Bug 353784

Application: systemsettings5 (5.4.0)

Qt Version: 5.4.2
Operating System: Linux 4.1.6-10-desktop x86_64
Distribution: "openSUSE Leap 42.1 Beta 1 (Malachite) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
Plasma crashed after I tried to switch Desktop Cube with Ctrl+F11

The crash can be reproduced sometimes.

-- Backtrace:
Application: Системні параметри (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fad7edf3780 (LWP 2903))]

Thread 6 (Thread 0x7fad6c958700 (LWP 2904)):
#0  0x00007fad7abcac1d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fad779d3422 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fad779d500f in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fad6eea4ee9 in ?? () from /usr/lib64/qt5/plugins/platforms/libqxcb.so
#4  0x00007fad7b2be8cf in ?? () from /usr/lib64/libQt5Core.so.5
#5  0x00007fad7715d0a4 in start_thread (arg=0x7fad6c958700) at pthread_create.c:309
#6  0x00007fad7abd304d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7fad5a8ae700 (LWP 2907)):
#0  0x00007fad7abcac1d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fad76c40e64 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fad76c4119a in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fad5add9426 in gdbus_shared_thread_func (user_data=0x15edf60) at gdbusprivate.c:274
#4  0x00007fad76c65f65 in ?? () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fad7715d0a4 in start_thread (arg=0x7fad5a8ae700) at pthread_create.c:309
#6  0x00007fad7abd304d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fad38f94700 (LWP 2935)):
#0  0x00007fad7abcac1d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fad76c40e64 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fad76c40f7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fad7b4efccb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007fad7b49682b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007fad7b2b9c9a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007fad7984fc48 in QQmlThreadPrivate::run (this=0x18fde10) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fad7b2be8cf in ?? () from /usr/lib64/libQt5Core.so.5
#8  0x00007fad7715d0a4 in start_thread (arg=0x7fad38f94700) at pthread_create.c:309
#9  0x00007fad7abd304d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fad3b9a6700 (LWP 2947)):
#0  0x00007fad7abc6ced in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fad76c81b60 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fad76c40999 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fad76c40df8 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fad76c40f7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fad7b4efccb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007fad7b49682b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#7  0x00007fad7b2b9c9a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#8  0x00007fad7984fc48 in QQmlThreadPrivate::run (this=0x37e9990) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007fad7b2be8cf in ?? () from /usr/lib64/libQt5Core.so.5
#10 0x00007fad7715d0a4 in start_thread (arg=0x7fad3b9a6700) at pthread_create.c:309
#11 0x00007fad7abd304d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fad4085e700 (LWP 3001)):
#0  0x00007fad7abcac1d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fad668c8711 in ?? () from /usr/lib64/libpulse.so.0
#2  0x00007fad668b9f1c in pa_mainloop_poll () from /usr/lib64/libpulse.so.0
#3  0x00007fad668ba58e in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#4  0x00007fad668ba640 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
#5  0x00007fad668c86c3 in ?? () from /usr/lib64/libpulse.so.0
#6  0x00007fad6625f868 in ?? () from /usr/lib64/pulseaudio/libpulsecommon-6.0.so
#7  0x00007fad7715d0a4 in start_thread (arg=0x7fad4085e700) at pthread_create.c:309
#8  0x00007fad7abd304d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fad7edf3780 (LWP 2903)):
[KCrash Handler]
#6  ref (this=<optimized out>) at /usr/include/QtCore/qatomic_x86_64.h:121
#7  QHash (this=0x7fad11b6fab0 <KAuth::s_watchers>) at /usr/include/QtCore/qhash.h:281
#8  __static_initialization_and_destruction_0 (__initialize_p=1, __priority=65535) at /usr/src/debug/kdelibs-4.14.10/kdecore/auth/kauthactionwatcher.cpp:44
#9  _GLOBAL__sub_I_kauthactionwatcher.cpp(void) () at /usr/src/debug/kdelibs-4.14.10/build/kdecore/kauthactionwatcher.moc:155
#10 0x00007fad7ec2a92a in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x7ffefab2e1d8, env=env@entry=0x180aef0) at dl-init.c:78
#11 0x00007fad7ec2aa13 in call_init (env=0x180aef0, argv=0x7ffefab2e1d8, argc=1, l=<optimized out>) at dl-init.c:36
#12 _dl_init (main_map=main_map@entry=0x3d266c0, argc=1, argv=0x7ffefab2e1d8, env=0x180aef0) at dl-init.c:126
#13 0x00007fad7ec2eb48 in dl_open_worker (a=a@entry=0x7ffefab27968) at dl-open.c:566
#14 0x00007fad7ec2a7e4 in _dl_catch_error (objname=objname@entry=0x7ffefab27958, errstring=errstring@entry=0x7ffefab27960, mallocedp=mallocedp@entry=0x7ffefab27957, operate=operate@entry=0x7fad7ec2e870 <dl_open_worker>, args=args@entry=0x7ffefab27968) at dl-error.c:187
#15 0x00007fad7ec2e33b in _dl_open (file=0x3717318 "/usr/lib64/libproxy-0.4.11/modules/config_kde4.so", mode=-2147483647, caller_dlopen=<optimized out>, nsid=-2, argc=1, argv=0x7ffefab2e1d8, env=0x180aef0) at dl-open.c:650
#16 0x00007fad7526002b in dlopen_doit (a=a@entry=0x7ffefab27b80) at dlopen.c:66
#17 0x00007fad7ec2a7e4 in _dl_catch_error (objname=0x766da0, errstring=0x766da8, mallocedp=0x766d98, operate=0x7fad7525ffd0 <dlopen_doit>, args=0x7ffefab27b80) at dl-error.c:187
#18 0x00007fad752605dd in _dlerror_run (operate=operate@entry=0x7fad7525ffd0 <dlopen_doit>, args=args@entry=0x7ffefab27b80) at dlerror.c:163
#19 0x00007fad752600c1 in __dlopen (file=<optimized out>, mode=<optimized out>) at dlopen.c:87
#20 0x00007fad11d7bf25 in libmodman::module_manager::load_file (this=this@entry=0x14234c8, filename=..., symbreq=symbreq@entry=true) at /usr/src/debug/libmodman-2.0.1/libmodman/module_manager.cpp:250
#21 0x00007fad11d7c2b3 in libmodman::module_manager::load_dir (this=this@entry=0x14234c8, dirname=..., symbreq=symbreq@entry=true) at /usr/src/debug/libmodman-2.0.1/libmodman/module_manager.cpp:327
#22 0x00007fad11f8ce06 in libproxy::proxy_factory::proxy_factory (this=0x14234a0) at /usr/src/debug/libproxy-0.4.11/libproxy/proxy.cpp:165
#23 0x00007fad11f8d9bb in pxProxyFactory_ (this=0x14234a0) at /usr/src/debug/libproxy-0.4.11/libproxy/proxy.cpp:449
#24 px_proxy_factory_new () at /usr/src/debug/libproxy-0.4.11/libproxy/proxy.cpp:454
#25 0x00007fad121a36f9 in g_libproxy_resolver_init (resolver=0x182bd40) at glibproxyresolver.c:77
#26 0x00007fad76f350eb in g_type_create_instance (type=<optimized out>) at gtype.c:1870
#27 0x00007fad76f1a05d in g_object_new_internal (class=class@entry=0x3ee2b30, params=params@entry=0x0, n_params=n_params@entry=0) at gobject.c:1774
#28 0x00007fad76f1bb6d in g_object_newv (object_type=object_type@entry=65207120, n_parameters=n_parameters@entry=0, parameters=parameters@entry=0x0) at gobject.c:1921
#29 0x00007fad76f1c31c in g_object_new (object_type=object_type@entry=65207120, first_property_name=first_property_name@entry=0x0) at gobject.c:1614
#30 0x00007fad5ad5d071 in try_implementation (extension=<optimized out>, verify_func=verify_func@entry=0x7fad5ad6c550 <g_proxy_resolver_is_supported>) at giomodule.c:771
#31 0x00007fad5ad5d1f0 in _g_io_module_get_default (extension_point=extension_point@entry=0x7fad5adfeab4 "gio-proxy-resolver", envvar=envvar@entry=0x7fad5ae08416 "GIO_USE_PROXY_RESOLVER", verify_func=verify_func@entry=0x7fad5ad6c550 <g_proxy_resolver_is_supported>) at giomodule.c:870
#32 0x00007fad5ad6c5da in g_proxy_resolver_get_default () at gproxyresolver.c:76
#33 0x00007fad12ae9ffd in soup_proxy_resolver_default_constructed (object=0x41d7310) at soup-proxy-resolver-default.c:82
#34 0x00007fad76f1a092 in g_object_new_internal (class=class@entry=0x3e37670, params=params@entry=0x0, n_params=n_params@entry=0) at gobject.c:1814
#35 0x00007fad76f1bb6d in g_object_newv (object_type=object_type@entry=25658256, n_parameters=n_parameters@entry=0, parameters=parameters@entry=0x0) at gobject.c:1921
#36 0x00007fad76f1c31c in g_object_new (object_type=object_type@entry=25658256, first_property_name=first_property_name@entry=0x0) at gobject.c:1614
#37 0x00007fad12af3a7c in soup_session_add_feature_by_type (session=0x7fad3c004260, feature_type=25658256) at soup-session.c:2754
#38 0x00007fad12af453b in soup_session_set_property (object=0x7fad3c004260, prop_id=18, value=0x7ffefab28690, pspec=0x3cdd830) at soup-session.c:784
#39 0x00007fad76f1a878 in object_set_property (nqueue=0x15e7ab0, value=0x7ffefab28730, pspec=0x3cdd830, object=0x7fad3c004260) at gobject.c:1415
#40 g_object_new_with_custom_constructor (n_params=<optimized out>, params=0x0, class=0x3e873b0) at gobject.c:1753
#41 g_object_new_internal (class=class@entry=0x3e873b0, params=params@entry=0x7ffefab288a0, n_params=<optimized out>) at gobject.c:1772
#42 0x00007fad76f1bf24 in g_object_new_valist (object_type=<optimized out>, first_property_name=first_property_name@entry=0x7fad12d61ee4 "async-context", var_args=var_args@entry=0x7ffefab289f8) at gobject.c:2033
#43 0x00007fad12af713b in soup_session_async_new_with_options (optname1=optname1@entry=0x7fad12d61ee4 "async-context") at soup-session-async.c:77
#44 0x00007fad12d5f575 in gst_soup_http_src_session_open (src=0x1877f60) at gstsouphttpsrc.c:880
#45 0x00007fad4a954abe in gst_base_src_start (basesrc=basesrc@entry=0x1877f60) at gstbasesrc.c:3301
#46 0x00007fad4a954e90 in gst_base_src_activate_push (pad=0x7fad34037450, active=1, parent=0x1877f60) at gstbasesrc.c:3688
#47 gst_base_src_activate_mode (pad=0x7fad34037450, parent=0x1877f60, mode=GST_PAD_MODE_PUSH, active=1) at gstbasesrc.c:3765
#48 0x00007fad4b4c578f in gst_pad_activate_mode (pad=0x7fad34037450, mode=GST_PAD_MODE_PUSH, active=1) at gstpad.c:1147
#49 0x00007fad4b4c5d9b in gst_pad_set_active (pad=0x7fad34037450, active=1) at gstpad.c:1016
#50 0x00007fad4b4a86fb in activate_pads (vpad=<optimized out>, ret=0x7ffefab28d00, active=0x7ffefab28d5c) at gstelement.c:2687
#51 0x00007fad4b4b894c in gst_iterator_fold (it=it@entry=0x7fad1c002670, func=func@entry=0x7fad4b4a86e0 <activate_pads>, ret=ret@entry=0x7ffefab28d00, user_data=user_data@entry=0x7ffefab28d5c) at gstiterator.c:612
#52 0x00007fad4b4a8aaa in iterator_activate_fold_with_resync (iter=iter@entry=0x7fad1c002670, user_data=user_data@entry=0x7ffefab28d5c, func=0x7fad4b4a86e0 <activate_pads>) at gstelement.c:2707
#53 0x00007fad4b4aa620 in gst_element_pads_activate (element=element@entry=0x1877f60, active=1) at gstelement.c:2743
#54 0x00007fad4b4aa97a in gst_element_change_state_func (element=0x1877f60, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstelement.c:2815
#55 0x00007fad4a952f76 in gst_base_src_change_state (element=0x1877f60, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstbasesrc.c:3802
#56 0x00007fad4b4ac4f2 in gst_element_change_state (element=element@entry=0x1877f60, transition=<optimized out>) at gstelement.c:2602
#57 0x00007fad4b4ace28 in gst_element_continue_state (element=element@entry=0x1877f60, ret=ret@entry=GST_STATE_CHANGE_SUCCESS) at gstelement.c:2312
#58 0x00007fad4b4ac6ea in gst_element_change_state (element=element@entry=0x1877f60, transition=transition@entry=GST_STATE_CHANGE_NULL_TO_READY) at gstelement.c:2639
#59 0x00007fad4b4acbcc in gst_element_set_state_func (element=0x1877f60, state=GST_STATE_PAUSED) at gstelement.c:2558
#60 0x00007fad4b48fe99 in gst_bin_element_set_state (next=GST_STATE_PAUSED, current=GST_STATE_READY, start_time=0, base_time=0, element=0x1877f60, bin=0x18a3580) at gstbin.c:2328
#61 gst_bin_change_state_func (element=0x18a3580, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstbin.c:2665
#62 0x00007fad408790d0 in gst_uri_decode_bin_change_state (element=0x18a3580, transition=<optimized out>) at gsturidecodebin.c:2728
#63 0x00007fad4b4ac4f2 in gst_element_change_state (element=element@entry=0x18a3580, transition=transition@entry=GST_STATE_CHANGE_READY_TO_PAUSED) at gstelement.c:2602
#64 0x00007fad4b4acbcc in gst_element_set_state_func (element=0x18a3580, state=GST_STATE_PAUSED) at gstelement.c:2558
#65 0x00007fad4b48fe99 in gst_bin_element_set_state (next=GST_STATE_PAUSED, current=GST_STATE_READY, start_time=0, base_time=0, element=0x18a3580, bin=0x3acfec0) at gstbin.c:2328
#66 gst_bin_change_state_func (element=0x3acfec0, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstbin.c:2665
#67 0x00007fad4b4cbdb7 in gst_pipeline_change_state (element=0x3acfec0, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstpipeline.c:469
#68 0x00007fad40880d6c in gst_play_bin_change_state (element=0x3acfec0, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstplaybin2.c:5539
#69 0x00007fad4b4ac4f2 in gst_element_change_state (element=element@entry=0x3acfec0, transition=<optimized out>) at gstelement.c:2602
#70 0x00007fad4b4ace28 in gst_element_continue_state (element=element@entry=0x3acfec0, ret=ret@entry=GST_STATE_CHANGE_SUCCESS) at gstelement.c:2312
#71 0x00007fad4b4ac6ea in gst_element_change_state (element=element@entry=0x3acfec0, transition=transition@entry=GST_STATE_CHANGE_NULL_TO_READY) at gstelement.c:2639
#72 0x00007fad4b4acbcc in gst_element_set_state_func (element=0x3acfec0, state=GST_STATE_PAUSED) at gstelement.c:2558
#73 0x00007fad17cd3d22 in QGstreamerPlayerSession::pause (this=0x4a4f3b0) at qgstreamerplayersession.cpp:918
#74 0x00007fad17cd22ed in QGstreamerPlayerControl::setMedia (this=0x1619210, content=..., stream=0x0) at qgstreamerplayercontrol.cpp:434
#75 0x00007fad17f6a330 in QMediaPlayer::setMedia (this=0x46541e0, media=..., stream=stream@entry=0x0) at playback/qmediaplayer.cpp:881
#76 0x00007fad183fa255 in QDeclarativeAudio::setPlaybackState (this=0x18edb50, playbackState=<optimized out>) at qdeclarativeaudio.cpp:241
#77 0x00007fad183faed4 in play (this=0x18edb50) at qdeclarativeaudio.cpp:366
#78 QDeclarativeAudio::qt_static_metacall (_o=_o@entry=0x18edb50, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=22, _a=_a@entry=0x7ffefab29810) at .moc/moc_qdeclarativeaudio_p.cpp:332
#79 0x00007fad183fb4d7 in QDeclarativeAudio::qt_metacall (this=0x18edb50, _c=QMetaObject::InvokeMetaMethod, _id=22, _a=0x7ffefab29810) at .moc/moc_qdeclarativeaudio_p.cpp:527
#80 0x00007fad79799ae3 in CallMethod (object=object@entry=0x18edb50, index=27, returnType=returnType@entry=43, argCount=argCount@entry=0, argTypes=argTypes@entry=0x0, engine=engine@entry=0x386c610, callArgs=callArgs@entry=0x7fad18d7c3d8) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4qobjectwrapper.cpp:1169
#81 0x00007fad7979ad13 in CallPrecise (object=object@entry=0x18edb50, data=..., engine=engine@entry=0x386c610, callArgs=callArgs@entry=0x7fad18d7c3d8) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4qobjectwrapper.cpp:1407
#82 0x00007fad7979b3a3 in QV4::QObjectMethod::callInternal (this=<optimized out>, callData=0x7fad18d7c3d8) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4qobjectwrapper.cpp:1888
#83 0x00007fad797a6679 in call (d=0x7fad18d7c3d8, this=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4object_p.h:278
#84 QV4::Runtime::callProperty (context=0x7ffefab29e60, name=0x7fad18ae2510, callData=0x7fad18d7c3d8) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4runtime.cpp:930
#85 0x00007fad5800bc1d in ?? ()
#86 0x0000000001606430 in ?? ()
#87 0x00007fad3419aa78 in ?? ()
#88 0x0003000000000002 in ?? ()
#89 0x00007fad797d49f2 in QQmlPropertyPrivate::writeBinding (object=0x3875db0, core=..., context=0x7ffefab29e60, expression=0x3230690, result=..., isUndefined=<optimized out>, flags=...) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/qqmlproperty.cpp:1495
#90 0x00007fad797a6679 in call (d=0x7fad18d7c378, this=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4object_p.h:278
#91 QV4::Runtime::callProperty (context=0x7ffefab2a060, name=0x7fad18ae2510, callData=0x7fad18d7c378) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4runtime.cpp:930
#92 0x00007fad586bcbc8 in ?? ()
#93 0x00000000048d52a0 in ?? ()
#94 0x00007fad79e79d75 in QQuickImplicitSizeItem::qt_metacall (this=0x7fad18d7c3b8, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7ffefab2a000) at .moc/moc_qquickimplicitsizeitem_p.cpp:131
#95 0x0000000003875db0 in ?? ()
#96 0x00007fad18d7c360 in ?? ()
#97 0x000000000315a7a0 in ?? ()
#98 0x00007ffefab2a250 in ?? ()
#99 0x00007fad7975c84d in QV4::SimpleScriptFunction::call (that=0x7fad18ae2d20, callData=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4functionobject.cpp:511
#100 0x00007fad797a6679 in call (d=0x7fad18d7c310, this=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4object_p.h:278
#101 QV4::Runtime::callProperty (context=0x7ffefab2a250, name=0x7fad580cb470, callData=0x7fad18d7c310) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4runtime.cpp:930
#102 0x00007fad58069ef8 in ?? ()
#103 0x0000000000000002 in ?? ()
#104 0x4040000000000000 in ?? ()
#105 0x0003000000000008 in ?? ()
#106 0x0000000004b12010 in ?? ()
#107 0x0000000000000000 in ?? ()

Reported using DrKonqi