Application: okular (0.14.80)
KDE Platform Version: 4.8.00 (4.8.0) "release 46"
Qt Version: 4.8.0
Operating System: Linux 3.2.2-4-desktop x86_64
Distribution: "openSUSE 12.2 Milestone 0 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
No matter which pdf document I have opened, okular will always crash when I close the program

The crash can be reproduced every time.

-- Backtrace:
Application: Okular (okular), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f14e976ca7f in findNode (akey=<optimized out>, this=0xb8) at /usr/include/QtCore/qmap.h:483
#7  contains (akey=<optimized out>, this=0xb8) at /usr/include/QtCore/qmap.h:555
#8  Okular::Document::removeObserver (this=0x84c720, pObserver=0x98d440) at /usr/src/debug/okular-git/core/document.cpp:1888
#9  0x00007f14e9a5d5f6 in MiniBarLogic::~MiniBarLogic (this=0x98d430, __in_chrg=<optimized out>) at /usr/src/debug/okular-git/ui/minibar.cpp:51
#10 0x00007f14e9a5d659 in MiniBarLogic::~MiniBarLogic (this=0x98d430, __in_chrg=<optimized out>) at /usr/src/debug/okular-git/ui/minibar.cpp:52
#11 0x00007f14f72be9e5 in QObjectPrivate::deleteChildren (this=0x845e60) at kernel/qobject.cpp:1908
#12 0x00007f14f72c4c4c in QObject::~QObject (this=0x845b10, __in_chrg=<optimized out>) at kernel/qobject.cpp:927
#13 0x00007f14f931ae38 in KParts::Part::~Part (this=0x845b10, __vtt_parm=0x7f14e9cced10, __in_chrg=<optimized out>) at /usr/src/debug/kdelibs-git/kparts/part.cpp:190
#14 0x00007f14e9a2feea in Okular::Part::~Part (this=0x845b10, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/okular-git/part.cpp:777
#15 0x00007f14e9a2ff79 in Okular::Part::~Part (this=0x845b10, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/okular-git/part.cpp:809
#16 0x000000000040993c in Shell::~Shell (this=0x8196d0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/okular-git/shell/shell.cpp:123
#17 0x00000000004099e9 in Shell::~Shell (this=0x8196d0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/okular-git/shell/shell.cpp:126
#18 0x00007f14f72c5528 in QObject::event (this=0x8196d0, e=<optimized out>) at kernel/qobject.cpp:1176
#19 0x00007f14f7d0df3b in QWidget::event (this=0x8196d0, event=0x4fa8440) at kernel/qwidget.cpp:8821
#20 0x00007f14f80e3e5b in QMainWindow::event (this=0x8196d0, event=0x4fa8440) at widgets/qmainwindow.cpp:1478
#21 0x00007f14f8afc918 in KXmlGuiWindow::event (this=0x8196d0, ev=0x4fa8440) at /usr/src/debug/kdelibs-git/kdeui/xmlgui/kxmlguiwindow.cpp:126
#22 0x00007f14f7cbddf4 in notify_helper (e=0x4fa8440, receiver=0x8196d0, this=0x638b30) at kernel/qapplication.cpp:4550
#23 QApplicationPrivate::notify_helper (this=0x638b30, receiver=0x8196d0, e=0x4fa8440) at kernel/qapplication.cpp:4522
#24 0x00007f14f7cc2c73 in QApplication::notify (this=0x7ffff4c56290, receiver=0x8196d0, e=0x4fa8440) at kernel/qapplication.cpp:4411
#25 0x00007f14f8a01816 in KApplication::notify (this=0x7ffff4c56290, receiver=0x8196d0, event=0x4fa8440) at /usr/src/debug/kdelibs-git/kdeui/kernel/kapplication.cpp:311
#26 0x00007f14f72ac48c in QCoreApplication::notifyInternal (this=0x7ffff4c56290, receiver=0x8196d0, event=0x4fa8440) at kernel/qcoreapplication.cpp:876
#27 0x00007f14f72afd2a in sendEvent (event=0x4fa8440, receiver=0x8196d0) at kernel/qcoreapplication.h:231
#28 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x60f950) at kernel/qcoreapplication.cpp:1500
#29 0x00007f14f72db023 in sendPostedEvents () at kernel/qcoreapplication.h:236
#30 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#31 0x00007f14f32c45aa in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#32 0x00007f14f32c4970 in ?? () from /usr/lib64/libglib-2.0.so.0
#33 0x00007f14f32c4a34 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#34 0x00007f14f72db44f in QEventDispatcherGlib::processEvents (this=0x6151d0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#35 0x00007f14f7d60e5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x00007f14f72ab272 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#37 0x00007f14f72ab4c7 in QEventLoop::exec (this=0x7ffff4c56220, flags=...) at kernel/qeventloop.cpp:204
#38 0x00007f14f72b0025 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#39 0x0000000000408246 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/okular-git/shell/main.cpp:85

Reported using DrKonqi