Application that crashed: kwatchgnupg
Version of the application: 1.0
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30.5-43.fc11.i586 i686

What I was doing when the application crashed:
Crashed after restarting gpg-agent, but unable to reproduce.
Steps:
Opened kleopatra and played around with it.
then:

#pkill -9 gpg-agent
#eval "$(gpg-agent --daemon)"
<crash>

 -- Backtrace:
Application: KWatchGnuPG (kwatchgnupg), signal: Segmentation fault
[KCrash Handler]
#6  memmove () at ../sysdeps/i386/i686/memmove.S:68
#7  0x08050d8c in QVector<int>::detach_helper (this=<value optimized out>) at /usr/include/bits/string3.h:59
#8  QVector<int>::detach (this=<value optimized out>) at /usr/include/QtCore/qvector.h:129
#9  QVector<int>::erase (this=<value optimized out>) at /usr/include/QtCore/qvector.h:580
#10 KDLogTextWidget::Private::enforceHistorySize (this=<value optimized out>) at /usr/src/debug/kdepim-4.3.1/kleopatra/utils/kdlogtextwidget.cpp:426
#11 0x08052130 in KDLogTextWidget::Private::addPendingLines (this=0x8ef70a8) at /usr/src/debug/kdepim-4.3.1/kleopatra/utils/kdlogtextwidget.cpp:498
#12 0x08052280 in KDLogTextWidget::timerEvent (this=0x8f61490, e=0xfffffc1c) at /usr/src/debug/kdepim-4.3.1/kleopatra/utils/kdlogtextwidget.cpp:326
#13 0x05ab696f in QObject::event (this=0x8f61490, e=0xbfb4c1d0) at kernel/qobject.cpp:1075
#14 0x05f90496 in QWidget::event (this=0x8f61490, event=0xbfb4c1d0) at kernel/qwidget.cpp:7946
#15 0x0633e463 in QFrame::event (this=0x8f61490, e=0xbfb4c1d0) at widgets/qframe.cpp:559
#16 0x063de0ab in QAbstractScrollArea::event (this=0x8f61490, e=0xbfb4c1d0) at widgets/qabstractscrollarea.cpp:918
#17 0x05f3b974 in QApplicationPrivate::notify_helper (this=0x8e52c90, receiver=0x8f61490, e=0xbfb4c1d0) at kernel/qapplication.cpp:4056
#18 0x05f4303a in QApplication::notify (this=0xbfb4c504, receiver=0x8f61490, e=0xbfb4c1d0) at kernel/qapplication.cpp:4021
#19 0x0698960a in KApplication::notify (this=0xbfb4c504, receiver=0x8f61490, event=0xbfb4c1d0) at /usr/src/debug/kdelibs-4.3.1/kdeui/kernel/kapplication.cpp:302
#20 0x05aa6b0b in QCoreApplication::notifyInternal (this=0xbfb4c504, receiver=0x8f61490, event=0xbfb4c1d0) at kernel/qcoreapplication.cpp:610
#21 0x05ad3d7e in QCoreApplication::sendEvent (event=<value optimized out>, receiver=<value optimized out>) at kernel/qcoreapplication.h:213
#22 QTimerInfoList::activateTimers (event=<value optimized out>, receiver=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:572
#23 0x05ad16a0 in timerSourceDispatch (source=0x8e55940) at kernel/qeventdispatcher_glib.cpp:165
#24 0x058be308 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#25 0x058c19e0 in ?? () from /lib/libglib-2.0.so.0
#26 0x058c1b13 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#27 0x05ad15ec in QEventDispatcherGlib::processEvents (this=0x8e32688, flags={i = 36}) at kernel/qeventdispatcher_glib.cpp:327
#28 0x05fdacb5 in QGuiEventDispatcherGlib::processEvents (this=0x8e32688, flags={i = 36}) at kernel/qguieventdispatcher_glib.cpp:202
#29 0x05aa50d9 in QEventLoop::processEvents (this=0xbfb4c494, flags={i = 36}) at kernel/qeventloop.cpp:149
#30 0x05aa552a in QEventLoop::exec (this=0xbfb4c494, flags={i = 0}) at kernel/qeventloop.cpp:201
#31 0x05aa79af in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#32 0x05f3b7f7 in QApplication::exec () at kernel/qapplication.cpp:3525
#33 0x0805b95c in main (argc=1, argv=0xbfb4c5f4) at /usr/src/debug/kdepim-4.3.1/kleopatra/kwatchgnupg/main.cpp:92

Reported using DrKonqi