Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
updating window themes - now crashes every time i wish to go to desktop themes.

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 0x7ff725d83780 (LWP 16260))]

Thread 3 (Thread 0x7ff71358e700 (LWP 16262)):
#0  0x00007ff7224f68dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff720810b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ff72081264f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ff716351099 in QXcbEventReader::run (this=0xb3a920) at qxcbconnection.cpp:1105
#4  0x00007ff722b77b0e in QThreadPrivate::start (arg=0xb3a920) at thread/qthread_unix.cpp:337
#5  0x00007ff71f72a6aa in start_thread (arg=0x7ff71358e700) at pthread_create.c:333
#6  0x00007ff722501eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7ff6ff8f9700 (LWP 16264)):
#0  0x00007ff7224f249d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff71b672f45 in ?? () from /usr/lib/nvidia-346/tls/libnvidia-tls.so.346.59
#2  0x00007ff71f24f2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff71f20b96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff71f20be60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff71f20bfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ff722e0ec6c in QEventDispatcherGlib::processEvents (this=0x7ff6f80008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007ff722db33e2 in QEventLoop::exec (this=this@entry=0x7ff6ff8f8e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007ff722b72b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007ff721b3df65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007ff722b77b0e in QThreadPrivate::start (arg=0x12303a0) at thread/qthread_unix.cpp:337
#11 0x00007ff71f72a6aa in start_thread (arg=0x7ff6ff8f9700) at pthread_create.c:333
#12 0x00007ff722501eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7ff725d83780 (LWP 16260)):
[KCrash Handler]
#6  0x00007ff722430267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007ff722431eca in __GI_abort () at abort.c:89
#8  0x00007ff722b64edf in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:1415
#9  QMessageLogger::fatal (this=0x7fff624b74e0, msg=<optimized out>) at global/qlogging.cpp:636
#10 0x00007ff7215e5791 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007ff7215ef06f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007ff7215ef30a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007ff7235ed7b5 in QWindow::event (this=0x122eae0, ev=<optimized out>) at kernel/qwindow.cpp:2051
#14 0x00007ff721620dd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007ff723ba1b2c in QApplicationPrivate::notify_helper (this=0xb11530, receiver=0x122eae0, e=0x7fff624b7960) at kernel/qapplication.cpp:3720
#16 0x00007ff723ba7000 in QApplication::notify (this=0x7fff624b7d60, receiver=0x122eae0, e=0x7fff624b7960) at kernel/qapplication.cpp:3503
#17 0x00007ff722db5c2b in QCoreApplication::notifyInternal (this=0x7fff624b7d60, receiver=receiver@entry=0x122eae0, event=event@entry=0x7fff624b7960) at kernel/qcoreapplication.cpp:935
#18 0x00007ff7235e5e86 in sendSpontaneousEvent (event=0x7fff624b7960, receiver=0x122eae0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QGuiApplicationPrivate::processExposeEvent (e=0xfad600) at kernel/qguiapplication.cpp:2613
#20 0x00007ff7235e6bbd in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0xfad600) at kernel/qguiapplication.cpp:1638
#21 0x00007ff7235cb34f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#22 0x00007ff71637b590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#23 0x00007ff71f20bc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007ff71f20bf20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007ff71f20bfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007ff722e0ec57 in QEventDispatcherGlib::processEvents (this=0xb0d520, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#27 0x00007ff722db33e2 in QEventLoop::exec (this=this@entry=0x7fff624b7c40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#28 0x00007ff722dbb02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#29 0x00007ff7235dc31c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#30 0x00007ff723b9d7a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#31 0x000000000040eebc in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54

Reported using DrKonqi