Application that crashed: okular
Version of the application: 0.9.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.30-with-gcc-4.3.4-and-usb i686
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
trying to open big chm file.
during chm loading press close button
okular crashes
crashes only with chm files

 -- Backtrace:
Application: Okular (okular), signal: Segmentation fault
[KCrash Handler]
#6  Okular::Page::deletePixmap (this=0x0, id=2) at ../../okular/core/page.cpp:646
#7  0xb4905027 in Okular::Document::removeObserver (this=0x9559fe8, pObserver=0x954eb58) at ../../okular/core/document.cpp:1887
#8  0xb499af10 in ~Part (this=0x954eb48, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>) at ../../okular/part.cpp:618
#9  0x0804fa0a in ~Shell (this=0x9547f08, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>) at ../../../okular/shell/shell.cpp:140
#10 0xb76bbd35 in qDeleteInEventHandler (o=0x9abfa90) at kernel/qobject.cpp:3814
#11 0xb76bd60b in QObject::event (this=0x9547f08, e=0x99d4878) at kernel/qobject.cpp:1093
#12 0xb6d42300 in QWidget::event (this=0x9547f08, event=0x99d4878) at kernel/qwidget.cpp:7951
#13 0xb71058f7 in QMainWindow::event (this=0x9547f08, event=0x99d4878) at widgets/qmainwindow.cpp:1399
#14 0xb7d05797 in KMainWindow::event (this=0x9547f08, ev=0x99d4878) at ../../kdeui/widgets/kmainwindow.cpp:1094
#15 0xb7d4a39c in KXmlGuiWindow::event (this=0x9547f08, ev=0x99d4878) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:131
#16 0xb6ceca94 in QApplicationPrivate::notify_helper (this=0x94d1db8, receiver=0x9547f08, e=0x99d4878) at kernel/qapplication.cpp:4065
#17 0xb6cf4cc2 in QApplication::notify (this=0xbf878564, receiver=0x9547f08, e=0x99d4878) at kernel/qapplication.cpp:4030
#18 0xb7c230fd in KApplication::notify (this=0xbf878564, receiver=0x9547f08, event=0x99d4878) at ../../kdeui/kernel/kapplication.cpp:302
#19 0xb76ad1eb in QCoreApplication::notifyInternal (this=0xbf878564, receiver=0x9547f08, event=0x99d4878) at kernel/qcoreapplication.cpp:610
#20 0xb76ade2e in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x94bc800) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#21 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x94bc800) at kernel/qcoreapplication.cpp:1247
#22 0xb76ae00d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#23 0xb76d84cf in QCoreApplication::sendPostedEvents (s=0x94d4110) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#24 postEventSourceDispatch (s=0x94d4110) at kernel/qeventdispatcher_glib.cpp:276
#25 0xb647fe98 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#26 0xb6483623 in ?? () from /lib/libglib-2.0.so.0
#27 0xb64837a8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#28 0xb76d8041 in QEventDispatcherGlib::processEvents (this=0x94bc340, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#29 0xb6d8c305 in QGuiEventDispatcherGlib::processEvents (this=0x94bc340, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#30 0xb76ab83a in QEventLoop::processEvents (this=0xbf877598, flags=...) at kernel/qeventloop.cpp:149
#31 0xb76abc82 in QEventLoop::exec (this=0xbf877598, flags=...) at kernel/qeventloop.cpp:201
#32 0xb2f8e792 in CHMGenerator::preparePageForSyncOperation (this=0x97b4f20, zoom=100, url=...) at ../../../../okular/generators/chm/generator_chm.cpp:190
#33 0xb2f8fa60 in CHMGenerator::loadDocument (this=0x97b4f20, fileName=..., pagesVector=...) at ../../../../okular/generators/chm/generator_chm.cpp:147
#34 0xb490cb31 in Okular::DocumentPrivate::openDocumentInternal (this=0x95733a0, offer=..., isstdin=false, docFile=..., filedata=...) at ../../okular/core/document.cpp:644
#35 0xb4918e67 in Okular::Document::openDocument (this=0x9559fe8, docFile=..., url=..., _mime=...) at ../../okular/core/document.cpp:1634
#36 0xb49a4f2c in Part::openFile (this=0x954eb48) at ../../okular/part.cpp:921
#37 0xb807081a in KParts::ReadOnlyPart::openUrl (this=0x954eb48, url=...) at ../../kparts/part.cpp:557
#38 0xb4997d87 in Part::openUrl (this=0x954eb48, _url=...) at ../../okular/part.cpp:1040
#39 0x0805011e in Shell::openUrl (this=0x9547f08, url=...) at ../../../okular/shell/shell.cpp:151
#40 0x08050208 in Shell::delayedOpen (this=0x9547f08) at ../../../okular/shell/shell.cpp:134
#41 0x08051613 in Shell::qt_metacall (this=0x9547f08, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbf877de8) at ./shell.moc:88
#42 0xb76c2303 in QMetaObject::activate (sender=0x979c3f8, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3112
#43 0xb76c2f42 in QMetaObject::activate (sender=0x979c3f8, m=0xb779dd88, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3186
#44 0xb76c8007 in QSingleShotTimer::timeout (this=0x979c3f8) at .moc/release-shared/qtimer.moc:76
#45 0xb76c812c in QSingleShotTimer::timerEvent (this=0x979c3f8) at kernel/qtimer.cpp:298
#46 0xb76bd39f in QObject::event (this=0x979c3f8, e=0xbf87826c) at kernel/qobject.cpp:1074
#47 0xb6ceca94 in QApplicationPrivate::notify_helper (this=0x94d1db8, receiver=0x979c3f8, e=0xbf87826c) at kernel/qapplication.cpp:4065
#48 0xb6cf4bee in QApplication::notify (this=0xbf878564, receiver=0x979c3f8, e=0xbf87826c) at kernel/qapplication.cpp:3605
#49 0xb7c230fd in KApplication::notify (this=0xbf878564, receiver=0x979c3f8, event=0xbf87826c) at ../../kdeui/kernel/kapplication.cpp:302
#50 0xb76ad1eb in QCoreApplication::notifyInternal (this=0xbf878564, receiver=0x979c3f8, event=0xbf87826c) at kernel/qcoreapplication.cpp:610
#51 0xb76dbe21 in QCoreApplication::sendEvent (this=0x94d4f74) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#52 QTimerInfoList::activateTimers (this=0x94d4f74) at kernel/qeventdispatcher_unix.cpp:580
#53 0xb76d82e4 in timerSourceDispatch (source=0x94d4f40) at kernel/qeventdispatcher_glib.cpp:184
#54 0xb647fe98 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#55 0xb6483623 in ?? () from /lib/libglib-2.0.so.0
#56 0xb64837a8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#57 0xb76d8041 in QEventDispatcherGlib::processEvents (this=0x94bc340, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#58 0xb6d8c305 in QGuiEventDispatcherGlib::processEvents (this=0x94bc340, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#59 0xb76ab83a in QEventLoop::processEvents (this=0xbf878490, flags=...) at kernel/qeventloop.cpp:149
#60 0xb76abc82 in QEventLoop::exec (this=0xbf878490, flags=...) at kernel/qeventloop.cpp:201
#61 0xb76ae0d9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#62 0xb6cec917 in QApplication::exec () at kernel/qapplication.cpp:3525
#63 0x0804e78f in main (argc=) at ../../../okular/shell/main.cpp:81

This bug may be a duplicate of or related to bug 205020

Reported using DrKonqi