[okular] [Bug 426698] Okular crashes starting with 2 differently orientated screens

[David]

https://bugs.kde.org/show_bug.cgi?id=426698

--- Comment #7 from David <dav75uk at yahoo.co.uk> ---
Application: Okular (okular), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7b8dfcf900 (LWP 10939))]

Thread 7 (Thread 0x7f7b60bc7700 (LWP 10948)):
#0  0x00007f7b85b8f87d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f7b6323cfbb in ?? () from /usr/lib64/dri/i965_dri.so
#2  0x00007f7b6323cba7 in ?? () from /usr/lib64/dri/i965_dri.so
#3  0x00007f7b85b894f9 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f7b879e3fbf in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f7b613c8700 (LWP 10947)):
#0  0x00007f7b85b8f87d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f7b6323cfbb in ?? () from /usr/lib64/dri/i965_dri.so
#2  0x00007f7b6323cba7 in ?? () from /usr/lib64/dri/i965_dri.so
#3  0x00007f7b85b894f9 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f7b879e3fbf in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f7b61bc9700 (LWP 10946)):
#0  0x00007f7b85b8f87d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f7b6323cfbb in ?? () from /usr/lib64/dri/i965_dri.so
#2  0x00007f7b6323cba7 in ?? () from /usr/lib64/dri/i965_dri.so
#3  0x00007f7b85b894f9 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f7b879e3fbf in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f7b623ca700 (LWP 10945)):
#0  0x00007f7b85b8f87d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f7b6323cfbb in ?? () from /usr/lib64/dri/i965_dri.so
#2  0x00007f7b6323cba7 in ?? () from /usr/lib64/dri/i965_dri.so
#3  0x00007f7b85b894f9 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f7b879e3fbf in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f7b72f5c700 (LWP 10941)):
#0  0x00007f7b82a4839a in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f7b82a49965 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7b82a4ac13 in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f7b82a4b6ab in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f7b82a4b88c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#5  0x00007f7b888bf19b in QEventDispatcherGlib::processEvents
(this=0x7f7b6c000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f7b8886032a in QEventLoop::exec (this=this at entry=0x7f7b72f5bc80,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f7b8868610a in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#8  0x00007f7b88d2fcd5 in ?? () from /usr/lib64/libQt5DBus.so.5
#9  0x00007f7b886878b2 in QThreadPrivate::start (arg=0x7f7b88fa7d80) at
thread/qthread_unix.cpp:361
#10 0x00007f7b85b894f9 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f7b879e3fbf in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f7b7b335700 (LWP 10940)):
#0  0x00007f7b879d96db in poll () from /lib64/libc.so.6
#1  0x00007f7b85fb0307 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f7b85fb1f3a in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f7b7e12a300 in QXcbEventQueue::run (this=0x12dc8c0) at
qxcbeventqueue.cpp:228
#4  0x00007f7b886878b2 in QThreadPrivate::start (arg=0x12dc8c0) at
thread/qthread_unix.cpp:361
#5  0x00007f7b85b894f9 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f7b879e3fbf in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f7b8dfcf900 (LWP 10939)):
[KCrash Handler]
#4  QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData>
>::operator-> (this=0x200000008) at
../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:118
#5  qGetPtrHelper<QScopedPointer<QObjectData,
QScopedPointerDeleter<QObjectData> > > (ptr=...) at
../../include/QtCore/../../src/corelib/global/qglobal.h:1038
#6  QScreen::d_func (this=this at entry=0x200000000) at kernel/qscreen.h:69
#7  QScreen::size (this=this at entry=0x200000000) at kernel/qscreen.cpp:215
#8  0x00007f7b890fa6dd in QScreen::physicalDotsPerInchY
(this=this at entry=0x200000000) at kernel/qscreen.cpp:246
#9  0x00007f7b89c85ce8 in QScrollerPrivate::setDpiFromWidget
(this=this at entry=0x13dfe40, widget=<optimized out>) at util/qscroller.cpp:1035
#10 0x00007f7b89c890c8 in QScrollerPrivate::prepareScrolling
(this=this at entry=0x13dfe40, position=...) at util/qscroller.cpp:1430
#11 0x00007f7b89c8a56f in QScroller::scrollTo (this=0x15355d0, pos=...,
scrollTime=0) at util/qscroller.cpp:680
#12 0x00007f7b70ff29fd in ?? () from /usr/lib64/qt5/plugins/okularpart.so
#13 0x00007f7b70ff2e9a in ?? () from /usr/lib64/qt5/plugins/okularpart.so
#14 0x00007f7b70f4c38c in ?? () from /usr/lib64/qt5/plugins/okularpart.so
#15 0x00007f7b888927a2 in QObject::event (this=this at entry=0x14be3f0,
e=e at entry=0x1ae33c0) at kernel/qobject.cpp:1261
#16 0x00007f7b89961f23 in QWidget::event (this=this at entry=0x14be3f0,
event=event at entry=0x1ae33c0) at kernel/qwidget.cpp:9409
#17 0x00007f7b89a04f2e in QFrame::event (this=this at entry=0x14be3f0,
e=e at entry=0x1ae33c0) at widgets/qframe.cpp:550
#18 0x00007f7b89a07c63 in QAbstractScrollArea::event (this=0x14be3f0,
e=0x1ae33c0) at widgets/qabstractscrollarea.cpp:1168
#19 0x00007f7b89921a0c in QApplicationPrivate::notify_helper
(this=this at entry=0x12b9030, receiver=receiver at entry=0x14be3f0,
e=e at entry=0x1ae33c0) at kernel/qapplication.cpp:3701
#20 0x00007f7b89929020 in QApplication::notify (this=0x7ffeeef08500,
receiver=0x14be3f0, e=0x1ae33c0) at kernel/qapplication.cpp:3447
#21 0x00007f7b888620d8 in QCoreApplication::notifyInternal2
(receiver=0x14be3f0, event=0x1ae33c0) at kernel/qcoreapplication.cpp:1088
#22 0x00007f7b888622ae in QCoreApplication::sendEvent (receiver=<optimized
out>, event=event at entry=0x1ae33c0) at kernel/qcoreapplication.cpp:1476
#23 0x00007f7b88864c97 in QCoreApplicationPrivate::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0, data=0x12af1c0) at
kernel/qcoreapplication.cpp:1825
#24 0x00007f7b88865238 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1679
#25 0x00007f7b888bfb63 in postEventSourceDispatch (s=0x132e2b0) at
kernel/qeventdispatcher_glib.cpp:276
#26 0x00007f7b82a4b464 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#27 0x00007f7b82a4b800 in ?? () from /usr/lib64/libglib-2.0.so.0
#28 0x00007f7b82a4b88c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#29 0x00007f7b888bf17f in QEventDispatcherGlib::processEvents (this=0x132eeb0,
flags=...) at kernel/qeventdispatcher_glib.cpp:422
#30 0x00007f7b8886032a in QEventLoop::exec (this=this at entry=0x7ffeeef08470,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#31 0x00007f7b88869530 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1389
#32 0x000000000040fa0f in main (argc=2, argv=0x7ffeeef08808) at
/home/dav/okular/okular/shell/main.cpp:107
[Inferior 1 (process 10939) detached]


Also noted that running okular without a pdf (no file) seems to work fine.

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