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:
System settings window is crashed when i enter Look and Feel settings

-- Backtrace:
Application: Параметры системы (systemsettings5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd9ba203780 (LWP 13126))]

Thread 3 (Thread 0x7fd9a79cc700 (LWP 13127)):
#0  0x00007fd9b69638dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd9b4c7db72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fd9b4c7f64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fd9aa75f099 in QXcbEventReader::run (this=0x260d270) at qxcbconnection.cpp:1105
#4  0x00007fd9b6fe4b0e in QThreadPrivate::start (arg=0x260d270) at thread/qthread_unix.cpp:337
#5  0x00007fd9b3b976aa in start_thread (arg=0x7fd9a79cc700) at pthread_create.c:333
#6  0x00007fd9b696eeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fd998c1f700 (LWP 13128)):
#0  0x00007fd9b695f49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd9afaebf45 in ?? () from /usr/lib/nvidia-340/tls/libnvidia-tls.so.340.76
#2  0x00007fd9b36bc2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd9b367896c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd9b3678e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd9b3678fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fd9b727bc6c in QEventDispatcherGlib::processEvents (this=0x7fd9940008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007fd9b72203e2 in QEventLoop::exec (this=this@entry=0x7fd998c1ee20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007fd9b6fdfb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007fd9b5faaf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fd9b6fe4b0e in QThreadPrivate::start (arg=0x2a53d80) at thread/qthread_unix.cpp:337
#11 0x00007fd9b3b976aa in start_thread (arg=0x7fd998c1f700) at pthread_create.c:333
#12 0x00007fd9b696eeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fd9ba203780 (LWP 13126)):
[KCrash Handler]
#6  0x00007fd9b689d267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007fd9b689eeca in __GI_abort () at abort.c:89
#8  0x00007fd9b6fd1edf in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:1415
#9  QMessageLogger::fatal (this=0x7ffd8c7826d0, msg=<optimized out>) at global/qlogging.cpp:636
#10 0x00007fd9b5a52791 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fd9b5a5c06f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007fd9b5a5c30a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007fd9b7a5a7b5 in QWindow::event (this=0x2a68680, ev=<optimized out>) at kernel/qwindow.cpp:2051
#14 0x00007fd9b5a8ddd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007fd9b800eb2c in QApplicationPrivate::notify_helper (this=0x25e0430, receiver=0x2a68680, e=0x7ffd8c782b50) at kernel/qapplication.cpp:3720
#16 0x00007fd9b8014000 in QApplication::notify (this=0x7ffd8c782f50, receiver=0x2a68680, e=0x7ffd8c782b50) at kernel/qapplication.cpp:3503
#17 0x00007fd9b7222c2b in QCoreApplication::notifyInternal (this=0x7ffd8c782f50, receiver=receiver@entry=0x2a68680, event=event@entry=0x7ffd8c782b50) at kernel/qcoreapplication.cpp:935
#18 0x00007fd9b7a52e86 in sendSpontaneousEvent (event=0x7ffd8c782b50, receiver=0x2a68680) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QGuiApplicationPrivate::processExposeEvent (e=0x282dbd0) at kernel/qguiapplication.cpp:2613
#20 0x00007fd9b7a53bbd in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x282dbd0) at kernel/qguiapplication.cpp:1638
#21 0x00007fd9b7a3834f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#22 0x00007fd9aa789590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#23 0x00007fd9b3678c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fd9b3678f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fd9b3678fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fd9b727bc57 in QEventDispatcherGlib::processEvents (this=0x264e7f0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#27 0x00007fd9b72203e2 in QEventLoop::exec (this=this@entry=0x7ffd8c782e30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#28 0x00007fd9b722802c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#29 0x00007fd9b7a4931c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#30 0x00007fd9b800a7a5 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