Bug 355751

Summary: Reload plasma
Product: [Plasma] plasmashell Reporter: Nikolay <darkeyenick>
Component: Application Menu (Kicker)Assignee: Eike Hein <hein>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bhush94, gauvain, germano.massullo, jessetalavera, manuel, opensuse.lietuviu.kalba, plasma-bugs, prometheoid, qneverless, raquinio, sacviper, sprklng, vadim
Priority: NOR Keywords: drkonqi
Version: 5.4.2   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Nikolay 2015-11-22 20:17:22 UTC 
Application: plasmashell (5.4.2)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-18-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3e3f4b6800 (LWP 1397))]

Thread 7 (Thread 0x7f3e23fff700 (LWP 1431)):
#0  0x00007f3e3a35290f in QBasicAtomicOps<8>::testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x1839718: 0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  QGenericAtomicOps<QBasicAtomicOps<8> >::testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, _q_value=@0x1839718: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:175
#2  QBasicAtomicPointer<QMutexData>::testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, this=this@entry=0x1839718) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:272
#3  QBasicMutex::fastTryUnlock (current=<synthetic pointer>, this=this@entry=0x1839718) at thread/qmutex.h:85
#4  QMutex::unlock (this=this@entry=0x1839718) at thread/qmutex.cpp:264
#5  0x00007f3e3a590b05 in QMutexLocker::unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:138
#6  QMutexLocker::~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:132
#7  QThreadData::canWaitLocked (this=<optimized out>) at ../../include/QtCore/5.4.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#8  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7f3e1c0012d0) at kernel/qeventdispatcher_glib.cpp:254
#9  postEventSourceCheck (source=0x7f3e1c0012d0) at kernel/qeventdispatcher_glib.cpp:264
#10 0x00007f3e36a13c21 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f3e36a14190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f3e3a59129b in QEventDispatcherGlib::processEvents (this=0x7f3e1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#14 0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7f3e23ffeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#15 0x00007f3e3a3553d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#16 0x00007f3e3cb7df85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f3e3a35a2be in QThreadPrivate::start (arg=0x182f640) at thread/qthread_unix.cpp:337
#18 0x00007f3e394496aa in start_thread (arg=0x7f3e23fff700) at pthread_create.c:333
#19 0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f3e18d28700 (LWP 1438)):
#0  0x00007f3e36a58884 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3e36a13d8a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3e36a14250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3e3a59129b in QEventDispatcherGlib::processEvents (this=0x7f3e140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7f3e18d27da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3e3a3553d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3e3cb7df85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3e3a35a2be in QThreadPrivate::start (arg=0x1b265f0) at thread/qthread_unix.cpp:337
#9  0x00007f3e394496aa in start_thread (arg=0x7f3e18d28700) at pthread_create.c:333
#10 0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f3e1241f700 (LWP 1445)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:63
#1  0x00007f3e39c678d2 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f3e36a141ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3e3a59129b in QEventDispatcherGlib::processEvents (this=0x7f3e040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7f3e1241eda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3e3a3553d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3e3cb7df85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3e3a35a2be in QThreadPrivate::start (arg=0x1caf540) at thread/qthread_unix.cpp:337
#9  0x00007f3e394496aa in start_thread (arg=0x7f3e1241f700) at pthread_create.c:333
#10 0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f3e10bdb700 (LWP 1498)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3e3ef09114 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f3e3ef09159 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f3e394496aa in start_thread (arg=0x7f3e10bdb700) at pthread_create.c:333
#4  0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f3e09cf2700 (LWP 1509)):
#0  0x00007f3e39c678dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3e36a141ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3e3a59129b in QEventDispatcherGlib::processEvents (this=0x7f3d800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7f3e09cf1d50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3e3a3553d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3e3d4f9ef6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3e3a35a2be in QThreadPrivate::start (arg=0x206fe20) at thread/qthread_unix.cpp:337
#8  0x00007f3e394496aa in start_thread (arg=0x7f3e09cf2700) at pthread_create.c:333
#9  0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f3d74590700 (LWP 1831)):
#0  0x00007f3e36a13b4e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3e36a14190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3e3a59129b in QEventDispatcherGlib::processEvents (this=0x7f3d6c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7f3d7458fd80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3e3a3553d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d768278f7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f3e3a35a2be in QThreadPrivate::start (arg=0x43f5610) at thread/qthread_unix.cpp:337
#8  0x00007f3e394496aa in start_thread (arg=0x7f3d74590700) at pthread_create.c:333
#9  0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f3e3f4b6800 (LWP 1397)):
[KCrash Handler]
#6  0x00007f3e3ccbe178 in vtable for QQmlPropertyPrivate () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3e3a570d40 in QObject::connect (sender=0x5346e90, signal=0x7f3e3cbee953 "2destroyed(QObject*)", receiver=0x58b6e20, method=0x7f3e3cbf2680 "1removeDestroyedObject(QObject*)", type=Qt::AutoConnection) at kernel/qobject.cpp:2629
#8  0x00007f3e3cac40c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f3e3cac44c4 in QV4::QObjectWrapper::wrap(QV4::ExecutionEngine*, QObject*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f3e3cb7fc9c in QV8Engine::fromVariant(QVariant const&) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f3e3cacc53c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f3e3a56a617 in QtPrivate::QSlotObjectBase::call (a=0x7ffe7b517d00, r=0x20bfb60, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#13 QMetaObject::activate (sender=0x20bfb60, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe7b517d00) at kernel/qobject.cpp:3702
#14 0x00007f3e3a56af87 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f3e094f0800 <WindowSystem::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe7b517d00) at kernel/qobject.cpp:3582
#15 0x00007f3e092daeb2 in WindowSystem::focusOut (_t1=0x5346e90, this=<optimized out>) at moc_windowsystem.cpp:171
#16 WindowSystem::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at moc_windowsystem.cpp:103
#17 0x00007f3e3a56b651 in QObject::event (this=0x20bfb60, e=<optimized out>) at kernel/qobject.cpp:1245
#18 0x00007f3e3b017b8c in QApplicationPrivate::notify_helper (this=this@entry=0x17496a0, receiver=receiver@entry=0x20bfb60, e=e@entry=0x57b1d40) at kernel/qapplication.cpp:3720
#19 0x00007f3e3b01d230 in QApplication::notify (this=0x7ffe7b5183c0, receiver=0x20bfb60, e=0x57b1d40) at kernel/qapplication.cpp:3503
#20 0x00007f3e3a539f1b in QCoreApplication::notifyInternal (this=0x7ffe7b5183c0, receiver=0x20bfb60, event=event@entry=0x57b1d40) at kernel/qcoreapplication.cpp:935
#21 0x00007f3e3a53c057 in QCoreApplication::sendEvent (event=0x57b1d40, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#22 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x173ed70) at kernel/qcoreapplication.cpp:1552
#23 0x00007f3e3a53c588 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#24 0x00007f3e3a590e73 in postEventSourceDispatch (s=0x177d410) at kernel/qeventdispatcher_glib.cpp:271
#25 0x00007f3e36a13ff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f3e36a14250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f3e3a59127f in QEventDispatcherGlib::processEvents (this=0x177d4d0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#29 0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7ffe7b518240, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#30 0x00007f3e3a53f2cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#31 0x00007f3e3a85400c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#32 0x00007f3e3b014025 in QApplication::exec () at kernel/qapplication.cpp:2956
#33 0x00000000004322c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3e3f4b6800 (LWP 1397))]

Thread 7 (Thread 0x7f3e23fff700 (LWP 1431)):
#0  0x00007f3e3a35290f in QBasicAtomicOps<8>::testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x1839718: 0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  QGenericAtomicOps<QBasicAtomicOps<8> >::testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, _q_value=@0x1839718: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:175
#2  QBasicAtomicPointer<QMutexData>::testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, this=this@entry=0x1839718) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:272
#3  QBasicMutex::fastTryUnlock (current=<synthetic pointer>, this=this@entry=0x1839718) at thread/qmutex.h:85
#4  QMutex::unlock (this=this@entry=0x1839718) at thread/qmutex.cpp:264
#5  0x00007f3e3a590b05 in QMutexLocker::unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:138
#6  QMutexLocker::~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:132
#7  QThreadData::canWaitLocked (this=<optimized out>) at ../../include/QtCore/5.4.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#8  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7f3e1c0012d0) at kernel/qeventdispatcher_glib.cpp:254
#9  postEventSourceCheck (source=0x7f3e1c0012d0) at kernel/qeventdispatcher_glib.cpp:264
#10 0x00007f3e36a13c21 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f3e36a14190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f3e3a59129b in QEventDispatcherGlib::processEvents (this=0x7f3e1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#14 0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7f3e23ffeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#15 0x00007f3e3a3553d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#16 0x00007f3e3cb7df85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f3e3a35a2be in QThreadPrivate::start (arg=0x182f640) at thread/qthread_unix.cpp:337
#18 0x00007f3e394496aa in start_thread (arg=0x7f3e23fff700) at pthread_create.c:333
#19 0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f3e18d28700 (LWP 1438)):
#0  0x00007f3e36a58884 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3e36a13d8a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3e36a14250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3e3a59129b in QEventDispatcherGlib::processEvents (this=0x7f3e140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7f3e18d27da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3e3a3553d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3e3cb7df85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3e3a35a2be in QThreadPrivate::start (arg=0x1b265f0) at thread/qthread_unix.cpp:337
#9  0x00007f3e394496aa in start_thread (arg=0x7f3e18d28700) at pthread_create.c:333
#10 0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f3e1241f700 (LWP 1445)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:63
#1  0x00007f3e39c678d2 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f3e36a141ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3e3a59129b in QEventDispatcherGlib::processEvents (this=0x7f3e040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7f3e1241eda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3e3a3553d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3e3cb7df85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3e3a35a2be in QThreadPrivate::start (arg=0x1caf540) at thread/qthread_unix.cpp:337
#9  0x00007f3e394496aa in start_thread (arg=0x7f3e1241f700) at pthread_create.c:333
#10 0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f3e10bdb700 (LWP 1498)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3e3ef09114 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f3e3ef09159 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f3e394496aa in start_thread (arg=0x7f3e10bdb700) at pthread_create.c:333
#4  0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f3e09cf2700 (LWP 1509)):
#0  0x00007f3e39c678dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3e36a141ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3e3a59129b in QEventDispatcherGlib::processEvents (this=0x7f3d800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7f3e09cf1d50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3e3a3553d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3e3d4f9ef6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3e3a35a2be in QThreadPrivate::start (arg=0x206fe20) at thread/qthread_unix.cpp:337
#8  0x00007f3e394496aa in start_thread (arg=0x7f3e09cf2700) at pthread_create.c:333
#9  0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f3d74590700 (LWP 1831)):
#0  0x00007f3e36a13b4e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3e36a14190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3e3a59129b in QEventDispatcherGlib::processEvents (this=0x7f3d6c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7f3d7458fd80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3e3a3553d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d768278f7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f3e3a35a2be in QThreadPrivate::start (arg=0x43f5610) at thread/qthread_unix.cpp:337
#8  0x00007f3e394496aa in start_thread (arg=0x7f3d74590700) at pthread_create.c:333
#9  0x00007f3e39c72eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f3e3f4b6800 (LWP 1397)):
[KCrash Handler]
#6  0x00007f3e3ccbe178 in vtable for QQmlPropertyPrivate () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3e3a570d40 in QObject::connect (sender=0x5346e90, signal=0x7f3e3cbee953 "2destroyed(QObject*)", receiver=0x58b6e20, method=0x7f3e3cbf2680 "1removeDestroyedObject(QObject*)", type=Qt::AutoConnection) at kernel/qobject.cpp:2629
#8  0x00007f3e3cac40c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f3e3cac44c4 in QV4::QObjectWrapper::wrap(QV4::ExecutionEngine*, QObject*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f3e3cb7fc9c in QV8Engine::fromVariant(QVariant const&) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f3e3cacc53c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f3e3a56a617 in QtPrivate::QSlotObjectBase::call (a=0x7ffe7b517d00, r=0x20bfb60, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#13 QMetaObject::activate (sender=0x20bfb60, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe7b517d00) at kernel/qobject.cpp:3702
#14 0x00007f3e3a56af87 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f3e094f0800 <WindowSystem::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe7b517d00) at kernel/qobject.cpp:3582
#15 0x00007f3e092daeb2 in WindowSystem::focusOut (_t1=0x5346e90, this=<optimized out>) at moc_windowsystem.cpp:171
#16 WindowSystem::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at moc_windowsystem.cpp:103
#17 0x00007f3e3a56b651 in QObject::event (this=0x20bfb60, e=<optimized out>) at kernel/qobject.cpp:1245
#18 0x00007f3e3b017b8c in QApplicationPrivate::notify_helper (this=this@entry=0x17496a0, receiver=receiver@entry=0x20bfb60, e=e@entry=0x57b1d40) at kernel/qapplication.cpp:3720
#19 0x00007f3e3b01d230 in QApplication::notify (this=0x7ffe7b5183c0, receiver=0x20bfb60, e=0x57b1d40) at kernel/qapplication.cpp:3503
#20 0x00007f3e3a539f1b in QCoreApplication::notifyInternal (this=0x7ffe7b5183c0, receiver=0x20bfb60, event=event@entry=0x57b1d40) at kernel/qcoreapplication.cpp:935
#21 0x00007f3e3a53c057 in QCoreApplication::sendEvent (event=0x57b1d40, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#22 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x173ed70) at kernel/qcoreapplication.cpp:1552
#23 0x00007f3e3a53c588 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#24 0x00007f3e3a590e73 in postEventSourceDispatch (s=0x177d410) at kernel/qeventdispatcher_glib.cpp:271
#25 0x00007f3e36a13ff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f3e36a14250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f3e36a142fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f3e3a59127f in QEventDispatcherGlib::processEvents (this=0x177d4d0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#29 0x00007f3e3a53775a in QEventLoop::exec (this=this@entry=0x7ffe7b518240, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#30 0x00007f3e3a53f2cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#31 0x00007f3e3a85400c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#32 0x00007f3e3b014025 in QApplication::exec () at kernel/qapplication.cpp:2956
#33 0x00000000004322c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176

Reported using DrKonqi
Comment 1 Marco Martin 2015-11-25 10:03:29 UTC 
*** Bug 355728 has been marked as a duplicate of this bug. ***
Comment 2 Marco Martin 2015-11-25 10:03:46 UTC 
*** Bug 353307 has been marked as a duplicate of this bug. ***
Comment 3 Marco Martin 2015-11-25 10:04:59 UTC 
*** Bug 355520 has been marked as a duplicate of this bug. ***
Comment 4 Marco Martin 2015-11-25 10:05:47 UTC 
*** Bug 355431 has been marked as a duplicate of this bug. ***
Comment 5 Marco Martin 2015-11-25 10:06:17 UTC 
*** Bug 355302 has been marked as a duplicate of this bug. ***
Comment 6 Marco Martin 2015-11-25 10:06:42 UTC 
*** Bug 354267 has been marked as a duplicate of this bug. ***
Comment 7 Marco Martin 2015-11-25 10:07:06 UTC 
*** Bug 354228 has been marked as a duplicate of this bug. ***
Comment 8 Marco Martin 2015-11-25 10:08:09 UTC 
*** Bug 354093 has been marked as a duplicate of this bug. ***
Comment 9 Marco Martin 2015-11-25 10:08:29 UTC 
*** Bug 353364 has been marked as a duplicate of this bug. ***
Comment 10 David Edmundson 2015-12-04 00:10:28 UTC 
Please reopen if you see this with 5.5.

*** This bug has been marked as a duplicate of bug 354660 ***
Comment 11 David Edmundson 2016-01-09 01:35:50 UTC 
*** Bug 357717 has been marked as a duplicate of this bug. ***