Application that crashed: okular
Version of the application: 0.9.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-19-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
all i know is in title

 -- Backtrace:
Application: Okular (okular), signal: Segmentation fault
[Current thread is 1 (Thread 0xb788c700 (LWP 2379))]

Thread 2 (Thread 0xb4d31b70 (LWP 6270)):
[KCrash Handler]
#6  0x096016a6 in FcConfigSubstituteWithPat () from /usr/lib/libfontconfig.so.1
#7  0x09601d67 in FcConfigSubstitute () from /usr/lib/libfontconfig.so.1
#8  0x01f97306 in GlobalParams::getDisplayFont(GfxFont*) () from /usr/lib/libpoppler.so.5
#9  0x01f24792 in SplashOutputDev::doUpdateFont(GfxState*) () from /usr/lib/libpoppler.so.5
#10 0x01f24aad in SplashOutputDev::drawChar(GfxState*, double, double, double, double, double, double, unsigned int, int, unsigned int*, int) () from /usr/lib/libpoppler.so.5
#11 0x01f6e787 in Gfx::doShowText(GooString*) () from /usr/lib/libpoppler.so.5
#12 0x01f6eaa6 in Gfx::opShowText(Object*, int) () from /usr/lib/libpoppler.so.5
#13 0x01f65606 in Gfx::execOp(Object*, Object*, int) () from /usr/lib/libpoppler.so.5
#14 0x01f65c29 in Gfx::go(int) () from /usr/lib/libpoppler.so.5
#15 0x01f68c89 in Gfx::display(Object*, int) () from /usr/lib/libpoppler.so.5
#16 0x01fb39f0 in Page::displaySlice(OutputDev*, double, double, int, int, int, int, int, int, int, int, Catalog*, int (*)(void*), void*, int (*)(Annot*, void*), void*) ()
   from /usr/lib/libpoppler.so.5
#17 0x01fb7527 in PDFDoc::displayPageSlice(OutputDev*, int, double, double, int, int, int, int, int, int, int, int, int (*)(void*), void*, int (*)(Annot*, void*), void*) ()
   from /usr/lib/libpoppler.so.5
#18 0x01e83e74 in Poppler::Page::renderToImage(double, double, int, int, int, int, Poppler::Page::Rotation) const () from /usr/lib/libpoppler-qt4.so.3
#19 0x01e51b15 in ?? () from /usr/lib/kde4/okularGenerator_poppler.so
#20 0x0074be32 in ?? () from /usr/lib/libQtCore.so.4
#21 0x03ec780e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#22 0x063208de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb788c700 (LWP 2379)):
#0  0x0036a422 in __kernel_vsyscall ()
#1  0x06312c96 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0x0225ad80 in ?? () from /usr/lib/libxcb.so.1
#3  0x0225c9d2 in xcb_wait_for_reply () from /usr/lib/libxcb.so.1
#4  0x0312c506 in _XReply () from /usr/lib/libX11.so.6
#5  0x03109519 in XGetImage () from /usr/lib/libX11.so.6
#6  0x0100876b in QX11PixmapData::toImage() const () from /usr/lib/libQtGui.so.4
#7  0x00ff6b3b in QPixmap::toImage() const () from /usr/lib/libQtGui.so.4
#8  0x05c54b53 in ?? () from /usr/lib/kde4/okularpart.so
#9  0x05c554e4 in ?? () from /usr/lib/kde4/okularpart.so
#10 0x05c67737 in ?? () from /usr/lib/kde4/okularpart.so
#11 0x05c6863f in ?? () from /usr/lib/kde4/okularpart.so
#12 0x00f7cdd4 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x05c77a00 in ?? () from /usr/lib/kde4/okularpart.so
#14 0x00f27f54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x00f2f5ca in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0x0053dbfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#17 0x0083c6cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#18 0x00f84e25 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQtGui.so.4
#19 0x01113233 in ?? () from /usr/lib/libQtGui.so.4
#20 0x00f76116 in QWidgetPrivate::syncBackingStore() () from /usr/lib/libQtGui.so.4
#21 0x00f7d215 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x0134a297 in QMainWindow::event(QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x00623dc4 in KMainWindow::event(QEvent*) () from /usr/lib/libkdeui.so.5
#24 0x0066a30f in KXmlGuiWindow::event(QEvent*) () from /usr/lib/libkdeui.so.5
#25 0x00f27f54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#26 0x00f2f5ca in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#27 0x0053dbfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#28 0x0083c6cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#29 0x0083d2b2 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#30 0x0083d47d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#31 0x008673ff in ?? () from /usr/lib/libQtCore.so.4
#32 0x0579be88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#33 0x0579f730 in ?? () from /lib/libglib-2.0.so.0
#34 0x0579f863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#35 0x0086702c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0x00fc8be5 in ?? () from /usr/lib/libQtGui.so.4
#37 0x0083ac79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#38 0x0083b0ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#39 0x0083d53f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#40 0x00f27dd7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#41 0x0804eec9 in _start ()

Reported using DrKonqi