Application: okular (0.9.80)
KDE Platform Version: 4.3.85 (KDE 4.3.85 (KDE 4.4 Beta2))
Qt Version: 4.6.0
Operating System: Linux 2.6.31-16-generic i686
Distribution: Ubuntu 9.10

-- Information about the crash:
i'm open the pdf file, using scroll very fast then okular crash.

 -- Backtrace:
Application: Okular (okular), signal: Aborted
[Current thread is 1 (Thread 0xb78b1760 (LWP 10667))]

Thread 3 (Thread 0xb4cf8b70 (LWP 10698)):
#0  0x05990e06 in clock_gettime () from /lib/tls/i686/cmov/librt.so.1
#1  0x00d02d1b in ?? () from /usr/lib/libQtCore.so.4
#2  0x00d07de5 in ?? () from /usr/lib/libQtCore.so.4
#3  0x00d07e2a in ?? () from /usr/lib/libQtCore.so.4
#4  0x00d05e18 in ?? () from /usr/lib/libQtCore.so.4
#5  0x00d05ea5 in ?? () from /usr/lib/libQtCore.so.4
#6  0x05ce7f90 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#7  0x05ce8351 in ?? () from /lib/libglib-2.0.so.0
#8  0x05ce8863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#9  0x00d05c0f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#10 0x00cd84c9 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#11 0x00cd891a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#12 0x00bd5558 in QThread::exec() () from /usr/lib/libQtCore.so.4
#13 0x00cb829b in ?? () from /usr/lib/libQtCore.so.4
#14 0x00bd83ae in ?? () from /usr/lib/libQtCore.so.4
#15 0x001c980e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#16 0x03c047ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xb44f7b70 (LWP 12517)):
[KCrash Handler]
#6  0x0055d422 in __kernel_vsyscall ()
#7  0x03b624d1 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0x03b65932 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0x03b98ee5 in ?? () from /lib/tls/i686/cmov/libc.so.6
#10 0x03ba2ff1 in ?? () from /lib/tls/i686/cmov/libc.so.6
#11 0x03ba7806 in free () from /lib/tls/i686/cmov/libc.so.6
#12 0x07b276f1 in operator delete(void*) () from /usr/lib/libstdc++.so.6
#13 0x02498c07 in GfxState::restore() () from /usr/lib/libpoppler.so.5
#14 0x024780e8 in Gfx::restoreState() () from /usr/lib/libpoppler.so.5
#15 0x0247812d in Gfx::opRestore(Object*, int) () from /usr/lib/libpoppler.so.5
#16 0x02478606 in Gfx::execOp(Object*, Object*, int) () from /usr/lib/libpoppler.so.5
#17 0x02478c29 in Gfx::go(int) () from /usr/lib/libpoppler.so.5
#18 0x0247bc89 in Gfx::display(Object*, int) () from /usr/lib/libpoppler.so.5
#19 0x0247f3a7 in Gfx::doForm1(Object*, Dict*, double*, double*, int, int, GfxColorSpace*, int, int, int, Function*, GfxColor*) () from /usr/lib/libpoppler.so.5
#20 0x0247ff74 in Gfx::doTilingPatternFill(GfxTilingPattern*, int, int) () from /usr/lib/libpoppler.so.5
#21 0x02480533 in Gfx::doPatternFill(int) () from /usr/lib/libpoppler.so.5
#22 0x02480c20 in Gfx::opFill(Object*, int) () from /usr/lib/libpoppler.so.5
#23 0x02478606 in Gfx::execOp(Object*, Object*, int) () from /usr/lib/libpoppler.so.5
#24 0x02478c29 in Gfx::go(int) () from /usr/lib/libpoppler.so.5
#25 0x0247bc89 in Gfx::display(Object*, int) () from /usr/lib/libpoppler.so.5
#26 0x024c69f0 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
#27 0x024ca527 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
#28 0x01fdce74 in Poppler::Page::renderToImage(double, double, int, int, int, int, Poppler::Page::Rotation) const () from /usr/lib/libpoppler-qt4.so.3
#29 0x02efc977 in ?? () from /usr/lib/kde4/okularGenerator_poppler.so
#30 0x00bd83ae in ?? () from /usr/lib/libQtCore.so.4
#31 0x001c980e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#32 0x03c047ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb78b1760 (LWP 10667)):
#0  0x0055d422 in __kernel_vsyscall ()
#1  0x03bf6ba6 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0x02a75d80 in ?? () from /usr/lib/libxcb.so.1
#3  0x02a779d2 in xcb_wait_for_reply () from /usr/lib/libxcb.so.1
#4  0x07d37506 in _XReply () from /usr/lib/libX11.so.6
#5  0x07d24e8d in XQueryPointer () from /usr/lib/libX11.so.6
#6  0x01092420 in QCursor::pos() () from /usr/lib/libQtGui.so.4
#7  0x01db6d7c in ?? () from /usr/lib/kde4/okularpart.so
#8  0x01053c52 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x0144c433 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x014e5cf2 in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#11 0x01daf870 in ?? () from /usr/lib/kde4/okularpart.so
#12 0x014e85e5 in ?? () from /usr/lib/libQtGui.so.4
#13 0x00cd914a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#14 0x00ff6179 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x00ffd488 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0x0073b0fa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#17 0x00cd9eab in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#18 0x01075cc3 in ?? () from /usr/lib/libQtGui.so.4
#19 0x01086367 in ?? () from /usr/lib/libQtGui.so.4
#20 0x010851f1 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#21 0x010b404a in ?? () from /usr/lib/libQtGui.so.4
#22 0x05ce4e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x05ce8730 in ?? () from /lib/libglib-2.0.so.0
#24 0x05ce8863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x00d05bd5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#26 0x010b3b75 in ?? () from /usr/lib/libQtGui.so.4
#27 0x00cd84c9 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0x00cd891a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#29 0x00cdcb0f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#30 0x00ff6237 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#31 0x0804ef39 in _start ()

Reported using DrKonqi