Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-34-generic x86_64
Distribution: Ubuntu 16.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Plasma crashed just after booting, when I was launching Spotify from a taskbar launcher.

-- 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 0x7fe6d90978c0 (LWP 3891))]

Thread 7 (Thread 0x7fe622f4d700 (LWP 4125)):
#0  0x00007fe6d053fae0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe6d05402cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6d05404ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6d40d7a9b in QEventDispatcherGlib::processEvents (this=0x7fe61c003cf0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fe6d407edea in QEventLoop::exec (this=this@entry=0x7fe622f4ccc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fe6d3e9b8a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fe61a7847d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007fe6d3ea084e in QThreadPrivate::start (arg=0x2127240) at thread/qthread_unix.cpp:331
#8  0x00007fe6d2f8d6fa in start_thread (arg=0x7fe622f4d700) at pthread_create.c:333
#9  0x00007fe6d37b6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fe62274c700 (LWP 4026)):
#0  0x00007fe6d053ff52 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe6d0540400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6d05404ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6d40d7a9b in QEventDispatcherGlib::processEvents (this=0x7fe6140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fe6d407edea in QEventLoop::exec (this=this@entry=0x7fe62274bc90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fe6d3e9b8a4 in QThread::exec (this=this@entry=0x13fb710) at thread/qthread.cpp:503
#6  0x00007fe6d70c9ed6 in QQuickPixmapReader::run (this=0x13fb710) at util/qquickpixmapcache.cpp:817
#7  0x00007fe6d3ea084e in QThreadPrivate::start (arg=0x13fb710) at thread/qthread_unix.cpp:331
#8  0x00007fe6d2f8d6fa in start_thread (arg=0x7fe62274c700) at pthread_create.c:333
#9  0x00007fe6d37b6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fe6aaddf700 (LWP 3952)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe6d8ae8bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fe6d8ae8c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fe6d2f8d6fa in start_thread (arg=0x7fe6aaddf700) at pthread_create.c:333
#4  0x00007fe6d37b6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fe6abfff700 (LWP 3934)):
#0  0x00007fe6d0584ac9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe6d053f939 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6d05402cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6d05404ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe6d40d7a9b in QEventDispatcherGlib::processEvents (this=0x7fe6a40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fe6d407edea in QEventLoop::exec (this=this@entry=0x7fe6abffece0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fe6d3e9b8a4 in QThread::exec (this=this@entry=0x11e6850) at thread/qthread.cpp:503
#7  0x00007fe6d67433c5 in QQmlThreadPrivate::run (this=0x11e6850) at qml/ftw/qqmlthread.cpp:141
#8  0x00007fe6d3ea084e in QThreadPrivate::start (arg=0x11e6850) at thread/qthread_unix.cpp:331
#9  0x00007fe6d2f8d6fa in start_thread (arg=0x7fe6abfff700) at pthread_create.c:333
#10 0x00007fe6d37b6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fe6b2436700 (LWP 3931)):
#0  0x00007fe6d0584ae4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe6d053f920 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6d05402cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6d05404ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe6d40d7a9b in QEventDispatcherGlib::processEvents (this=0x7fe6ac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fe6d407edea in QEventLoop::exec (this=this@entry=0x7fe6b2435ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fe6d3e9b8a4 in QThread::exec (this=this@entry=0x1108630) at thread/qthread.cpp:503
#7  0x00007fe6d67433c5 in QQmlThreadPrivate::run (this=0x1108630) at qml/ftw/qqmlthread.cpp:141
#8  0x00007fe6d3ea084e in QThreadPrivate::start (arg=0x1108630) at thread/qthread_unix.cpp:331
#9  0x00007fe6d2f8d6fa in start_thread (arg=0x7fe6b2436700) at pthread_create.c:333
#10 0x00007fe6d37b6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fe6c1b50700 (LWP 3929)):
#0  0x00007fe6d37a69cd in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe6d0583740 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6d053fe84 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6d0540340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe6d05404ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe6d40d7a9b in QEventDispatcherGlib::processEvents (this=0x7fe6b40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fe6d407edea in QEventLoop::exec (this=this@entry=0x7fe6c1b4fce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fe6d3e9b8a4 in QThread::exec (this=this@entry=0xdbed10) at thread/qthread.cpp:503
#8  0x00007fe6d67433c5 in QQmlThreadPrivate::run (this=0xdbed10) at qml/ftw/qqmlthread.cpp:141
#9  0x00007fe6d3ea084e in QThreadPrivate::start (arg=0xdbed10) at thread/qthread_unix.cpp:331
#10 0x00007fe6d2f8d6fa in start_thread (arg=0x7fe6c1b50700) at pthread_create.c:333
#11 0x00007fe6d37b6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fe6d90978c0 (LWP 3891)):
[KCrash Handler]
#6  0x00007fe6d6779612 in QAbstractAnimationJob::setState (this=0x464e3f0, newState=newState@entry=QAbstractAnimationJob::Stopped) at animations/qabstractanimationjob.cpp:360
#7  0x00007fe6d6779877 in QAbstractAnimationJob::stop (this=<optimized out>) at animations/qabstractanimationjob.cpp:530
#8  0x00007fe6d70ec291 in QQuickAnimatorController::stopProxyJobs (this=0x14a5b20) at util/qquickanimatorcontroller.cpp:243
#9  0x00007fe6d40affca in QMetaObject::activate (sender=0x17f7760, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3713
#10 0x00007fe6d40b07d7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fe6d7385260 <QQuickWindow::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3578
#11 0x00007fe6d7163e20 in QQuickWindow::frameSwapped (this=<optimized out>) at .moc/moc_qquickwindow.cpp:429
#12 0x00007fe6d7137517 in QQuickWindowPrivate::fireFrameSwapped (this=0x160ef10) at ../../include/QtQuick/5.5.1/QtQuick/private/../../../../../src/quick/items/qquickwindow_p.h:212
#13 QSGGuiThreadRenderLoop::renderWindow (this=this@entry=0xee2180, window=0x17f7760) at scenegraph/qsgrenderloop.cpp:392
#14 0x00007fe6d71382a1 in QSGGuiThreadRenderLoop::event (this=0xee2180, e=<optimized out>) at scenegraph/qsgrenderloop.cpp:474
#15 0x00007fe6d4b8405c in QApplicationPrivate::notify_helper (this=this@entry=0xc836a0, receiver=receiver@entry=0xee2180, e=e@entry=0x7ffcbf37dfb0) at kernel/qapplication.cpp:3716
#16 0x00007fe6d4b89516 in QApplication::notify (this=0x7ffcbf37e350, receiver=0xee2180, e=0x7ffcbf37dfb0) at kernel/qapplication.cpp:3499
#17 0x00007fe6d408162b in QCoreApplication::notifyInternal (this=0x7ffcbf37e350, receiver=0xee2180, event=event@entry=0x7ffcbf37dfb0) at kernel/qcoreapplication.cpp:965
#18 0x00007fe6d40d689d in QCoreApplication::sendEvent (event=0x7ffcbf37dfb0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#19 QTimerInfoList::activateTimers (this=0xcbf410) at kernel/qtimerinfo_unix.cpp:637
#20 0x00007fe6d40d6da1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#21 0x00007fe6d05401a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fe6d0540400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fe6d05404ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fe6d40d7a7f in QEventDispatcherGlib::processEvents (this=0xcb86a0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#25 0x00007fe6d407edea in QEventLoop::exec (this=this@entry=0x7ffcbf37e1f0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#26 0x00007fe6d4086e8c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#27 0x00007fe6d43bac3c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1542
#28 0x00007fe6d4b80495 in QApplication::exec () at kernel/qapplication.cpp:2976
#29 0x0000000000432d4a in main (argc=2, argv=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/main.cpp:181

Possible duplicates by query: bug 366846, bug 357101, bug 356049, bug 354942.

Reported using DrKonqi