Application: kate (3.8.1)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.2.0-20-generic-pae i686
Distribution: Ubuntu precise (development branch)

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

I was editing some code, right clicked somewhere by accident, and Kate crashed without any apparent reason. Nothing seemed wrong before.

-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb4cd0980 (LWP 1875))]

Thread 3 (Thread 0xb1f6cb40 (LWP 1891)):
#0  0xb770c424 in __kernel_vsyscall ()
#1  0xb5e6296b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb763b3dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb21d1009 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb21d104f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb5e5ed4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb762dace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xb00aab40 (LWP 1948)):
#0  0xb5e61c64 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb763b634 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb5dcb720 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb5d8c26b in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb613b067 in QEventDispatcherGlib::processEvents (this=0xaf700468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0xb6106c8d in QEventLoop::processEvents (this=0xb00aa240, flags=...) at kernel/qeventloop.cpp:149
#6  0xb6106f29 in QEventLoop::exec (this=0xb00aa240, flags=...) at kernel/qeventloop.cpp:204
#7  0xb5ff094c in QThread::exec (this=0xa591ae0) at thread/qthread.cpp:501
#8  0xb60e42dd in QInotifyFileSystemWatcherEngine::run (this=0xa591ae0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0xb5ff3de0 in QThreadPrivate::start (arg=0xa591ae0) at thread/qthread_unix.cpp:298
#10 0xb5e5ed4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0xb762dace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb4cd0980 (LWP 1875)):
[KCrash Handler]
#7  0xb65f0696 in KToolBar::Private::findAction (this=0xa228500, actionName=..., clientOut=0x0) at ../../kdeui/widgets/ktoolbar.cpp:548
#8  0xb65f0e3e in KToolBar::Private::slotContextAboutToShow (this=0xa228500) at ../../kdeui/widgets/ktoolbar.cpp:574
#9  0xb65f2a9b in qt_static_metacall (_a=0xbfc2c220, _id=2, _o=0xa21eb10, _c=<optimized out>) at ./ktoolbar.moc:73
#10 KToolBar::qt_static_metacall (_o=0xa21eb10, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfc2c220) at ./ktoolbar.moc:65
#11 0xb611ee31 in QMetaObject::activate (sender=0xa72a270, m=0xb7528b74, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#12 0xb7065565 in QMenu::aboutToShow (this=0xa72a270) at .moc/release-shared/moc_qmenu.cpp:165
#13 0xb7069250 in QMenu::popup (this=0xa72a270, p=..., atAction=0x0) at widgets/qmenu.cpp:1832
#14 0xb7069f7f in QMenu::exec (this=0xa72a270, p=..., action=0x0) at widgets/qmenu.cpp:2101
#15 0xb65f0d90 in contextMenuEvent (event=0xa7b4480, this=0xa21eb10) at ../../kdeui/widgets/ktoolbar.cpp:873
#16 KToolBar::contextMenuEvent (this=0xa21eb10, event=0xa7b4480) at ../../kdeui/widgets/ktoolbar.cpp:867
#17 0xb6c06d93 in QWidget::event (this=0xa21eb10, event=0xa7b4480) at kernel/qwidget.cpp:8528
#18 0xb70aa0b4 in QToolBar::event (this=0xa21eb10, event=0xa7b4480) at widgets/qtoolbar.cpp:1250
#19 0xb6babd24 in notify_helper (e=0xa7b4480, receiver=0xa21eb10, this=0x9e606a8) at kernel/qapplication.cpp:4555
#20 QApplicationPrivate::notify_helper (this=0x9e606a8, receiver=0xa21eb10, e=0xa7b4480) at kernel/qapplication.cpp:4527
#21 0xb6bb17b0 in QApplication::notify (this=0xa21eb10, receiver=0xa21eb10, e=0xa7b4480) at kernel/qapplication.cpp:4177
#22 0xb64d6801 in KApplication::notify (this=0xbfc2cd20, receiver=0xa21eb10, event=0xa7b4480) at ../../kdeui/kernel/kapplication.cpp:311
#23 0xb61080fe in QCoreApplication::notifyInternal (this=0xbfc2cd20, receiver=0xa21eb10, event=0xa7b4480) at kernel/qcoreapplication.cpp:876
#24 0xb610c258 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9e37370) at kernel/qcoreapplication.cpp:1500
#26 0xb610c58c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#27 0xb613ac14 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#28 postEventSourceDispatch (s=0x9e5f178) at kernel/qeventdispatcher_glib.cpp:279
#29 0xb5d8bd7a in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#30 0xb5d8c185 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#31 0xb5d8c261 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#32 0xb613b007 in QEventDispatcherGlib::processEvents (this=0x9e37ed8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#33 0xb6c6489a in QGuiEventDispatcherGlib::processEvents (this=0x9e37ed8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#34 0xb6106c8d in QEventLoop::processEvents (this=0xbfc2cc54, flags=...) at kernel/qeventloop.cpp:149
#35 0xb6106f29 in QEventLoop::exec (this=0xbfc2cc54, flags=...) at kernel/qeventloop.cpp:204
#36 0xb610c63a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#37 0xb6ba98c4 in QApplication::exec () at kernel/qapplication.cpp:3816
#38 0xb7703905 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kate.so
#39 0x080484fb in ?? ()
#40 0xb755c4d3 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#41 0x08048521 in _start ()

Reported using DrKonqi