Application: plasmashell (5.5.3)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-0-generic x86_64
Distribution: Ubuntu Xenial Xerus (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
Some features in notification area of KDE panel may crash plasmashell
- Unusual behavior I noticed:
plasmashell crashed and then panel reloaded
- Custom settings of the application:
none

The crash can be reproduced sometimes.

-- 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 0x7f4cc89168c0 (LWP 12352))]

Thread 17 (Thread 0x7f4cb393f700 (LWP 12355)):
#0  0x00007f4cc2fb383d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4cc70c1c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f4cc70c38d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f4cb5ab14a9 in QXcbEventReader::run (this=0x1850ec0) at qxcbconnection.cpp:1229
#4  0x00007f4cc36b587e in QThreadPrivate::start (arg=0x1850ec0) at thread/qthread_unix.cpp:331
#5  0x00007f4cc278f66a in start_thread (arg=0x7f4cb393f700) at pthread_create.c:333
#6  0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f4cb102f700 (LWP 12375)):
#0  0x00007f4cc2fb383d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4cbfcea30c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cbfcea41c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4cc38ed2eb in QEventDispatcherGlib::processEvents (this=0x7f4ca40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f4cc38942fa in QEventLoop::exec (this=this@entry=0x7f4cb102ece0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f4cc36b08d4 in QThread::exec (this=this@entry=0x1936f80) at thread/qthread.cpp:503
#6  0x00007f4cc5f7ac85 in QQmlThreadPrivate::run (this=0x1936f80) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f4cc36b587e in QThreadPrivate::start (arg=0x1936f80) at thread/qthread_unix.cpp:331
#8  0x00007f4cc278f66a in start_thread (arg=0x7f4cb102f700) at pthread_create.c:333
#9  0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f4ca8907700 (LWP 12381)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4caa593863 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f4caa592f58 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f4cc278f66a in start_thread (arg=0x7f4ca8907700) at pthread_create.c:333
#4  0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f4c9d76f700 (LWP 12382)):
#0  0x00007f4cc2fb383d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4cbfcea30c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cbfcea41c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4cc38ed2eb in QEventDispatcherGlib::processEvents (this=0x7f4c980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f4cc38942fa in QEventLoop::exec (this=this@entry=0x7f4c9d76ece0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f4cc36b08d4 in QThread::exec (this=this@entry=0x1bc6370) at thread/qthread.cpp:503
#6  0x00007f4cc5f7ac85 in QQmlThreadPrivate::run (this=0x1bc6370) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f4cc36b587e in QThreadPrivate::start (arg=0x1bc6370) at thread/qthread_unix.cpp:331
#8  0x00007f4cc278f66a in start_thread (arg=0x7f4c9d76f700) at pthread_create.c:333
#9  0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f4c97887700 (LWP 12390)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc8354bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f4cc8354c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f4cc278f66a in start_thread (arg=0x7f4c97887700) at pthread_create.c:333
#4  0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f4c168c7700 (LWP 12391)):
#0  0x00007ffcd31d2caf in clock_gettime ()
#1  0x00007f4cc2fcd2ed in __GI___clock_gettime (clock_id=<optimized out>, tp=tp@entry=0x7f4c168c6a50) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f4cc3765e06 in qt_clock_gettime (ts=0x7f4c168c6a50, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:156
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:165
#5  0x00007f4cc38ead69 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f4c10002ed0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f4cc38eb2d5 in QTimerInfoList::timerWait (this=0x7f4c10002ed0, tm=...) at kernel/qtimerinfo_unix.cpp:381
#7  0x00007f4cc38ec6ce in timerSourcePrepareHelper (timeout=0x7f4c168c6b24, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f4c168c6b24) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f4cbfce989d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f4cbfcea23b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f4cbfcea41c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f4cc38ed2eb in QEventDispatcherGlib::processEvents (this=0x7f4c100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007f4cc38942fa in QEventLoop::exec (this=this@entry=0x7f4c168c6ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f4cc36b08d4 in QThread::exec (this=this@entry=0x1c83ed0) at thread/qthread.cpp:503
#15 0x00007f4cc5f7ac85 in QQmlThreadPrivate::run (this=0x1c83ed0) at qml/ftw/qqmlthread.cpp:141
#16 0x00007f4cc36b587e in QThreadPrivate::start (arg=0x1c83ed0) at thread/qthread_unix.cpp:331
#17 0x00007f4cc278f66a in start_thread (arg=0x7f4c168c7700) at pthread_create.c:333
#18 0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f4c0edc7700 (LWP 12404)):
#0  0x00007f4cc2fb383d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4cbfcea30c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cbfcea41c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4cc38ed2eb in QEventDispatcherGlib::processEvents (this=0x7f4c080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f4cc38942fa in QEventLoop::exec (this=this@entry=0x7f4c0edc6c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f4cc36b08d4 in QThread::exec (this=this@entry=0x1e4d0b0) at thread/qthread.cpp:503
#6  0x00007f4cc6910e46 in QQuickPixmapReader::run (this=0x1e4d0b0) at util/qquickpixmapcache.cpp:817
#7  0x00007f4cc36b587e in QThreadPrivate::start (arg=0x1e4d0b0) at thread/qthread_unix.cpp:331
#8  0x00007f4cc278f66a in start_thread (arg=0x7f4c0edc7700) at pthread_create.c:333
#9  0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f4c020c7700 (LWP 12430)):
#0  0x00007f4cc2faf3fd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4cbfd2d680 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cbfce9df4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4cbfcea2b0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4cbfcea41c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4cc38ed2eb in QEventDispatcherGlib::processEvents (this=0x7f4bfc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f4cc38942fa in QEventLoop::exec (this=this@entry=0x7f4c020c6cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f4cc36b08d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f4c0415f817 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007f4cc36b587e in QThreadPrivate::start (arg=0x2ea1540) at thread/qthread_unix.cpp:331
#10 0x00007f4cc278f66a in start_thread (arg=0x7f4c020c7700) at pthread_create.c:333
#11 0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f4bf09ff700 (LWP 15034)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc36b6b1b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x390c850) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x38fd710, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4c0c15b2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f4c0c15f518 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f4c0c15d383 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f4cc36b587e in QThreadPrivate::start (arg=0x38fd090) at thread/qthread_unix.cpp:331
#10 0x00007f4cc278f66a in start_thread (arg=0x7f4bf09ff700) at pthread_create.c:333
#11 0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f4be976f700 (LWP 15035)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc36b6b1b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x390c850) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x38fd710, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4c0c15b2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f4c0c15f518 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f4c0c15d383 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f4cc36b587e in QThreadPrivate::start (arg=0x39a7430) at thread/qthread_unix.cpp:331
#10 0x00007f4cc278f66a in start_thread (arg=0x7f4be976f700) at pthread_create.c:333
#11 0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f4be8f6e700 (LWP 15036)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc36b6b1b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x390c850) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x38fd710, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4c0c15b2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f4c0c15f518 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f4c0c15d383 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007f4cc36b587e in QThreadPrivate::start (arg=0x7f4bec0012f0) at thread/qthread_unix.cpp:331
#20 0x00007f4cc278f66a in start_thread (arg=0x7f4be8f6e700) at pthread_create.c:333
#21 0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f4be3fff700 (LWP 15037)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc36b6b1b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x390c850) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x38fd710, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4c0c15b2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f4c0c15f518 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f4c0c15d383 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f4cc36b587e in QThreadPrivate::start (arg=0x7f4be4002d90) at thread/qthread_unix.cpp:331
#12 0x00007f4cc278f66a in start_thread (arg=0x7f4be3fff700) at pthread_create.c:333
#13 0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f4be37fe700 (LWP 15038)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc36b6b1b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x390c850) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x38fd710, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4c0c15b2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f4c0c15f518 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f4c0c15d383 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f4cc36b587e in QThreadPrivate::start (arg=0x7f4bdc002d90) at thread/qthread_unix.cpp:331
#8  0x00007f4cc278f66a in start_thread (arg=0x7f4be37fe700) at pthread_create.c:333
#9  0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f4be2ffd700 (LWP 15039)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc36b6b1b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x390c850) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x38fd710, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4c0c15b2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f4c0c15f518 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f4c0c15d383 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f4cc36b587e in QThreadPrivate::start (arg=0x3914570) at thread/qthread_unix.cpp:331
#10 0x00007f4cc278f66a in start_thread (arg=0x7f4be2ffd700) at pthread_create.c:333
#11 0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f4be27fc700 (LWP 15040)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc36b6b1b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x390c850) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x38fd710, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4c0c15b2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f4c0c15f518 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f4c0c15d383 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f4cc36b587e in QThreadPrivate::start (arg=0x7f4be4003450) at thread/qthread_unix.cpp:331
#8  0x00007f4cc278f66a in start_thread (arg=0x7f4be27fc700) at pthread_create.c:333
#9  0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f4be1ffb700 (LWP 15041)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc36b6b1b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x390c850) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x38fd710, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4c0c15b2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f4c0c15f518 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f4c0c15f572 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f4c0c15a46d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f4c0c15d383 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007f4cc36b587e in QThreadPrivate::start (arg=0x7f4bd40025d0) at thread/qthread_unix.cpp:331
#16 0x00007f4cc278f66a in start_thread (arg=0x7f4be1ffb700) at pthread_create.c:333
#17 0x00007f4cc2fbee4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f4cc89168c0 (LWP 12352)):
[KCrash Handler]
#6  QV4::MemoryManager::engine (this=this@entry=0x0) at jsruntime/qv4mm.cpp:604
#7  0x00007f4cc5f69ea9 in QV4::MemoryManager::alloc<QV4::QmlContextWrapper, QV4::ExecutionEngine*, QQmlContextData*, QObject*> (arg3=<optimized out>, arg2=0x395f020, arg1=0x1e9ff10, this=0x0) at ../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/jsruntime/qv4mm_p.h:133
#8  QV4::QmlContextWrapper::qmlScope (v4=v4@entry=0x1e9ff10, ctxt=ctxt@entry=0x395f020, scope=scope@entry=0x3d3b640) at qml/qqmlcontextwrapper.cpp:77
#9  0x00007f4cc5e99e58 in QV4::QmlBindingWrapper::createQmlCallableForFunction (qmlContext=qmlContext@entry=0x395f020, scopeObject=scopeObject@entry=0x3d3b640, runtimeFunction=runtimeFunction@entry=0x39e1560, signalParameters=..., error=error@entry=0x0) at jsruntime/qv4script.cpp:166
#10 0x00007f4cc5ef0f1e in QQmlExpressionPrivate::init (this=this@entry=0x30fe810, ctxt=ctxt@entry=0x395f020, runtimeFunction=runtimeFunction@entry=0x39e1560, me=me@entry=0x3d3b640) at qml/qqmlexpression.cpp:77
#11 0x00007f4cc5ef123f in QQmlExpression::QQmlExpression (this=<optimized out>, script=..., ctxt=<optimized out>, scope=<optimized out>, parent=<optimized out>) at qml/qqmlexpression.cpp:164
#12 0x00007f4cc68ed86c in QQuickScriptActionPrivate::execute (this=<optimized out>) at util/qquickanimation.cpp:990
#13 0x00007f4cc5fb111d in QAbstractAnimationJob::setState (this=0x38c7620, newState=QAbstractAnimationJob::Running) at animations/qabstractanimationjob.cpp:360
#14 0x00007f4cc5fb29bc in QSequentialAnimationGroupJob::activateCurrentAnimation (this=0x37bb9e0, intermediate=<optimized out>) at animations/qsequentialanimationgroupjob.cpp:310
#15 0x00007f4cc5fb2aac in QSequentialAnimationGroupJob::uncontrolledAnimationFinished (this=0x37bb9e0, animation=0x370f190) at animations/qsequentialanimationgroupjob.cpp:326
#16 0x00007f4cc5fb06af in QAbstractAnimationJob::finished (this=this@entry=0x370f190) at animations/qabstractanimationjob.cpp:594
#17 0x00007f4cc5fb1218 in QAbstractAnimationJob::setState (this=0x370f190, newState=newState@entry=QAbstractAnimationJob::Stopped) at animations/qabstractanimationjob.cpp:393
#18 0x00007f4cc5fb1267 in QAbstractAnimationJob::stop (this=this@entry=0x370f190) at animations/qabstractanimationjob.cpp:530
#19 0x00007f4cc6931139 in QQuickAnimatorProxyJob::setWindow (this=0x370f180, window=<optimized out>) at util/qquickanimatorjob.cpp:157
#20 0x00007f4cc38c56ba in QMetaObject::activate (sender=0x3ea8aa0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7ffcd30be600) at kernel/qobject.cpp:3713
#21 0x00007f4cc38c5eb7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f4cc6bcbe60 <QQuickItem::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7ffcd30be600) at kernel/qobject.cpp:3578
#22 0x00007f4cc6995702 in QQuickItem::windowChanged (this=<optimized out>, _t1=0x0) at .moc/moc_qquickitem.cpp:1044
#23 0x00007f4cc69a185b in QQuickItemPrivate::derefWindow (this=this@entry=0x2da2e30) at items/qquickitem.cpp:2852
#24 0x00007f4cc69a392c in QQuickItem::setParentItem (this=this@entry=0x3ea8aa0, parentItem=parentItem@entry=0x0) at items/qquickitem.cpp:2527
#25 0x00007f4cc69a3de6 in QQuickItem::~QQuickItem (this=0x3ea8aa0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2239
#26 0x00007f4cc69be8a6 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x3ea8aa0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#27 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x3ea8aa0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#28 0x00007f4cc38c65a0 in QObject::event (this=this@entry=0x3ea8aa0, e=e@entry=0x1c4e1a0) at kernel/qobject.cpp:1230
#29 0x00007f4cc69a289b in QQuickItem::event (this=0x3ea8aa0, ev=0x1c4e1a0) at items/qquickitem.cpp:7317
#30 0x00007f4cc439affc in QApplicationPrivate::notify_helper (this=this@entry=0x1831760, receiver=receiver@entry=0x3ea8aa0, e=e@entry=0x1c4e1a0) at kernel/qapplication.cpp:3716
#31 0x00007f4cc43a04c6 in QApplication::notify (this=0x7ffcd30bee60, receiver=0x3ea8aa0, e=0x1c4e1a0) at kernel/qapplication.cpp:3499
#32 0x00007f4cc3896b6b in QCoreApplication::notifyInternal (this=0x7ffcd30bee60, receiver=0x3ea8aa0, event=event@entry=0x1c4e1a0) at kernel/qcoreapplication.cpp:965
#33 0x00007f4cc3898f66 in QCoreApplication::sendEvent (event=0x1c4e1a0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#34 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1827600) at kernel/qcoreapplication.cpp:1593
#35 0x00007f4cc3899448 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#36 0x00007f4cc38ecec3 in postEventSourceDispatch (s=0x187c350) at kernel/qeventdispatcher_glib.cpp:271
#37 0x00007f4cbfcea117 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f4cbfcea370 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f4cbfcea41c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f4cc38ed2cf in QEventDispatcherGlib::processEvents (this=0x188dbb0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#41 0x00007f4cc38942fa in QEventLoop::exec (this=this@entry=0x7ffcd30bed00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#42 0x00007f4cc389c3cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#43 0x00007f4cc3bd18ec in QGuiApplication::exec () at kernel/qguiapplication.cpp:1530
#44 0x00007f4cc4397435 in QApplication::exec () at kernel/qapplication.cpp:2976
#45 0x0000000000432d4a in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:179

Reported using DrKonqi