Application: systemsettings5 (5.4.1)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-19-generic x86_64
Distribution: Ubuntu Xenial Xerus (development branch)

-- Information about the crash:
- Opening system settings is fine however when i chose workspace theme the whole thing immediately crashes

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbd4f229800 (LWP 6116))]

Thread 3 (Thread 0x7fbd3c0d7700 (LWP 6117)):
#0  0x00007fbd4b9738dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbd49651c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fbd496538d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fbd3eee8a39 in QXcbEventReader::run (this=0x1c54390) at qxcbconnection.cpp:1105
#4  0x00007fbd4c0722be in QThreadPrivate::start (arg=0x1c54390) at thread/qthread_unix.cpp:337
#5  0x00007fbd48dc76aa in start_thread (arg=0x7fbd3c0d7700) at pthread_create.c:333
#6  0x00007fbd4b97eeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fbd2d94f700 (LWP 6120)):
#0  0x00007fbd4b96f49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbd447f1f75 in ?? () from /usr/lib/nvidia-352-updates/tls/libnvidia-tls.so.352.63
#2  0x00007fbd488dd660 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbd48899df4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbd4889a2b0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbd4889a41c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fbd4c2a929b in QEventDispatcherGlib::processEvents (this=0x7fbd280008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x00007fbd4c24f75a in QEventLoop::exec (this=this@entry=0x7fbd2d94eda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007fbd4c06d3d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007fbd4a9d4f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fbd4c0722be in QThreadPrivate::start (arg=0x2055c00) at thread/qthread_unix.cpp:337
#11 0x00007fbd48dc76aa in start_thread (arg=0x7fbd2d94f700) at pthread_create.c:333
#12 0x00007fbd4b97eeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fbd4f229800 (LWP 6116)):
[KCrash Handler]
#6  0x00007fbd4b8ad267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007fbd4b8aeeca in __GI_abort () at abort.c:89
#8  0x00007fbd4c05fc88 in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:1422
#9  QMessageLogger::fatal (this=<optimized out>, msg=<optimized out>) at global/qlogging.cpp:643
#10 0x00007fbd4ac8c511 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fbd4ac94514 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007fbd4ac9493b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007fbd4d1487c5 in QWindow::event (this=0x2146050, ev=<optimized out>) at kernel/qwindow.cpp:2058
#14 0x00007fbd4acc4fd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007fbd4d6f1b8c in QApplicationPrivate::notify_helper (this=this@entry=0x1c26dd0, receiver=receiver@entry=0x2146050, e=e@entry=0x7fff94bc0b20) at kernel/qapplication.cpp:3720
#16 0x00007fbd4d6f7230 in QApplication::notify (this=0x7fff94bc0f00, receiver=0x2146050, e=0x7fff94bc0b20) at kernel/qapplication.cpp:3503
#17 0x00007fbd4c251f1b in QCoreApplication::notifyInternal (this=0x7fff94bc0f00, receiver=receiver@entry=0x2146050, event=event@entry=0x7fff94bc0b20) at kernel/qcoreapplication.cpp:935
#18 0x00007fbd4d141336 in QCoreApplication::sendSpontaneousEvent (event=0x7fff94bc0b20, receiver=0x2146050) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QGuiApplicationPrivate::processExposeEvent (e=0x21bddd0) at kernel/qguiapplication.cpp:2616
#20 0x00007fbd4d14207d in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x21bddd0) at kernel/qguiapplication.cpp:1638
#21 0x00007fbd4d1275b8 in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#22 0x00007fbd3ef15250 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#23 0x00007fbd4889a117 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fbd4889a370 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fbd4889a41c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fbd4c2a927f in QEventDispatcherGlib::processEvents (this=0x1c9f680, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#27 0x00007fbd4c24f75a in QEventLoop::exec (this=this@entry=0x7fff94bc0de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#28 0x00007fbd4c2572cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#29 0x00007fbd4d13800c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#30 0x00007fbd4d6ee025 in QApplication::exec () at kernel/qapplication.cpp:2956
#31 0x000000000040f04b in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:55

Possible duplicates by query: bug 355096, bug 354414, bug 353914, bug 353175, bug 353057.

Reported using DrKonqi