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    #1

    Okular always crashes

    Hi all,

    Since moving up to Trusty (14.04 Desktop 64b), I've not been able to use Okular even once. It crashes immediately when clicking on a pdf to load (via nemo). I can open Okular manually, but it then crashes when I attempt to load a pdf via file -> open.

    Here's a terminal session. This is a straight open and close of Okular with no problem (but without loading a document):
    Code:
    $ okular
Bus::open: Can not get ibus-daemon's address. 
IBusInputContext::createInputContext: no connection to ibus-daemon 
$
    After loading Okular, I clicked on a file in "open recent":
    Code:
    $ okular
Bus::open: Can not get ibus-daemon's address. 
IBusInputContext::createInputContext: no connection to ibus-daemon 
Xlib:  extension "RANDR" missing on display ":0".
Xlib:  extension "RANDR" missing on display ":0".
Can't get XRandR version 
okular: Fatal IO error: client killed
$
    Here's one where I clicked on open then selected a pdf that had not been loaded before:
    Code:
    $ okular
Bus::open: Can not get ibus-daemon's address. 
IBusInputContext::createInputContext: no connection to ibus-daemon 
Object::connect: No such signal org::freedesktop::UPower::DeviceAdded(QDBusObjectPath)
Object::connect: No such signal org::freedesktop::UPower::DeviceRemoved(QDBusObjectPath)
Xlib:  extension "RANDR" missing on display ":0".
Xlib:  extension "RANDR" missing on display ":0".
Can't get XRandR version 
okular: Fatal IO error: client killed
KCrash: Application 'okular' crashing...
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit
sock_file=/home/me/.kde/socket-wstation/kdeinit4__0

[1]+  Stopped                 okular
$
    This one was was also followd by a KDE Crash Handler dialog with this shown on the Developer information tab:
    Code:
    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 0x7f1cf5a4c7c0 (LWP 11590))]

Thread 3 (Thread 0x7f1cdef73700 (LWP 11591)):
#0  0x00007f1cf2a57fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1cef640fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1cef6410ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1cf34597be in QEventDispatcherGlib::processEvents (this=0x7f1cd80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007f1cf342b0af in QEventLoop::processEvents (this=this@entry=0x7f1cdef72de0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f1cf342b3a5 in QEventLoop::exec (this=this@entry=0x7f1cdef72de0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f1cf3327c5f in QThread::exec (this=this@entry=0x12869a0) at thread/qthread.cpp:537
#7  0x00007f1cf340c823 in QInotifyFileSystemWatcherEngine::run (this=0x12869a0) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f1cf332a32f in QThreadPrivate::start (arg=0x12869a0) at thread/qthread_unix.cpp:349
#9  0x00007f1cefb20182 in start_thread (arg=0x7f1cdef73700) at pthread_create.c:312
#10 0x00007f1cf2a6530d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f1cddd30700 (LWP 11592)):
#0  0x00007f1cf2a566bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1cef681c20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1cef640b14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1cef640f7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1cef6410ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1cf34597be in QEventDispatcherGlib::processEvents (this=0x7f1cd00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f1cf342b0af in QEventLoop::processEvents (this=this@entry=0x7f1cddd2fde0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f1cf342b3a5 in QEventLoop::exec (this=this@entry=0x7f1cddd2fde0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f1cf3327c5f in QThread::exec (this=this@entry=0x139e080) at thread/qthread.cpp:537
#9  0x00007f1cf340c823 in QInotifyFileSystemWatcherEngine::run (this=0x139e080) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f1cf332a32f in QThreadPrivate::start (arg=0x139e080) at thread/qthread_unix.cpp:349
#11 0x00007f1cefb20182 in start_thread (arg=0x7f1cddd30700) at pthread_create.c:312
#12 0x00007f1cf2a6530d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f1cf5a4c7c0 (LWP 11590)):
[KCrash Handler]
#5  QObject::thread (this=0x0) at kernel/qobject.cpp:1370
#6  0x00007f1cf38cf45e in KDBusConnectionPool::threadConnection() () from /usr/lib/libkdecore.so.5
#7  0x00007f1cf5070fdc in ?? () from /usr/lib/libkio.so.5
#8  0x00007f1cf507166a in OrgKdeKDirNotifyInterface::emitLeftDirectory(QString const&) () from /usr/lib/libkio.so.5
#9  0x00007f1cf505a447 in ?? () from /usr/lib/libkio.so.5
#10 0x00007f1cf505a4f9 in ?? () from /usr/lib/libkio.so.5
#11 0x00007f1cf29a6509 in __run_exit_handlers (status=1, listp=0x7f1cf2d296c8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#12 0x00007f1cf29a6555 in __GI_exit (status=<optimized out>) at exit.c:104
#13 0x00007f1cf3e85878 in qt_xio_errhandler () at kernel/qapplication_x11.cpp:783
#14 0x00007f1cf4b28760 in KApplication::xioErrhandler(_XDisplay*) () from /usr/lib/libkdeui.so.5
#15 0x00007f1cf198a5ee in _XIOError (dpy=dpy@entry=0xc21250) at ../../src/XlibInt.c:1498
#16 0x00007f1cf1987a8e in require_socket (dpy=0xc21250) at ../../src/xcb_io.c:70
#17 0x00007f1cf1988259 in _XFlush (dpy=0xc21250) at ../../src/xcb_io.c:511
#18 0x00007f1cf198ac75 in _XGetRequest (dpy=dpy@entry=0xc21250, type=type@entry=4 '\004', len=len@entry=8) at ../../src/XlibInt.c:1735
#19 0x00007f1cf196865c in XDestroyWindow (dpy=0xc21250, w=44040471) at ../../src/DestWind.c:40
#20 0x00007f1cdc587d1c in XRandRX11Helper::~XRandRX11Helper (this=0x184e820, __in_chrg=<optimized out>) at /build/buildd/libkscreen-1.0.2/backends/xrandr/xrandrx11helper.cpp:62
#21 0x00007f1cdc587d49 in XRandRX11Helper::~XRandRX11Helper (this=0x184e820, __in_chrg=<optimized out>) at /build/buildd/libkscreen-1.0.2/backends/xrandr/xrandrx11helper.cpp:64
#22 0x00007f1cdc585f97 in XRandR11::~XRandR11 (this=0x1530b90, __in_chrg=<optimized out>) at /build/buildd/libkscreen-1.0.2/backends/xrandr1.1/xrandr11.cpp:67
#23 0x00007f1cdc585fc9 in XRandR11::~XRandR11 (this=0x1530b90, __in_chrg=<optimized out>) at /build/buildd/libkscreen-1.0.2/backends/xrandr1.1/xrandr11.cpp:68
#24 0x00007f1ce2bf9f69 in BackendLoader::init () at /build/buildd/libkscreen-1.0.2/src/backendloader.cpp:67
#25 0x00007f1ce2bfa809 in KScreen::Config::current () at /build/buildd/libkscreen-1.0.2/src/config.cpp:58
#26 0x00007f1ce3942402 in Okular::Utils::realDpi (widgetOnScreen=0xe0f1d0) at ../core/utils.cpp:102
#27 0x00007f1ce391d0db in Okular::DocumentPrivate::openDocumentInternal (this=0xe01580, offer=..., isstdin=isstdin@entry=false, docFile=..., filedata=...) at ../core/document.cpp:939
#28 0x00007f1ce391d745 in Okular::Document::openDocument (this=0xddb660, docFile=..., url=..., _mime=...) at ../core/document.cpp:2225
#29 0x00007f1ce3bdfc0c in Okular::Part::openFile (this=0xdc0a70) at ../part.cpp:1244
#30 0x00007f1cf5637c47 in ?? () from /usr/lib/libkparts.so.4
#31 0x00007f1cf563922e in KParts::ReadOnlyPart::openUrl(KUrl const&) () from /usr/lib/libkparts.so.4
#32 0x00007f1ce3bd4f5b in Okular::Part::openUrl (this=0xdc0a70, _url=...) at ../part.cpp:1394
#33 0x000000000040f117 in Shell::openUrl (this=this@entry=0xd76d40, url=...) at ../../shell/shell.cpp:246
#34 0x0000000000410393 in Shell::fileOpen (this=0xd76d40) at ../../shell/shell.cpp:409
#35 0x0000000000410645 in Shell::qt_static_metacall (_o=0x0, _id=-1618656112, _a=0x7fff9f8551f0, _c=<optimized out>) at ./shell.moc:100
#36 0x00007f1cf344087a in QMetaObject::activate (sender=sender@entry=0x11b61f0, m=m@entry=0x7f1cf48c8de0 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff9f8551f0) at kernel/qobject.cpp:3539
#37 0x00007f1cf3e18a62 in QAction::triggered (this=this@entry=0x11b61f0, _t1=false) at .moc/release-shared/moc_qaction.cpp:276
#38 0x00007f1cf3e1a433 in QAction::activate (this=this@entry=0x11b61f0, event=event@entry=QAction::Trigger) at kernel/qaction.cpp:1257
#39 0x00007f1cf4248489 in QMenuPrivate::activateCausedStack (this=this@entry=0x11dfe40, causedStack=..., action=action@entry=0x11b61f0, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1038
#40 0x00007f1cf424c9b9 in QMenuPrivate::activateAction (this=0x11dfe40, action=0x11b61f0, action_e=QAction::Trigger, self=<optimized out>) at widgets/qmenu.cpp:1130
#41 0x00007f1cf4be04f5 in KMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libkdeui.so.5
#42 0x00007f1cf3e6e50a in QWidget::event (this=this@entry=0x11ff6f0, event=event@entry=0x7fff9f855920) at kernel/qwidget.cpp:8376
#43 0x00007f1cf42507bb in QMenu::event (this=0x11ff6f0, e=0x7fff9f855920) at widgets/qmenu.cpp:2481
#44 0x00007f1cf3e1ee2c in QApplicationPrivate::notify_helper (this=this@entry=0xbe4f10, receiver=receiver@entry=0x11ff6f0, e=e@entry=0x7fff9f855920) at kernel/qapplication.cpp:4567
#45 0x00007f1cf3e255dd in QApplication::notify (this=<optimized out>, receiver=0x11ff6f0, e=0x7fff9f855920) at kernel/qapplication.cpp:4110
#46 0x00007f1cf4b29baa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#47 0x00007f1cf342c4dd in QCoreApplication::notifyInternal (this=0x7fff9f8561e0, receiver=receiver@entry=0x11ff6f0, event=event@entry=0x7fff9f855920) at kernel/qcoreapplication.cpp:953
#48 0x00007f1cf3e24d93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#49 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x11ff6f0, event=event@entry=0x7fff9f855920, alienWidget=alienWidget@entry=0x0, nativeWidget=nativeWidget@entry=0x11ff6f0, buttonDown=buttonDown@entry=0x7f1cf4904318 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#50 0x00007f1cf3e99cfc in QETWidget::translateMouseEvent (this=this@entry=0x11ff6f0, event=event@entry=0x7fff9f855c70) at kernel/qapplication_x11.cpp:4568
#51 0x00007f1cf3e99269 in QApplication::x11ProcessEvent (this=0x7fff9f8561e0, event=event@entry=0x7fff9f855c70) at kernel/qapplication_x11.cpp:3627
#52 0x00007f1cf3ec0b02 in x11EventSourceDispatch (s=0xbe6320, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#53 0x00007f1cef640e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007f1cef641048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007f1cef6410ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007f1cf34597be in QEventDispatcherGlib::processEvents (this=0xbaab50, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#57 0x00007f1cf3ec0bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#58 0x00007f1cf342b0af in QEventLoop::processEvents (this=this@entry=0x7fff9f856040, flags=...) at kernel/qeventloop.cpp:149
#59 0x00007f1cf342b3a5 in QEventLoop::exec (this=this@entry=0x7fff9f856040, flags=...) at kernel/qeventloop.cpp:204
#60 0x00007f1cf3430b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#61 0x00007f1cf3e1d37c in QApplication::exec () at kernel/qapplication.cpp:3828
#62 0x00000000004099c6 in main (argc=<optimized out>, argv=<optimized out>) at ../../shell/main.cpp:174
    Versions:
    according to Muon I have the following:
    Okular - version 4:4.13.0-0ubuntu1
    libpoppler44 - version 0.24.5-2ubuntu4
    poppler-utils - version 0.24.5-2ubuntu4

    Can someone please advise me further?

    Thanks.
    Tags: crash, okular, poppler, randr, trusty
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    #2
    Verify that ibus is still installed.
    Windows no longer obstructs my view.
    Using Kubuntu Linux since March 23, 2007.
    "It is a capital mistake to theorize before one has data." - Sherlock Holmes​
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      #3
      Originally posted by Snowhog View Post
      Verify that ibus is still installed.
      Hi Snowhog,

      No, ibus wasn't installed. So I installed it:
      Code:
      $ sudo apt-get install ibus
      This has now removed the ibus related errors but the original problem remains:
      Code:
      $ okular
Object::connect: No such signal org::freedesktop::UPower::DeviceAdded(QDBusObjectPath)
Object::connect: No such signal org::freedesktop::UPower::DeviceRemoved(QDBusObjectPath)
Xlib:  extension "RANDR" missing on display ":0".
Xlib:  extension "RANDR" missing on display ":0".
Can't get XRandR version 
okular: Fatal IO error: client killed
KCrash: Application 'okular' crashing...
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit
sock_file=/home/me/.kde/socket-wstation/kdeinit4__0

[1]+  Stopped                 okular
$
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      Comment

        #4
        Maybe connected - a KDE bug report: https://bugs.kde.org/show_bug.cgi?id=333639

        Are you using the Xinerama ?
        Is the XRandR disabled ?
        A good place to start: Topic: Top 20 Kubuntu FAQs & Answers
        Searching FAQ's: Google Search 'FAQ from Kubuntuforums'
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        Comment

          #5
          Originally posted by Rog132 View Post
          Maybe connected - a KDE bug report: https://bugs.kde.org/show_bug.cgi?id=333639

          Are you using the Xinerama ?
          Is the XRandR disabled ?
          Hi Rog132,

          Right on both counts!

          Hmmm... looks like the use of my 2 x Nvidia cards is a bigger problem than I thought. I run multiple GPUs and I've also got an issue with KDED (as mentioned here) - same as the bug reporter in the link you provided.

          So... what should I do now?
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