Application: plasmashell (5.4.3)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (stretch)

-- Information about the crash:
- What I was doing when the application crashed:
starting mopidy with mpris plugin - plasma tried to restart few times, but every time crash

The crash can be reproduced every time.

-- Backtrace:
Application: Plazma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f195b0ad940 (LWP 7327))]

Thread 8 (Thread 0x7f1945ff3700 (LWP 7329)):
#0  0x00007f19557e5e4d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1959898382 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f1959899ff7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f19472ea789 in QXcbEventReader::run (this=0x11582c0) at qxcbconnection.cpp:1230
#4  0x00007f1955eca7fe in QThreadPrivate::start (arg=0x11582c0) at thread/qthread_unix.cpp:331
#5  0x00007f1954fee454 in start_thread (arg=0x7f1945ff3700) at pthread_create.c:334
#6  0x00007f19557eeedd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f193f5ef700 (LWP 7332)):
#0  0x00007f19525d6a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1952591b99 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f19525922a7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f195259243c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1956101a5b in QEventDispatcherGlib::processEvents (this=0x7f19380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f19560a8d6a in QEventLoop::exec (this=this@entry=0x7f193f5eec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f1955ec5854 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f1958758105 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f1955eca7fe in QThreadPrivate::start (arg=0x1230630) at thread/qthread_unix.cpp:331
#9  0x00007f1954fee454 in start_thread (arg=0x7f193f5ef700) at pthread_create.c:334
#10 0x00007f19557eeedd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f1936d8d700 (LWP 7333)):
#0  0x00007f19557e5e4d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f195259232c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f195259243c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1956101a5b in QEventDispatcherGlib::processEvents (this=0x7f19300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f19560a8d6a in QEventLoop::exec (this=this@entry=0x7f1936d8cc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1955ec5854 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1958758105 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1955eca7fe in QThreadPrivate::start (arg=0x14e2180) at thread/qthread_unix.cpp:331
#8  0x00007f1954fee454 in start_thread (arg=0x7f1936d8d700) at pthread_create.c:334
#9  0x00007f19557eeedd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f192ffff700 (LWP 7337)):
#0  0x00007f19557e5e4d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f195259232c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f195259243c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1956101a5b in QEventDispatcherGlib::processEvents (this=0x7f19280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f19560a8d6a in QEventLoop::exec (this=this@entry=0x7f192fffec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1955ec5854 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1958758105 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1955eca7fe in QThreadPrivate::start (arg=0x15a0950) at thread/qthread_unix.cpp:331
#8  0x00007f1954fee454 in start_thread (arg=0x7f192ffff700) at pthread_create.c:334
#9  0x00007f19557eeedd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f192e7bd700 (LWP 7340)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f195ab051c4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f195ab05209 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f1954fee454 in start_thread (arg=0x7f192e7bd700) at pthread_create.c:334
#4  0x00007f19557eeedd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f18a73c5700 (LWP 7344)):
#0  0x00007f19525d6a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f19525918b0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f195259225b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f195259243c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1956101a5b in QEventDispatcherGlib::processEvents (this=0x7f18a0005010, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f19560a8d6a in QEventLoop::exec (this=this@entry=0x7f18a73c4c10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f1955ec5854 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f19590e0136 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f1955eca7fe in QThreadPrivate::start (arg=0x32336e0) at thread/qthread_unix.cpp:331
#9  0x00007f1954fee454 in start_thread (arg=0x7f18a73c5700) at pthread_create.c:334
#10 0x00007f19557eeedd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f18a63b4700 (LWP 7347)):
#0  0x00007f19557e1e2d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f19525d56f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1952591e14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f19525922d0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f195259243c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1956101a5b in QEventDispatcherGlib::processEvents (this=0x7f189800ca40, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f19560a8d6a in QEventLoop::exec (this=this@entry=0x7f18a63b3c40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f1955ec5854 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f189e40c637 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007f1955eca7fe in QThreadPrivate::start (arg=0x17f1fa0) at thread/qthread_unix.cpp:331
#10 0x00007f1954fee454 in start_thread (arg=0x7f18a63b4700) at pthread_create.c:334
#11 0x00007f19557eeedd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f195b0ad940 (LWP 7327)):
[KCrash Handler]
#6  0x000000000000006c in ?? ()
#7  0x00007f1952313d65 in _dbus_type_reader_recurse (reader=reader@entry=0x3ef3a58, sub=sub@entry=0x7ffe683463a8) at ../../dbus/dbus-marshal-recursive.c:1035
#8  0x00007f1952318828 in dbus_message_iter_recurse (iter=iter@entry=0x3ef3a48, sub=sub@entry=0x7ffe68346398) at ../../dbus/dbus-message.c:2242
#9  0x00007f195b22ac28 in q_dbus_message_iter_recurse (sub=0x7ffe68346398, iter=0x3ef3a48) at qdbus_symbols_p.h:335
#10 QDBusDemarshaller::toVariant (this=0x3ef3a30) at qdbusdemarshaller.cpp:175
#11 QDBusArgument::operator>> (this=0x7ffe68346500, arg=...) at qdbusargument.cpp:785
#12 0x00007f195b22ad17 in operator>> (a=..., v=...) at qdbusargument.cpp:1133
#13 0x00007f1891bc8c69 in operator>><QString, QVariant> (map=..., arg=...) at /usr/include/x86_64-linux-gnu/qt5/QtDBus/qdbusargument.h:319
#14 PlayerContainer::copyProperty (this=this@entry=0x3d89940, propName=..., _value=..., expType=QVariant::Map, updType=updType@entry=PlayerContainer::FetchAll) at /build/plasma-workspace-KFkJSD/plasma-workspace-5.4.3/dataengines/mpris2/playercontainer.cpp:189
#15 0x00007f1891bcad9c in PlayerContainer::updateFromMap (this=this@entry=0x3d89940, map=..., updType=updType@entry=PlayerContainer::FetchAll) at /build/plasma-workspace-KFkJSD/plasma-workspace-5.4.3/dataengines/mpris2/playercontainer.cpp:277
#16 0x00007f1891bcbba1 in PlayerContainer::getPropsFinished (this=0x3d89940, watcher=<optimized out>) at /build/plasma-workspace-KFkJSD/plasma-workspace-5.4.3/dataengines/mpris2/playercontainer.cpp:331
#17 0x00007f1891bd0654 in PlayerContainer::qt_static_metacall (_o=_o@entry=0x3d89940, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=3, _a=_a@entry=0x7ffe68346ba0) at /build/plasma-workspace-KFkJSD/plasma-workspace-5.4.3/obj-x86_64-linux-gnu/dataengines/mpris2/moc_playercontainer.cpp:110
#18 0x00007f19560d9f8a in QMetaObject::activate (sender=0x399d990, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe68346ba0) at kernel/qobject.cpp:3713
#19 0x00007f19560da797 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f195b2526a0 <QDBusPendingCallWatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe68346ba0) at kernel/qobject.cpp:3578
#20 0x00007f195b237f6f in QDBusPendingCallWatcher::finished (this=<optimized out>, _t1=0x399d990) at .moc/moc_qdbuspendingcall.cpp:148
#21 0x00007f195b239645 in QDBusPendingCallWatcherPrivate::_q_finished (this=<optimized out>) at qdbuspendingcall.cpp:488
#22 QDBusPendingCallWatcher::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qdbuspendingcall.cpp:80
#23 0x00007f19560dae61 in QObject::event (this=0x399d990, e=<optimized out>) at kernel/qobject.cpp:1239
#24 0x00007f1956badffc in QApplicationPrivate::notify_helper (this=this@entry=0x114cf80, receiver=receiver@entry=0x399d990, e=e@entry=0x2e19eb0) at kernel/qapplication.cpp:3716
#25 0x00007f1956bb34b6 in QApplication::notify (this=0x7ffe683472b0, receiver=0x399d990, e=0x2e19eb0) at kernel/qapplication.cpp:3499
#26 0x00007f19560ab5ab in QCoreApplication::notifyInternal (this=0x7ffe683472b0, receiver=0x399d990, event=event@entry=0x2e19eb0) at kernel/qcoreapplication.cpp:965
#27 0x00007f19560ad9a6 in QCoreApplication::sendEvent (event=0x2e19eb0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#28 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1143600) at kernel/qcoreapplication.cpp:1593
#29 0x00007f19560ade88 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#30 0x00007f1956101633 in postEventSourceDispatch (s=0x1180660) at kernel/qeventdispatcher_glib.cpp:271
#31 0x00007f1952592137 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f1952592390 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f195259243c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f1956101a3f in QEventDispatcherGlib::processEvents (this=0x118a380, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#35 0x00007f19560a8d6a in QEventLoop::exec (this=this@entry=0x7ffe68347130, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#36 0x00007f19560b0e0c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#37 0x00007f19563e484c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1527
#38 0x00007f1956baa435 in QApplication::exec () at kernel/qapplication.cpp:2976
#39 0x0000000000431b03 in main (argc=4, argv=<optimized out>) at /build/plasma-workspace-KFkJSD/plasma-workspace-5.4.3/shell/main.cpp:176

Reported using DrKonqi