Application: kmail (4.11)
KDE Platform Version: 4.11.00
Qt Version: 4.8.2
Operating System: Linux 3.5.0-18-generic x86_64
Distribution: Ubuntu 12.04.3 LTS

-- Information about the crash:
I was trying to send a letter. It stuck unsent after clicking the send button. I waited for a few minutes, then I clicked 'settings' and KMail crashed

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7889a2b7c0 (LWP 10062))]

Thread 5 (Thread 0x7f785f975700 (LWP 10068)):
#0  0x00007f787ee2683b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f787ee26f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f787ee27164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f78883bc926 in QEventDispatcherGlib::processEvents (this=0x7f78580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f788838be62 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f788838c0b7 in QEventLoop::exec (this=0x7f785f974d90, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f788828b077 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f788836bb6f in QInotifyFileSystemWatcherEngine::run (this=0xfd9050) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f788828e09b in QThreadPrivate::start (arg=0xfd9050) at thread/qthread_unix.cpp:307
#9  0x00007f7884834e9a in start_thread (arg=0x7f785f975700) at pthread_create.c:308
#10 0x00007f7886d61ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f785c94c700 (LWP 10088)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f787b978dec in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f787b978f19 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f7884834e9a in start_thread (arg=0x7f785c94c700) at pthread_create.c:308
#4  0x00007f7886d61ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f7857fff700 (LWP 10089)):
#0  0x00007f787ee26846 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f787ee26f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f787ee27164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f78883bc926 in QEventDispatcherGlib::processEvents (this=0x7f78500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f788838be62 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f788838c0b7 in QEventLoop::exec (this=0x7f7857ffedc0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f788828b077 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f788828e09b in QThreadPrivate::start (arg=0x1757280) at thread/qthread_unix.cpp:307
#8  0x00007f7884834e9a in start_thread (arg=0x7f7857fff700) at pthread_create.c:308
#9  0x00007f7886d61ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f780fb5b700 (LWP 10408)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f7873caf022 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f7873caf059 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f7884834e9a in start_thread (arg=0x7f780fb5b700) at pthread_create.c:308
#4  0x00007f7886d61ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7889a2b7c0 (LWP 10062)):
[KCrash Handler]
#6  0x00007f7873bcc6f3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#7  0x00007f7873c54073 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#8  0x00007f7873c547fc in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#9  0x00007f7873cf1787 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#10 0x00007f7873cf265e in QScriptEngine::QScriptEngine(QObject*) () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#11 0x00007f78782e1daf in Grantlee::ScriptableTagLibrary::ScriptableTagLibrary (this=0x24bc510, parent=<optimized out>) at /build/buildd/grantlee-0.3.0/templates/scriptabletags/scriptabletags.cpp:61
#12 0x00007f78782e280f in qt_plugin_instance () at /build/buildd/grantlee-0.3.0/templates/scriptabletags/scriptabletags.cpp:200
#13 0x00007f7888f55f38 in kde4Factory (lib=0x24bc890) at ../../kdecore/util/klibrary.cpp:149
#14 KLibrary::factory (this=0x24bc890, factoryname=0x24bc048 "kcm_kmail") at ../../kdecore/util/klibrary.cpp:169
#15 0x00007f7888f5c794 in KPluginLoader::factory (this=0x7fffadd0b840) at ../../kdecore/util/kpluginloader.cpp:212
#16 0x00007f7881c9c730 in createInstance<KCModule> (error=0x7fffadd0b940, args=..., parent=0x2471e30, parentWidget=0x0, this=0x245e420) at ../../kdecore/services/kservice.h:571
#17 createInstance<KCModule> (error=0x7fffadd0b940, args=..., parent=0x2471e30, this=0x245e420) at ../../kdecore/services/kservice.h:550
#18 KCModuleLoader::loadModule (mod=..., report=KCModuleLoader::Inline, parent=0x2471e30, args=...) at ../../kutils/kcmoduleloader.cpp:89
#19 0x00007f7881ca1668 in KCModuleProxyPrivate::loadModule (this=0x24b62d0) at ../../kutils/kcmoduleproxy.cpp:107
#20 0x00007f7881ca2435 in KCModuleProxy::realModule (this=<optimized out>) at ../../kutils/kcmoduleproxy.cpp:83
#21 0x00007f7881ca2739 in KCModuleProxy::useRootOnlyMessage (this=0x2471e30) at ../../kutils/kcmoduleproxy.cpp:316
#22 0x00007f7881c9e834 in KCMultiDialog::addModule (this=0x23ad640, moduleInfo=..., parentItem=0x0, args=...) at ../../kutils/kcmultidialog.cpp:390
#23 0x00007f7881c9f693 in KCMultiDialog::addModule (this=0x23ad640, path=..., args=...) at ../../kutils/kcmultidialog.cpp:371
#24 0x00007f788878c338 in ConfigureDialog::ConfigureDialog (this=0x23ad640, parent=<optimized out>, modal=<optimized out>) at ../../kmail/configuredialog/configuredialog.cpp:226
#25 0x00007f78887d9789 in KMKernel::slotShowConfigurationDialog (this=0x7fffadd0e160) at ../../kmail/kmkernel.cpp:1442
#26 0x00007f78887decb5 in KMKernel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7fffadd0c8d0) at ./kmkernel.moc:206
#27 0x00007f78883a1781 in QMetaObject::activate (sender=0x18d5af0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffadd0c8d0) at kernel/qobject.cpp:3547
#28 0x00007f7887708072 in QAction::triggered (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#29 0x00007f788770825f in QAction::activate (this=0x18d5af0, event=<optimized out>) at kernel/qaction.cpp:1257
#30 0x00007f7887b5a5e9 in QMenuPrivate::activateCausedStack (this=0x1966a00, causedStack=..., action=0x18d5af0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1028
#31 0x00007f7887b60742 in QMenuPrivate::activateAction (this=0x1966a00, action=0x18d5af0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1120
#32 0x00007f788950aab0 in KMenu::mouseReleaseEvent (this=0x184a130, e=0x7fffadd0d4a0) at ../../kdeui/widgets/kmenu.cpp:464
#33 0x00007f788775efb4 in QWidget::event (this=0x184a130, event=0x7fffadd0d4a0) at kernel/qwidget.cpp:8371
#34 0x00007f7887b61cdb in QMenu::event (this=0x184a130, e=0x7fffadd0d4a0) at widgets/qmenu.cpp:2469
#35 0x00007f788770e7b4 in notify_helper (e=0x7fffadd0d4a0, receiver=0x184a130, this=0xae9e20) at kernel/qapplication.cpp:4556
#36 QApplicationPrivate::notify_helper (this=0xae9e20, receiver=0x184a130, e=0x7fffadd0d4a0) at kernel/qapplication.cpp:4528
#37 0x00007f7887713f2f in QApplication::notify (this=<optimized out>, receiver=0x184a130, e=0x7fffadd0d4a0) at kernel/qapplication.cpp:4099
#38 0x00007f7889449d96 in KApplication::notify (this=0x7fffadd0e250, receiver=0x184a130, event=0x7fffadd0d4a0) at ../../kdeui/kernel/kapplication.cpp:311
#39 0x00007f788838d32c in QCoreApplication::notifyInternal (this=0x7fffadd0e250, receiver=0x184a130, event=0x7fffadd0d4a0) at kernel/qcoreapplication.cpp:915
#40 0x00007f788770f782 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#41 QApplicationPrivate::sendMouseEvent (receiver=0x184a130, event=0x7fffadd0d4a0, alienWidget=0x0, nativeWidget=0x184a130, buttonDown=0x0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3167
#42 0x00007f788778f1e1 in QETWidget::translateMouseEvent (this=0x184a130, event=<optimized out>) at kernel/qapplication_x11.cpp:4551
#43 0x00007f788778dace in QApplication::x11ProcessEvent (this=0x7fffadd0e250, event=0x7fffadd0dd70) at kernel/qapplication_x11.cpp:3732
#44 0x00007f78877b7052 in x11EventSourceDispatch (s=0xaff370, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#45 0x00007f787ee26d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f787ee270a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f787ee27164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f78883bc8bf in QEventDispatcherGlib::processEvents (this=0xa9bb00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#49 0x00007f78877b6cde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007f788838be62 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007f788838c0b7 in QEventLoop::exec (this=0x7fffadd0e110, flags=...) at kernel/qeventloop.cpp:204
#52 0x00007f7888391407 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#53 0x0000000000402cbb in main (argc=<optimized out>, argv=<optimized out>) at ../../kmail/main.cpp:146

Reported using DrKonqi