Application: okular (0.19.0)
KDE Platform Version: 4.13.0
Qt Version: 4.8.2
Operating System: Linux 3.8.0-39-generic x86_64
Distribution: Ubuntu 12.04.4 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I tried open any PDF files and all my attempts viewing of PDF was unsuccessfully.

The crash can be reproduced every time.

-- Backtrace:
Application: Okular (okular), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f33aaf41780 (LWP 7878))]

Thread 2 (Thread 0x7f339415d700 (LWP 7879)):
#0  0x00007f33a7f06a43 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f33a4d05ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f33a4d06124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f33a8905926 in QEventDispatcherGlib::processEvents (this=0x7f338c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f33a88d4e62 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f33a88d50b7 in QEventLoop::exec (this=0x7f339415cdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f33a87d4077 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f33a88b4b6f in QInotifyFileSystemWatcherEngine::run (this=0x12cc6f0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f33a87d709b in QThreadPrivate::start (arg=0x12cc6f0) at thread/qthread_unix.cpp:307
#9  0x00007f33a51d2e9a in start_thread (arg=0x7f339415d700) at pthread_create.c:308
#10 0x00007f33a7f123fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f33aaf41780 (LWP 7878)):
[KCrash Handler]
#6  QObject::thread (this=0x0) at kernel/qobject.cpp:1371
#7  0x00007f33a8d7b4f5 in KDBusConnectionPool::threadConnection () at ../../kdecore/kernel/kdbusconnectionpool.cpp:64
#8  0x00007f33aa568f34 in emitSignal (signalName=..., args=...) at ../../kio/kio/kdirnotify.cpp:34
#9  0x00007f33aa5693be in OrgKdeKDirNotifyInterface::emitLeftDirectory (url=...) at ../../kio/kio/kdirnotify.cpp:69
#10 0x00007f33aa556762 in sendSignal (url=..., entering=false, this=<optimized out>) at ../../kio/kio/kdirlister_p.h:343
#11 ~DirItem (this=0x1452a20, __in_chrg=<optimized out>) at ../../kio/kio/kdirlister_p.h:331
#12 qDeleteAll<QHash<QString, KDirListerCache::DirItem*>::const_iterator> (end=..., begin=...) at /usr/include/qt4/QtCore/qalgorithms.h:322
#13 qDeleteAll<QHash<QString, KDirListerCache::DirItem*> > (c=...) at /usr/include/qt4/QtCore/qalgorithms.h:330
#14 KDirListerCache::~KDirListerCache (this=0x130aad0, __in_chrg=<optimized out>) at ../../kio/kio/kdirlister.cpp:79
#15 0x00007f33aa556c59 in KDirListerCache::~KDirListerCache (this=0x130aad0, __in_chrg=<optimized out>) at ../../kio/kio/kdirlister.cpp:87
#16 0x00007f33a7e59901 in __run_exit_handlers (status=1, listp=0x7f33a81d7688, run_list_atexit=true) at exit.c:78
#17 0x00007f33a7e59985 in __GI_exit (status=<optimized out>) at exit.c:100
#18 0x00007f33a9341508 in qt_xio_errhandler () at kernel/qapplication_x11.cpp:780
#19 0x00007f33aa00c498 in KApplication::xioErrhandler (this=0x7fffda0cafd0, dpy=0x9853c0) at ../../kdeui/kernel/kapplication.cpp:419
#20 0x00007f33a6e312be in _XIOError (dpy=0x9853c0) at ../../src/XlibInt.c:1616
#21 0x00007f33a6e2e3ab in require_socket (dpy=0x9853c0) at ../../src/xcb_io.c:70
#22 0x00007f33a6e2ed25 in require_socket (dpy=0x9853c0) at ../../src/xcb_io.c:60
#23 _XFlush (dpy=0x9853c0) at ../../src/xcb_io.c:511
#24 0x00007f33a6e319c5 in _XGetRequest (dpy=0x9853c0, type=4 '\004', len=8) at ../../src/XlibInt.c:1971
#25 0x00007f33a6e0dd1c in XDestroyWindow (dpy=0x9853c0, w=159383826) at ../../src/DestWind.c:40
#26 0x00007f3392a67cb0 in XRandRX11Helper::~XRandRX11Helper (this=0x15bf3f0, __in_chrg=<optimized out>) at /build/buildd/libkscreen-1.0.2/backends/xrandr/xrandrx11helper.cpp:62
#27 0x00007f3392a67cd9 in XRandRX11Helper::~XRandRX11Helper (this=0x15bf3f0, __in_chrg=<optimized out>) at /build/buildd/libkscreen-1.0.2/backends/xrandr/xrandrx11helper.cpp:64
#28 0x00007f3392a65f07 in XRandR11::~XRandR11 (this=0x15d9580, __in_chrg=<optimized out>) at /build/buildd/libkscreen-1.0.2/backends/xrandr1.1/xrandr11.cpp:67
#29 0x00007f3392a65f39 in XRandR11::~XRandR11 (this=0x15d9580, __in_chrg=<optimized out>) at /build/buildd/libkscreen-1.0.2/backends/xrandr1.1/xrandr11.cpp:68
#30 0x00007f3397fc4f59 in BackendLoader::init () at /build/buildd/libkscreen-1.0.2/src/backendloader.cpp:67
#31 0x00007f3397fc59e9 in KScreen::Config::current () at /build/buildd/libkscreen-1.0.2/src/config.cpp:58
#32 0x00007f3398d0e252 in Okular::Utils::realDpi (widgetOnScreen=0xe1c5f0) at ../core/utils.cpp:102
#33 0x00007f3398ce026b in Okular::DocumentPrivate::openDocumentInternal (this=0xaf63d0, offer=..., isstdin=false, docFile=..., filedata=...) at ../core/document.cpp:939
#34 0x00007f3398ce8e27 in Okular::Document::openDocument (this=0xe05620, docFile=..., url=..., _mime=...) at ../core/document.cpp:2225
#35 0x00007f3398fe122e in Okular::Part::openFile (this=0xac0b80) at ../part.cpp:1244
#36 0x00007f33aab40c0c in KParts::ReadOnlyPartPrivate::openLocalFile (this=0xac0e50) at ../../kparts/part.cpp:591
#37 0x00007f33aab411d4 in KParts::ReadOnlyPart::openUrl (this=0xac0b80, url=...) at ../../kparts/part.cpp:555
#38 0x00007f3398fd647c in openUrl (_url=..., this=0xac0b80) at ../part.cpp:1394
#39 Okular::Part::openUrl (this=0xac0b80, _url=...) at ../part.cpp:1365
#40 0x000000000040fa92 in Shell::openUrl (this=0xa0ead0, url=...) at ../../shell/shell.cpp:246
#41 0x0000000000410b18 in Shell::fileOpen (this=0xa0ead0) at ../../shell/shell.cpp:409
#42 0x0000000000410ea5 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./shell.moc:101
#43 Shell::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./shell.moc:87
#44 0x00007f33a88ea781 in QMetaObject::activate (sender=0x11eda60, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffda0c9680) at kernel/qobject.cpp:3547
#45 0x00007f33a92cf072 in QAction::triggered (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#46 0x00007f33a92cf25f in QAction::activate (this=0x11eda60, event=<optimized out>) at kernel/qaction.cpp:1257
#47 0x00007f33a97215e9 in QMenuPrivate::activateCausedStack (this=0xa57150, causedStack=..., action=0x11eda60, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1028
#48 0x00007f33a9727742 in QMenuPrivate::activateAction (this=0xa57150, action=0x11eda60, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1120
#49 0x00007f33aa0cf240 in KMenu::mouseReleaseEvent (this=0xa56110, e=0x7fffda0ca250) at ../../kdeui/widgets/kmenu.cpp:464
#50 0x00007f33a9325fb4 in QWidget::event (this=0xa56110, event=0x7fffda0ca250) at kernel/qwidget.cpp:8371
#51 0x00007f33a9728cdb in QMenu::event (this=0xa56110, e=0x7fffda0ca250) at widgets/qmenu.cpp:2469
#52 0x00007f33a92d57b4 in notify_helper (e=0x7fffda0ca250, receiver=0xa56110, this=0x981050) at kernel/qapplication.cpp:4556
#53 QApplicationPrivate::notify_helper (this=0x981050, receiver=0xa56110, e=0x7fffda0ca250) at kernel/qapplication.cpp:4528
#54 0x00007f33a92daf2f in QApplication::notify (this=<optimized out>, receiver=0xa56110, e=0x7fffda0ca250) at kernel/qapplication.cpp:4099
#55 0x00007f33aa00e1d6 in KApplication::notify (this=0x7fffda0cafd0, receiver=0xa56110, event=0x7fffda0ca250) at ../../kdeui/kernel/kapplication.cpp:311
#56 0x00007f33a88d632c in QCoreApplication::notifyInternal (this=0x7fffda0cafd0, receiver=0xa56110, event=0x7fffda0ca250) at kernel/qcoreapplication.cpp:915
#57 0x00007f33a92d6782 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#58 QApplicationPrivate::sendMouseEvent (receiver=0xa56110, event=0x7fffda0ca250, alienWidget=0x0, nativeWidget=0xa56110, buttonDown=0x0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3167
#59 0x00007f33a93561e1 in QETWidget::translateMouseEvent (this=0xa56110, event=<optimized out>) at kernel/qapplication_x11.cpp:4551
#60 0x00007f33a9354ace in QApplication::x11ProcessEvent (this=0x7fffda0cafd0, event=0x7fffda0cab20) at kernel/qapplication_x11.cpp:3732
#61 0x00007f33a937e052 in x11EventSourceDispatch (s=0x983160, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#62 0x00007f33a4d05d13 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#63 0x00007f33a4d06060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#64 0x00007f33a4d06124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007f33a89058bf in QEventDispatcherGlib::processEvents (this=0x950b30, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#66 0x00007f33a937dcde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#67 0x00007f33a88d4e62 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#68 0x00007f33a88d50b7 in QEventLoop::exec (this=0x7fffda0caec0, flags=...) at kernel/qeventloop.cpp:204
#69 0x00007f33a88da407 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#70 0x000000000040995e in main (argc=<optimized out>, argv=<optimized out>) at ../../shell/main.cpp:174

Possible duplicates by query: bug 324786.

Reported using DrKonqi