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: I was trying to back out of the "window decoration" setting after having switched the window decoration.

-- 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 0x7fcfe7912780 (LWP 7619))]

Thread 5 (Thread 0x7fcfd4d29700 (LWP 7620)):
#0  0x00007fcfe407a8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fcfe2394b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fcfe239664f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fcfd7abc099 in QXcbEventReader::run (this=0x1742d50) at qxcbconnection.cpp:1105
#4  0x00007fcfe46fbb0e in QThreadPrivate::start (arg=0x1742d50) at thread/qthread_unix.cpp:337
#5  0x00007fcfe12ae6aa in start_thread (arg=0x7fcfd4d29700) at pthread_create.c:333
#6  0x00007fcfe4085eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fcfc9d4e700 (LWP 7622)):
#0  0x00007fcfe407a8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fcfe0d8febc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcfe0d90242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcfce6bfae6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fcfe0db6955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcfe12ae6aa in start_thread (arg=0x7fcfc9d4e700) at pthread_create.c:333
#6  0x00007fcfe4085eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fcfc954d700 (LWP 7623)):
#0  0x00007fcfe407649d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fcfdd1f6f45 in ?? () from /usr/lib/nvidia-346/tls/libnvidia-tls.so.346.59
#2  0x00007fcfe0dd32f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcfe0d8f96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcfe0d8fe60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcfe0d8ffcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fcfe0d90009 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fcfe0db6955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fcfe12ae6aa in start_thread (arg=0x7fcfc954d700) at pthread_create.c:333
#9  0x00007fcfe4085eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fcf9fd2a700 (LWP 7634)):
#0  0x00007fcfe0dd4789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fcfe0d8edf0 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcfe0d8fd75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcfe0d8ffcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcfe4992c6c in QEventDispatcherGlib::processEvents (this=0x7fcf900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fcfe49373e2 in QEventLoop::exec (this=this@entry=0x7fcf9fd29e40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fcfe46f6b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fcfe46fbb0e in QThreadPrivate::start (arg=0x259eaf0) at thread/qthread_unix.cpp:337
#8  0x00007fcfe12ae6aa in start_thread (arg=0x7fcf9fd2a700) at pthread_create.c:333
#9  0x00007fcfe4085eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fcfe7912780 (LWP 7619)):
[KCrash Handler]
#6  0x00007fcfe35e2f97 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fcfe358d151 in QV4::ExecutionEngine::~ExecutionEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fcfe36c50d5 in QV8Engine::~QV8Engine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fcfe36c52b9 in QV8Engine::~QV8Engine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fcfe352a061 in QJSEngine::~QJSEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007fcfe36273c5 in QQmlEngine::~QQmlEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007fcfe3627499 in QQmlEngine::~QQmlEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fcfa458ebe2 in cleanup (pointer=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:54
#14 reset (other=0x0, this=0x7fcfa481c6c8 <Aurorae::Helper::instance()::s_helper+8>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:149
#15 Aurorae::Helper::unref (this=0x7fcfa481c6c0 <Aurorae::Helper::instance()::s_helper>) at ../../../../clients/aurorae/src/aurorae.cpp:119
#16 0x00007fcfa4592908 in unref (this=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:273
#17 Aurorae::Decoration::~Decoration (this=0x3716f60, __in_chrg=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:267
#18 0x00007fcfa4592929 in Aurorae::Decoration::~Decoration (this=0x3716f60, __in_chrg=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:280
#19 0x00007fcfe496b778 in QObject::event (this=0x3716f60, e=<optimized out>) at kernel/qobject.cpp:1236
#20 0x00007fcfe5725b2c in QApplicationPrivate::notify_helper (this=0x1717550, receiver=0x3716f60, e=0x2e03360) at kernel/qapplication.cpp:3720
#21 0x00007fcfe572b000 in QApplication::notify (this=0x7fff449fca70, receiver=0x3716f60, e=0x2e03360) at kernel/qapplication.cpp:3503
#22 0x00007fcfe4939c2b in QCoreApplication::notifyInternal (this=0x7fff449fca70, receiver=0x3716f60, event=event@entry=0x2e03360) at kernel/qcoreapplication.cpp:935
#23 0x00007fcfe493bc9b in sendEvent (event=0x2e03360, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1716770) at kernel/qcoreapplication.cpp:1552
#25 0x00007fcfe493c298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#26 0x00007fcfe4992843 in postEventSourceDispatch (s=0x17c0690) at kernel/qeventdispatcher_glib.cpp:271
#27 0x00007fcfe0d8fc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fcfe0d8ff20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fcfe0d8ffcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fcfe4992c57 in QEventDispatcherGlib::processEvents (this=0x17dcba0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#31 0x00007fcfe49373e2 in QEventLoop::exec (this=this@entry=0x7fff449fc950, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#32 0x00007fcfe493f02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#33 0x00007fcfe516031c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#34 0x00007fcfe57217a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#35 0x000000000040eebc in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54

Reported using DrKonqi