src/konqmain.cpp:242
#36 0x00007fe1477ae76d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=2, ubp_av=0x7fffb340ae18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffb340ae08) at libc-start.c:226
#37 0x0000000000400671 in _start ()

Reported using DrKonqi