Application: systemsettings5 (5.2.2)
 (Compiled from sources)
Qt Version: 5.4.1
Operating System: Linux 3.19.0-30-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:

I was atempting to change my windows theme but everytime i try to click on it, it crashes!

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb8d7c07780 (LWP 18929))]

Thread 4 (Thread 0x7fb8c7381700 (LWP 18930)):
#0  0x00007fb8d436c8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fb8d2686b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb8d268864f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb8c98cc099 in QXcbEventReader::run (this=0x11f4c90) at qxcbconnection.cpp:1105
#4  0x00007fb8d49edb0e in QThreadPrivate::start (arg=0x11f4c90) at thread/qthread_unix.cpp:337
#5  0x00007fb8d15a06aa in start_thread (arg=0x7fb8c7381700) at pthread_create.c:333
#6  0x00007fb8d4377eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fb8b68a0700 (LWP 18936)):
#0  0x00007fff0f073cee in clock_gettime ()
#1  0x00007fb8d438638d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fb8d4aa3cb6 in qt_clock_gettime (ts=0x7fb8b689fb80, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007fb8d4c82639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fb8a8002cd0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007fb8d4c82ba5 in QTimerInfoList::timerWait (this=0x7fb8a8002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007fb8d4c8403e in timerSourcePrepareHelper (timeout=0x7fb8b689fc54, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7fb8b689fc54) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007fb8d10813fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fb8d1081de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fb8d1081fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fb8d4c84c6c in QEventDispatcherGlib::processEvents (this=0x7fb8a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007fb8d4c293e2 in QEventLoop::exec (this=this@entry=0x7fb8b689fe20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007fb8d49e8b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007fb8d39b3f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007fb8d49edb0e in QThreadPrivate::start (arg=0x1c365a0) at thread/qthread_unix.cpp:337
#17 0x00007fb8d15a06aa in start_thread (arg=0x7fb8b68a0700) at pthread_create.c:333
#18 0x00007fb8d4377eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fb8af2bc700 (LWP 18937)):
#0  0x00007fb8d436c8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fb8d1081ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb8d1081fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb8d4c84c6c in QEventDispatcherGlib::processEvents (this=0x7fb8a40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fb8d4c293e2 in QEventLoop::exec (this=this@entry=0x7fb8af2bbe20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb8d49e8b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fb8d39b3f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fb8d49edb0e in QThreadPrivate::start (arg=0x1f41330) at thread/qthread_unix.cpp:337
#8  0x00007fb8d15a06aa in start_thread (arg=0x7fb8af2bc700) at pthread_create.c:333
#9  0x00007fb8d4377eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fb8d7c07780 (LWP 18929)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007fb8d3438628 in QSGOpaqueTextureMaterial::setTexture(QSGTexture*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fb8d3437d3c in QSGSimpleTextureNode::setTexture(QSGTexture*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fb8b4d3ec9a in Plasma::FrameSvgItem::updatePaintNode (this=0x4757800, oldNode=0x3f5fe90) at ../../../../src/declarativeimports/core/framesvgitem.cpp:495
#10 0x00007fb8d348b4bf in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fb8d348c4cb in QQuickWindowPrivate::updateDirtyNodes() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007fb8d348cd80 in QQuickWindowPrivate::syncSceneGraph() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007fb8d345bf05 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007fb8d345c979 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007fb8d5a17b2c in QApplicationPrivate::notify_helper (this=0x11ddb10, receiver=0x1c2bf80, e=0x7fff0f022120) at kernel/qapplication.cpp:3720
#16 0x00007fb8d5a1d000 in QApplication::notify (this=0x7fff0f022490, receiver=0x1c2bf80, e=0x7fff0f022120) at kernel/qapplication.cpp:3503
#17 0x00007fb8d4c2bc2b in QCoreApplication::notifyInternal (this=0x7fff0f022490, receiver=0x1c2bf80, event=event@entry=0x7fff0f022120) at kernel/qcoreapplication.cpp:935
#18 0x00007fb8d4c83ae5 in sendEvent (event=0x7fff0f022120, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#19 QTimerInfoList::activateTimers (this=0x1228650) at kernel/qtimerinfo_unix.cpp:635
#20 0x00007fb8d4c83f61 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#21 0x00007fb8d1081c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fb8d1081f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fb8d1081fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fb8d4c84c57 in QEventDispatcherGlib::processEvents (this=0x1218860, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#25 0x00007fb8d4c293e2 in QEventLoop::exec (this=this@entry=0x7fff0f022370, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#26 0x00007fb8d4c3102c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#27 0x00007fb8d545231c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#28 0x00007fb8d5a137a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#29 0x000000000040eebc in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54

Reported using DrKonqi