Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.1.31-30-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
Happens now every time, whenever I start the system: Yesterday it was all normal.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5a6c0f67c0 (LWP 2159))]

Thread 3 (Thread 0x7f5a4edb7700 (LWP 2177)):
#0  0x00007f5a655f7ccd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f5a61d19b60 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7f5a4edb6bf0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  0x00007f5a61d19b60 in g_wakeup_acknowledge (wakeup=0x7f5a500015b0) at gwakeup.c:210
#3  0x00007f5a61cd8999 in g_main_context_check (context=context@entry=0x7f5a48000990, max_priority=2147483647, fds=fds@entry=0x7f5a48003070, n_fds=n_fds@entry=1) at gmain.c:3600
#4  0x00007f5a61cd8df8 in g_main_context_iterate (context=context@entry=0x7f5a48000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#5  0x00007f5a61cd8f7c in g_main_context_iteration (context=0x7f5a48000990, may_block=1) at gmain.c:3869
#6  0x00007f5a65f28d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f5a480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x00007f5a65ecfd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f5a4edb6df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f5a65cf161a in QThread::exec() (this=this@entry=0x1f19440) at thread/qthread.cpp:503
#9  0x00007f5a69005e18 in QQmlThreadPrivate::run() (this=0x1f19440) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#10 0x00007f5a65cf632f in QThreadPrivate::start(void*) (arg=0x1f19440) at thread/qthread_unix.cpp:331
#11 0x00007f5a64e050a4 in start_thread (arg=0x7f5a4edb7700) at pthread_create.c:309
#12 0x00007f5a6560402d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f5a55b28700 (LWP 2162)):
#0  0x00007f5a655fbbfd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f5a6a54f422 in _xcb_conn_wait (__timeout=-1, __nfds=1, __fds=0x7f5a55b27d00) at /usr/include/bits/poll2.h:46
#2  0x00007f5a6a54f422 in _xcb_conn_wait (c=c@entry=0x1e35c20, cond=cond@entry=0x1e35c60, vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:459
#3  0x00007f5a6a55100f in xcb_wait_for_event (c=0x1e35c20) at xcb_in.c:693
#4  0x00007f5a57c793c9 in QXcbEventReader::run() (this=0x1e41fd0) at qxcbconnection.cpp:1229
#5  0x00007f5a65cf632f in QThreadPrivate::start(void*) (arg=0x1e41fd0) at thread/qthread_unix.cpp:331
#6  0x00007f5a64e050a4 in start_thread (arg=0x7f5a55b28700) at pthread_create.c:309
#7  0x00007f5a6560402d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f5a6c0f67c0 (LWP 2159)):
[KCrash Handler]
#6  0x00007f5a64e0e198 in __lll_unlock_elision () at ../nptl/sysdeps/unix/sysv/linux/x86/elision-unlock.c:33
#7  0x00007f5a64e0e198 in __lll_unlock_elision (lock=0x1e3bd20, private=0) at ../nptl/sysdeps/unix/sysv/linux/x86/elision-unlock.c:29
#8  0x00007f5a6a7aa2d2 in _XError (dpy=dpy@entry=0x1e34860, rep=rep@entry=0x7ffc6900bfc0) at XlibInt.c:1432
#9  0x00007f5a6111f87f in MakeContextCurrent (resource=0, errorCode=0 '\000', minorCode=26, dpy=0x1e34860) at glxcurrent.c:180
#10 0x00007f5a6111f87f in MakeContextCurrent (dpy=0x1e34860, draw=60817417, read=60817417, gc_user=0x20bf380) at glxcurrent.c:231
#11 0x00007f5a54d0c2f0 in QGLXContext::init(QXcbScreen*, QPlatformOpenGLContext*) (this=0x2029830, screen=<optimized out>, share=<optimized out>) at qglxintegration.cpp:320
#12 0x00007f5a54d0a7cb in QXcbGlxIntegration::createPlatformOpenGLContext(QOpenGLContext*) const (this=<optimized out>, context=0x7ffc6900c1d0) at qxcbglxintegration.cpp:187
#13 0x00007f5a57c7ac91 in QXcbIntegration::createPlatformOpenGLContext(QOpenGLContext*) const (this=<optimized out>, context=0x7ffc6900c1d0) at qxcbintegration.cpp:222
#14 0x00007f5a66464c6d in QOpenGLContext::create() (this=this@entry=0x7ffc6900c1d0) at kernel/qopenglcontext.cpp:594
#15 0x00007f5a54d0d1ad in QGLXContext::queryDummyContext() () at qglxintegration.cpp:661
#16 0x00007f5a54d0d321 in QGLXContext::supportsThreading() () at qglxintegration.cpp:692
#17 0x00007f5a69c0ef63 in QSGRenderLoop::instance() () at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/scenegraph/qsgrenderloop.cpp:178
#18 0x00007f5a69c3fc18 in QQuickWindowPrivate::init(QQuickWindow*, QQuickRenderControl*) (this=0x20f2900, c=0x20f7010, control=0x0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickwindow.cpp:450
#19 0x00007f5a6bb04d2e in PlasmaQuick::Dialog::Dialog(QQuickItem*) (this=0x20f7010, parent=<optimized out>) at /usr/src/debug/plasma-framework-5.21.0/src/plasmaquick/dialog.cpp:664
#20 0x00007f5a4d773920 in QQmlPrivate::createInto<PlasmaQuick::Dialog>(void*) (this=0x20f7010) at /usr/include/qt5/QtQml/qqmlprivate.h:93
#21 0x00007f5a4d773920 in QQmlPrivate::createInto<PlasmaQuick::Dialog>(void*) (memory=0x20f7010) at /usr/include/qt5/QtQml/qqmlprivate.h:102
#22 0x00007f5a68fa0df9 in QQmlType::create() const (this=this@entry=0x7f5a4803ea00) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlmetatype.cpp:715
#23 0x00007f5a68fff8c4 in QQmlObjectCreator::createInstance(int, QObject*, bool) (this=this@entry=0x20f5c90, index=index@entry=0, parent=parent@entry=0x0, isContextObject=isContextObject@entry=true) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlobjectcreator.cpp:1050
#24 0x00007f5a68ffffcf in QQmlObjectCreator::create(int, QObject*, QQmlInstantiationInterrupt*) (this=0x20f5c90, subComponentIndex=-1, parent=parent@entry=0x0, interrupt=interrupt@entry=0x7ffc6900c6d0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlobjectcreator.cpp:209
#25 0x00007f5a68f8f4e7 in QQmlIncubatorPrivate::incubate(QQmlInstantiationInterrupt&) (this=0x1f18f30, i=...) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlincubator.cpp:302
#26 0x00007f5a68f8fd4e in QQmlIncubationController::incubateFor(int) (this=this@entry=0x1fb1c30, msecs=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlincubator.cpp:395
#27 0x00007f5a6a08729c in KDeclarative::QmlObjectIncubationController::incubatingObjectCountChanged(int) (this=0x1fb1c20) at /usr/src/debug/kdeclarative-5.21.0/src/kdeclarative/private/qmlobject_p.h:63
#28 0x00007f5a6a08729c in KDeclarative::QmlObjectIncubationController::incubatingObjectCountChanged(int) (this=0x1fb1c20, count=1) at /usr/src/debug/kdeclarative-5.21.0/src/kdeclarative/private/qmlobject_p.h:79
#29 0x00007f5a68f8f9e5 in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) (this=this@entry=0x1f19150, i=..., forContext=forContext@entry=0x1fba1d0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlincubator.cpp:97
#30 0x00007f5a68f8b39c in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) (this=<optimized out>, incubator=..., context=<optimized out>, forContext=forContext@entry=0x0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlcomponent.cpp:1068
#31 0x00007f5a6a083a18 in KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant> const&) (this=0x1f133d0, initialProperties=...) at /usr/src/debug/kdeclarative-5.21.0/src/kdeclarative/qmlobject.cpp:323
#32 0x00007f5a6a083aec in KDeclarative::QmlObjectPrivate::scheduleExecutionEnd() (this=0x1f18a40) at /usr/src/debug/kdeclarative-5.21.0/src/kdeclarative/qmlobject.cpp:138
#33 0x00007f5a6a083ca5 in KDeclarative::QmlObjectPrivate::execute(QUrl const&) (this=0x1f18a40, source=...) at /usr/src/debug/kdeclarative-5.21.0/src/kdeclarative/qmlobject.cpp:131
#34 0x00007f5a6a083e8b in KDeclarative::QmlObject::setSource(QUrl const&) (this=<optimized out>, source=...) at /usr/src/debug/kdeclarative-5.21.0/src/kdeclarative/qmlobject.cpp:217
#35 0x00000000004690eb in Osd::Osd(ShellCorona*) (this=0x1f17410, corona=<optimized out>) at /usr/src/debug/plasma-workspace-5.5.5/shell/osd.cpp:42
#36 0x000000000045b608 in ShellCorona::ShellCorona(QObject*) (this=0x1ed6a30, parent=<optimized out>) at /usr/src/debug/plasma-workspace-5.5.5/shell/shellcorona.cpp:198
#37 0x0000000000465369 in ShellManager::loadHandlers() (this=0x1efa110) at /usr/src/debug/plasma-workspace-5.5.5/shell/shellmanager.cpp:103
#38 0x00007f5a65f02ac6 in QObject::event(QEvent*) (this=0x1efa110, e=<optimized out>) at kernel/qobject.cpp:1239
#39 0x00007f5a6724ce7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x1e25390, receiver=receiver@entry=0x1efa110, e=e@entry=0x1f03fb0) at kernel/qapplication.cpp:3716
#40 0x00007f5a67251cc8 in QApplication::notify(QObject*, QEvent*) (this=0x7ffc6900d4f0, receiver=0x1efa110, e=0x1f03fb0) at kernel/qapplication.cpp:3499
#41 0x00007f5a65ed1e95 in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffc6900d4f0, receiver=0x1efa110, event=event@entry=0x1f03fb0) at kernel/qcoreapplication.cpp:965
#42 0x00007f5a65ed4057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0x1f03fb0, receiver=<optimized out>) at kernel/qcoreapplication.h:224
#43 0x00007f5a65ed4057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1e1aac0) at kernel/qcoreapplication.cpp:1593
#44 0x00007f5a65ed4608 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#45 0x00007f5a65f298f3 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x1e6e200) at kernel/qeventdispatcher_glib.cpp:271
#46 0x00007f5a61cd8c84 in g_main_context_dispatch (context=0x7f5a500016f0) at gmain.c:3122
#47 0x00007f5a61cd8c84 in g_main_context_dispatch (context=context@entry=0x7f5a500016f0) at gmain.c:3737
#48 0x00007f5a61cd8ed8 in g_main_context_iterate (context=context@entry=0x7f5a500016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
#49 0x00007f5a61cd8f7c in g_main_context_iteration (context=0x7f5a500016f0, may_block=1) at gmain.c:3869
#50 0x00007f5a65f28d6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x1e6c060, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#51 0x00007f5a65ecfd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffc6900d380, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#52 0x00007f5a65ed78f6 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1229
#53 0x00007f5a6641b8ec in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1529
#54 0x00007f5a67249605 in QApplication::exec() () at kernel/qapplication.cpp:2976
#55 0x0000000000436b3d in main(int, char**) (argc=4, argv=<optimized out>) at /usr/src/debug/plasma-workspace-5.5.5/shell/main.cpp:184

Reported using DrKonqi