Application: systemsettings5 (5.4.1)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-22-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
KDE Settings is turned off when I tried to enter the built-in account google.

The crash can be reproduced every time.

-- Backtrace:
Application: Параметры системы (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6bc8493800 (LWP 1532))]

Thread 5 (Thread 0x7f6bb6ecd700 (LWP 1533)):
#0  0x00007f6bc4c288dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6bc2938bd2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f6bc293a74f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f6bb941ba39 in QXcbEventReader::run (this=0xd6b2c0) at qxcbconnection.cpp:1105
#4  0x00007f6bc531b2be in QThreadPrivate::start (arg=0xd6b2c0) at thread/qthread_unix.cpp:337
#5  0x00007f6bc20c36aa in start_thread (arg=0x7f6bb6ecd700) at pthread_create.c:333
#6  0x00007f6bc4c33eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f6b9c9a7700 (LWP 1720)):
#0  0x00007f6bc4c2449d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6bc1be74e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6bc1ba3cd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6bc1ba4190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6bc1ba42fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6bc555229b in QEventDispatcherGlib::processEvents (this=0x7f6b900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f6bc54f875a in QEventLoop::exec (this=this@entry=0x7f6b9c9a6dc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f6bc53163d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f6bc531b2be in QThreadPrivate::start (arg=0x34b5ef0) at thread/qthread_unix.cpp:337
#9  0x00007f6bc20c36aa in start_thread (arg=0x7f6b9c9a7700) at pthread_create.c:333
#10 0x00007f6bc4c33eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f6b81572700 (LWP 1798)):
#0  0x00007f6bc4c288dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6bc1ba41ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6bc1ba42fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6bc1ba4339 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6bc1bca965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6bc20c36aa in start_thread (arg=0x7f6b81572700) at pthread_create.c:333
#6  0x00007f6bc4c33eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f6b7bfff700 (LWP 1799)):
#0  0x00007f6bc1be8869 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6bc1ba41d2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6bc1ba4572 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6b793f34c6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f6bc1bca965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6bc20c36aa in start_thread (arg=0x7f6b7bfff700) at pthread_create.c:333
#6  0x00007f6bc4c33eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f6bc8493800 (LWP 1532)):
[KCrash Handler]
#6  0x00007f6b433509f8 in KAccountsUiProvider::showNewAccountDialog (this=<optimized out>) at ../../../plugins/kaccounts/kaccounts-ui-provider.cpp:247
#7  0x00007f6bc552b617 in QtPrivate::QSlotObjectBase::call (a=0x7ffc86a896a0, r=0x413fde0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#8  QMetaObject::activate (sender=0x413fde0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3702
#9  0x00007f6b433509b8 in KAccountsUiProvider::init (this=0x413fde0, type=<optimized out>) at ../../../plugins/kaccounts/kaccounts-ui-provider.cpp:109
#10 0x00007f6bc552b617 in QtPrivate::QSlotObjectBase::call (a=0x7ffc86a89880, r=0x40ee0f0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#11 QMetaObject::activate (sender=sender@entry=0x40ee0f0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffc86a89880) at kernel/qobject.cpp:3702
#12 0x00007f6bc552bf87 in QMetaObject::activate (sender=sender@entry=0x40ee0f0, m=m@entry=0x7f6bc6e95620 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffc86a89880) at kernel/qobject.cpp:3582
#13 0x00007f6bc6d0ffe2 in QAbstractButton::clicked (this=this@entry=0x40ee0f0, _t1=false) at .moc/moc_qabstractbutton.cpp:298
#14 0x00007f6bc6a76914 in QAbstractButtonPrivate::emitClicked (this=0x13e8480) at widgets/qabstractbutton.cpp:534
#15 0x00007f6bc6a77df9 in QAbstractButtonPrivate::click (this=0x13e8480) at widgets/qabstractbutton.cpp:527
#16 0x00007f6bc6a77f74 in QAbstractButton::mouseReleaseEvent (this=0x40ee0f0, e=0x7ffc86a89d50) at widgets/qabstractbutton.cpp:1132
#17 0x00007f6bc69c1188 in QWidget::event (this=0x40ee0f0, event=0x7ffc86a89d50) at kernel/qwidget.cpp:9023
#18 0x00007f6bc697eb8c in QApplicationPrivate::notify_helper (this=this@entry=0xd53800, receiver=receiver@entry=0x40ee0f0, e=e@entry=0x7ffc86a89d50) at kernel/qapplication.cpp:3720
#19 0x00007f6bc6984c7a in QApplication::notify (this=<optimized out>, receiver=0x40ee0f0, e=0x7ffc86a89d50) at kernel/qapplication.cpp:3280
#20 0x00007f6bc54faf1b in QCoreApplication::notifyInternal (this=0x7ffc86a8a610, receiver=receiver@entry=0x40ee0f0, event=event@entry=0x7ffc86a89d50) at kernel/qcoreapplication.cpp:935
#21 0x00007f6bc69836f2 in QCoreApplication::sendSpontaneousEvent (event=0x7ffc86a89d50, receiver=0x40ee0f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#22 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x40ee0f0, event=event@entry=0x7ffc86a89d50, alienWidget=alienWidget@entry=0x40ee0f0, nativeWidget=0x35172c0, buttonDown=buttonDown@entry=0x7f6bc6ea4a10 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2751
#23 0x00007f6bc69d8440 in QWidgetWindow::handleMouseEvent (this=this@entry=0x3d730f0, event=event@entry=0x7ffc86a8a170) at kernel/qwidgetwindow.cpp:543
#24 0x00007f6bc69da78b in QWidgetWindow::event (this=0x3d730f0, event=0x7ffc86a8a170) at kernel/qwidgetwindow.cpp:210
#25 0x00007f6bc697eb8c in QApplicationPrivate::notify_helper (this=this@entry=0xd53800, receiver=receiver@entry=0x3d730f0, e=e@entry=0x7ffc86a8a170) at kernel/qapplication.cpp:3720
#26 0x00007f6bc6984230 in QApplication::notify (this=0x7ffc86a8a610, receiver=0x3d730f0, e=0x7ffc86a8a170) at kernel/qapplication.cpp:3503
#27 0x00007f6bc54faf1b in QCoreApplication::notifyInternal (this=0x7ffc86a8a610, receiver=receiver@entry=0x3d730f0, event=event@entry=0x7ffc86a8a170) at kernel/qcoreapplication.cpp:935
#28 0x00007f6bc63d33c8 in QCoreApplication::sendSpontaneousEvent (event=0x7ffc86a8a170, receiver=0x3d730f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QGuiApplicationPrivate::processMouseEvent (e=0x40787e0) at kernel/qguiapplication.cpp:1772
#30 0x00007f6bc63d5005 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x40787e0) at kernel/qguiapplication.cpp:1576
#31 0x00007f6bc63ba5b8 in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#32 0x00007f6bb9448250 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#33 0x00007f6bc1ba3ff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f6bc1ba4250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f6bc1ba42fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f6bc555227f in QEventDispatcherGlib::processEvents (this=0xd9e9c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#37 0x00007f6bc54f875a in QEventLoop::exec (this=this@entry=0x7ffc86a8a4f0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#38 0x00007f6bc55002cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#39 0x00007f6bc63cb00c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#40 0x00007f6bc697b025 in QApplication::exec () at kernel/qapplication.cpp:2956
#41 0x000000000040f04b in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:55

Possible duplicates by query: bug 355449, bug 354924, bug 354774.

Reported using DrKonqi