[systemsettings] [Bug 392590] New: [Wayland] System settings crash when I leave "launch feedback"

Dr. Chapatin bugzilla_noreply at kde.org
Sun Apr 1 01:30:27 BST 2018 

https://bugs.kde.org/show_bug.cgi?id=392590

            Bug ID: 392590
           Summary: [Wayland] System settings crash when I leave "launch
                    feedback"
           Product: systemsettings
           Version: unspecified
          Platform: Neon Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: kcm_launch
          Assignee: unassigned-bugs at kde.org
          Reporter: bugseforuns at gmx.com
  Target Milestone: ---

Reproducible on neon dev unstable.
open system settings > applications > launch feedback
back to all settings... crash


Thread 3 (Thread 0x7fffd1c91700 (LWP 23819)):
#0  0x00007ffff381174d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffeceb138c in g_main_context_poll (priority=2147483647, n_fds=1, 
    fds=0x7fffcc003070, timeout=<optimized out>, context=0x7fffcc000990)
    at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:4135
#2  g_main_context_iterate (context=context at entry=0x7fffcc000990, 
    block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>)
    at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3835
#3  0x00007fffeceb149c in g_main_context_iteration (context=0x7fffcc000990, 
    may_block=may_block at entry=1)
    at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#4  0x00007ffff41445af in QEventDispatcherGlib::processEvents (
    this=0x7fffcc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007ffff40eb64a in QEventLoop::exec (this=this at entry=0x7fffd1c90ca0, 
---Type <return> to continue, or q <return> to quit---
    gs=..., flags at entry=...) at kernel/qeventloop.cpp:212                       
#6  0x00007ffff3f0b554 in QThread::exec (this=this at entry=0xa8d3a0) at
thread/qthread.cpp:522           
#7  0x00007ffff1a49a35 in QQmlThreadPrivate::run (this=0xa8d3a0) at
qml/ftw/qqmlthread.cpp:147         
#8  0x00007ffff3f106eb in QThreadPrivate::start (arg=0xa8d3a0) at
thread/qthread_unix.cpp:376          
#9  0x00007fffef1c56ba in start_thread (arg=0x7fffd1c91700) at
pthread_create.c:333                    
#10 0x00007ffff381d41d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109                    

Thread 2 (Thread 0x7fffe1698700 (LWP 23021)):                                   
#0  0x00007ffff381174d in poll () at ../sysdeps/unix/syscall-template.S:84      
#1  0x00007fffeceb138c in g_main_context_poll (priority=2147483647, n_fds=2,
fds=0x7fffdc003220, 
    timeout=<optimized out>, context=0x7fffdc000990)
    at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:4135
#2  g_main_context_iterate (context=context at entry=0x7fffdc000990,
block=block at entry=1, 
    dispatch=dispatch at entry=1, self=<optimized out>)
    at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3835
#3  0x00007fffeceb149c in g_main_context_iteration (context=0x7fffdc000990, 
    may_block=may_block at entry=1) at
/build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#4  0x00007ffff41445cb in QEventDispatcherGlib::processEvents
(this=0x7fffdc0008c0, flags=...)
    at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007ffff40eb64a in QEventLoop::exec (this=this at entry=0x7fffe1697c90,
flags=..., 
    flags at entry=...) at kernel/qeventloop.cpp:212
#6  0x00007ffff3f0b554 in QThread::exec (
    this=this at entry=0x7ffff47dbd60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>)
    at thread/qthread.cpp:522
---Type <return> to continue, or q <return> to quit---
#7  0x00007ffff45672c5 in QDBusConnectionManager::run (
    this=0x7ffff47dbd60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>)
    at qdbusconnection.cpp:178
#8  0x00007ffff3f106eb in QThreadPrivate::start (
    arg=0x7ffff47dbd60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>)
    at thread/qthread_unix.cpp:376
#9  0x00007fffef1c56ba in start_thread (arg=0x7fffe1698700) at
pthread_create.c:333
#10 0x00007ffff381d41d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7ffff7f27900 (LWP 22025)):
#0  QQmlData::isSignalConnected (d=0x6d006f0063006f, index=7) at
qml/qqmlengine.cpp:864
#1  0x00007ffff4119e7b in QObjectPrivate::isDeclarativeSignalConnected
(signal_index=7, 
    this=<optimized out>) at kernel/qobject_p.h:267
#2  QMetaObject::activate (sender=0xafee50, signalOffset=<optimized out>, 
    local_signal_index=<optimized out>, argv=0x7fffffffd1d0) at
kernel/qobject.cpp:3641
#3  0x00007ffff6dedd7f in KCModule::changed(bool) ()
   from /usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5
#4  0x00007ffff411a7b6 in QtPrivate::QSlotObjectBase::call (a=0x7fffffffd2c0,
r=0xae3c20, 
    this=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:378
#5  QMetaObject::activate (sender=0xae3c20, signalOffset=<optimized out>, 
    local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3749
#6  0x00007fffd1c95c7f in LaunchFeedback::updateNeedsSave (this=0xae3c20)
    at /workspace/build/kcms/launch/launchfeedback.cpp:199
#7  0x00007fffd1c9836b in LaunchFeedback::qt_metacall (this=0xae3c20,
_c=QMetaObject::WriteProperty, 
---Type <return> to continue, or q <return> to quit---
    _id=0, _a=0x7fffffffd4d0)
    at
/workspace/build/obj-x86_64-linux-gnu/kcms/launch/moc_launchfeedback.cpp:202
#8  0x00007ffff197d02f in QV4::QObjectWrapper::setProperty
(engine=engine at entry=0xb28ba0, 
    object=object at entry=0xae3c20, property=0xbfa9a8, value=...) at
jsruntime/qv4qobjectwrapper.cpp:498
#9  0x00007ffff197dd1b in QV4::QObjectWrapper::setQmlProperty (engine=0xb28ba0, 
    qmlContext=<optimized out>, object=0xae3c20, name=<optimized out>, 
    revisionMode=QV4::QObjectWrapper::IgnoreRevision, value=...)
    at jsruntime/qv4qobjectwrapper.cpp:423
#10 0x00007ffff197de1d in QV4::QObjectWrapper::put (m=0x7fffd0c523f0,
name=0x7fffd0c523e8, value=...)
    at jsruntime/qv4qobjectwrapper.cpp:697
#11 0x00007ffff198ce1d in QV4::Object::put (v=..., name=<optimized out>,
this=<optimized out>)
    at jsruntime/qv4object_p.h:386
#12 QV4::Runtime::method_setProperty (engine=0xb28ba0, object=...,
nameIndex=<optimized out>, 
    value=...) at jsruntime/qv4runtime.cpp:601
#13 0x00007fffe000f2be in ?? ()
#14 0x3fe0000000000010 in ?? ()
#15 0x00000000000000f8 in ?? ()
#16 0x00007fffffffd740 in ?? ()
#17 0x0003200000000003 in ?? ()
#18 0x000000000179af00 in ?? ()
#19 0x00007fffffffd6e0 in ?? ()
#20 0x00007fffffffd6c0 in ?? ()
#21 0x00007fffd0c52378 in ?? ()
#22 0x0000000000b28ba0 in ?? ()
---Type <return> to continue, or q <return> to quit---
#23 0x00007fffffffd740 in ?? ()
#24 0x0000000000b28ba0 in ?? ()
#25 0x00007ffff18e788b in QV4::ExecutionContext::simpleCall (this=<optimized
out>, scope=..., 
    callData=<optimized out>, function=0xb82770) at
jsruntime/qv4context.cpp:302
#26 0x00007ffff1909ca5 in QV4::ScriptFunction::call (that=<optimized out>,
scope=..., 
    callData=<optimized out>) at jsruntime/qv4functionobject.cpp:409
#27 0x00007ffff1a472af in QV4::Object::call (d=<optimized out>, scope=...,
this=<optimized out>)
    at
../../include/QtQml/5.10.0/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h:445
#28 QQmlDelayedCallQueue::DelayedFunctionCall::execute (this=0x1790fb0,
engine=<optimized out>)
    at qml/qqmldelayedcallqueue.cpp:76
#29 0x00007ffff1a476c8 in QQmlDelayedCallQueue::executeAllExpired_Later
(this=0xa8d698)
    at qml/qqmldelayedcallqueue.cpp:201
#30 0x00007ffff411b4c9 in QObject::event (this=0xa8d698, e=<optimized out>) at
kernel/qobject.cpp:1246
#31 0x00007ffff50b9acc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
()
   from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007ffff50c1417 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007ffff40ed3c8 in QCoreApplication::notifyInternal2 (receiver=0xa8d698, 
    event=event at entry=0xb0fdd0) at kernel/qcoreapplication.cpp:1044
#34 0x00007ffff40effcb in QCoreApplication::sendEvent (event=0xb0fdd0,
receiver=<optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#35 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver at entry=0x0, 
    event_type=event_type at entry=0, data=0x6354f0) at
kernel/qcoreapplication.cpp:1719
#36 0x00007ffff40f0438 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, 
---Type <return> to continue, or q <return> to quit---
    event_type=event_type at entry=0) at kernel/qcoreapplication.cpp:1573
#37 0x00007ffff4144fa3 in postEventSourceDispatch (s=0x6734c0) at
kernel/qeventdispatcher_glib.cpp:276
#38 0x00007fffeceb1197 in g_main_dispatch (context=0x69c800)
    at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3154
#39 g_main_context_dispatch (context=context at entry=0x69c800)
    at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3769
#40 0x00007fffeceb13f0 in g_main_context_iterate
(context=context at entry=0x69c800, 
    block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>)
    at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3840
#41 0x00007fffeceb149c in g_main_context_iteration (context=0x69c800,
may_block=may_block at entry=1)
    at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#42 0x00007ffff41445af in QEventDispatcherGlib::processEvents (this=0x68f6c0,
flags=...)
    at kernel/qeventdispatcher_glib.cpp:423
#43 0x00007fffe640ea91 in
QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
    () from /usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#44 0x00007ffff40eb64a in QEventLoop::exec (this=this at entry=0x7fffffffdd10,
flags=..., 
    flags at entry=...) at kernel/qeventloop.cpp:212
#45 0x00007ffff40f4854 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1332
#46 0x000000000040b7c0 in main (argc=1, argv=<optimized out>) at
/workspace/build/app/main.cpp:71

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