Application that crashed: okular
Version of the application: 0.9.4
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.32-8.slh.3-sidux-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
Generated a 100 Pages PDF with Lyx. Lyx opened Okular with the tempary document. I scrolled down a bit an okular crashed...

 -- Backtrace:
Application: Okular (okular), signal: Segmentation fault
The current source language is "auto; currently c".
[KCrash Handler]
#5  0x00007f7b4f4e861b in QMap<int, Okular::PagePrivate::PixmapObject>::findNode (this=0x23fd980, id=3, width=1050, height=1484) at /usr/include/qt4/QtCore/qmap.h:428
#6  QMap<int, Okular::PagePrivate::PixmapObject>::constFind (this=0x23fd980, id=3, width=1050, height=1484) at /usr/include/qt4/QtCore/qmap.h:559
#7  Okular::Page::hasPixmap (this=0x23fd980, id=3, width=1050, height=1484) at ../../okular/core/page.cpp:203
#8  0x00007f7b4f4d6a1a in Okular::DocumentPrivate::sendGeneratorRequest (this=0x205c160) at ../../okular/core/document.cpp:837
#9  0x00007f7b4f4dc84d in Okular::Document::qt_metacall (this=0x2066010, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff3057a0c0) at ./document.moc:145
#10 0x00007f7b59a36df2 in QMetaObject::activate (sender=0x2403ef0, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x5cc) at kernel/qobject.cpp:3112
#11 0x00007f7b59a3bf5f in QSingleShotTimer::timerEvent (this=0x2403ef0) at kernel/qtimer.cpp:298
#12 0x00007f7b59a31353 in QObject::event (this=0x2403ef0, e=0x3) at kernel/qobject.cpp:1074
#13 0x00007f7b58e9b01d in QApplicationPrivate::notify_helper (this=0x1f1b3d0, receiver=0x2403ef0, e=0x7fff3057a780) at kernel/qapplication.cpp:4065
#14 0x00007f7b58ea307a in QApplication::notify (this=0x7fff3057aae0, receiver=0x2403ef0, e=0x7fff3057a780) at kernel/qapplication.cpp:4030
#15 0x00007f7b5a63cde6 in KApplication::notify (this=0x7fff3057aae0, receiver=0x2403ef0, event=0x7fff3057a780) at ../../kdeui/kernel/kapplication.cpp:302
#16 0x00007f7b59a21c9c in QCoreApplication::notifyInternal (this=0x7fff3057aae0, receiver=0x2403ef0, event=0x7fff3057a780) at kernel/qcoreapplication.cpp:610
#17 0x00007f7b59a4e2c6 in QCoreApplication::sendEvent (this=0x1f1f0a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#18 QTimerInfoList::activateTimers (this=0x1f1f0a0) at kernel/qeventdispatcher_unix.cpp:580
#19 0x00007f7b59a4a658 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#20 idleTimerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#21 0x00007f7b5529190e in g_main_dispatch (context=0x1f1e120) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:1960
#22 IA__g_main_context_dispatch (context=0x1f1e120) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2513
#23 0x00007f7b552952c8 in g_main_context_iterate (context=0x1f1e120, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2591
#24 0x00007f7b552953f0 in IA__g_main_context_iteration (context=0x1f1e120, may_block=1) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2654
#25 0x00007f7b59a4a39c in QEventDispatcherGlib::processEvents (this=0x1f02160, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#26 0x00007f7b58f31f1f in QGuiEventDispatcherGlib::processEvents (this=0x23fd980, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#27 0x00007f7b59a20562 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f7b59a20934 in QEventLoop::exec (this=0x7fff3057aa30, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007f7b59a22ba4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#30 0x000000000040891c in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../okular/shell/main.cpp:81

Reported using DrKonqi