Application: plasmashell (5.12.9)
 (Compiled from sources)
Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 5.4.0-60-generic x86_64
Distribution: Ubuntu 18.04.5 LTS

-- Information about the crash:
I have installed SysTray-X addon for Thunderbird, launched Thunderbird once then closed it. These actions caused the fall of Plasma.

-- 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 0x7fd455076d80 (LWP 8238))]

Thread 17 (Thread 0x7fd3471f7700 (LWP 8934)):
#0  0x00007fd44ded954b in __pthread_mutex_unlock_full (mutex=0x55cba307af80, decr=<optimized out>) at pthread_mutex_unlock.c:285
#1  0x00007fd44358c74e in pa_mutex_unlock () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007fd444131473 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fd444122e40 in pa_mainloop_poll () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fd4441234d0 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fd444123560 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fd4441313c9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007fd44358d468 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#8  0x00007fd44ded56db in start_thread (arg=0x7fd3471f7700) at pthread_create.c:463
#9  0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fd36b5f0700 (LWP 8933)):
#0  0x00007ffdbc3ed99a in clock_gettime ()
#1  0x00007fd44e65ed36 in __GI___clock_gettime (clock_id=1, tp=0x7fd36b5efaf0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fd44ef8b1c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fd44ef899f9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd44ef89fd5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd44ef8b61e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd4491a9b28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fd4491aa4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fd4491aa6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fd44ef8b8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fd44ef3090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fd44ed4f23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fd451ec16f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fd44ed5417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fd44ded56db in start_thread (arg=0x7fd36b5f0700) at pthread_create.c:463
#15 0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fd35af28700 (LWP 8260)):
#0  0x00007ffdbc3ed99c in clock_gettime ()
#1  0x00007fd44e65ed36 in __GI___clock_gettime (clock_id=1, tp=0x7fd35af27b40) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fd44ef8b1c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fd44ef899f9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd44ef8b57d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd4491a9fe1 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fd4491aa570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fd4491aa6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fd44ef8b8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fd44ef3090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fd44ed4f23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fd35d885747 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#12 0x00007fd44ed5417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fd44ded56db in start_thread (arg=0x7fd35af28700) at pthread_create.c:463
#14 0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fd3957fa700 (LWP 8259)):
#0  0x00007ffdbc3ed99a in clock_gettime ()
#1  0x00007fd44e65ed36 in __GI___clock_gettime (clock_id=1, tp=0x7fd3957f9aa0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fd44ef8b1c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fd44ef899f9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd44ef89fd5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd44ef8b61e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd4491a9b28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fd4491aa4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fd4491aa6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fd44ef8b8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fd44ef3090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fd44ed4f23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fd452a5b2a6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007fd44ed5417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fd44ded56db in start_thread (arg=0x7fd3957fa700) at pthread_create.c:463
#15 0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fd370cc9700 (LWP 8258)):
#0  0x00007fd44dedbad3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cba177f0d8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fd44dedbad3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55cba177f088, cond=0x55cba177f0b0) at pthread_cond_wait.c:502
#2  0x00007fd44dedbad3 in __pthread_cond_wait (cond=0x55cba177f0b0, mutex=0x55cba177f088) at pthread_cond_wait.c:655
#3  0x00007fd3a3296fab in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fd3a3296b97 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fd44ded56db in start_thread (arg=0x7fd370cc9700) at pthread_create.c:463
#6  0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fd395ffb700 (LWP 8254)):
#0  0x00007fd44dedbad3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cba13e7248) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fd44dedbad3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55cba13e71f8, cond=0x55cba13e7220) at pthread_cond_wait.c:502
#2  0x00007fd44dedbad3 in __pthread_cond_wait (cond=0x55cba13e7220, mutex=0x55cba13e71f8) at pthread_cond_wait.c:655
#3  0x00007fd3a3296fab in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fd3a3296b97 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fd44ded56db in start_thread (arg=0x7fd395ffb700) at pthread_create.c:463
#6  0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fd3967fc700 (LWP 8253)):
#0  0x00007fd44dedbad3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cba13e6b40) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fd44dedbad3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55cba13e6af0, cond=0x55cba13e6b18) at pthread_cond_wait.c:502
#2  0x00007fd44dedbad3 in __pthread_cond_wait (cond=0x55cba13e6b18, mutex=0x55cba13e6af0) at pthread_cond_wait.c:655
#3  0x00007fd3a3296fab in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fd3a3296b97 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fd44ded56db in start_thread (arg=0x7fd3967fc700) at pthread_create.c:463
#6  0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fd396ffd700 (LWP 8252)):
#0  0x00007fd44dedbad3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cba13504e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fd44dedbad3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55cba1350498, cond=0x55cba13504c0) at pthread_cond_wait.c:502
#2  0x00007fd44dedbad3 in __pthread_cond_wait (cond=0x55cba13504c0, mutex=0x55cba1350498) at pthread_cond_wait.c:655
#3  0x00007fd3a3296fab in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fd3a3296b97 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fd44ded56db in start_thread (arg=0x7fd396ffd700) at pthread_create.c:463
#6  0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fd3977fe700 (LWP 8251)):
#0  0x00007fd44dedbad3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cba13504e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fd44dedbad3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55cba1350498, cond=0x55cba13504c0) at pthread_cond_wait.c:502
#2  0x00007fd44dedbad3 in __pthread_cond_wait (cond=0x55cba13504c0, mutex=0x55cba1350498) at pthread_cond_wait.c:655
#3  0x00007fd3a3296fab in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fd3a3296b97 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fd44ded56db in start_thread (arg=0x7fd3977fe700) at pthread_create.c:463
#6  0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fd397fff700 (LWP 8250)):
#0  0x00007fd44dedbad3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cba13504e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fd44dedbad3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55cba1350498, cond=0x55cba13504c0) at pthread_cond_wait.c:502
#2  0x00007fd44dedbad3 in __pthread_cond_wait (cond=0x55cba13504c0, mutex=0x55cba1350498) at pthread_cond_wait.c:655
#3  0x00007fd3a3296fab in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fd3a3296b97 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fd44ded56db in start_thread (arg=0x7fd397fff700) at pthread_create.c:463
#6  0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fd39ce13700 (LWP 8249)):
#0  0x00007fd44dedbad3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cba13504e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fd44dedbad3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55cba1350498, cond=0x55cba13504c0) at pthread_cond_wait.c:502
#2  0x00007fd44dedbad3 in __pthread_cond_wait (cond=0x55cba13504c0, mutex=0x55cba1350498) at pthread_cond_wait.c:655
#3  0x00007fd3a3296fab in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fd3a3296b97 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fd44ded56db in start_thread (arg=0x7fd39ce13700) at pthread_create.c:463
#6  0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fd39d614700 (LWP 8248)):
#0  0x00007fd44dedbad3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cba1303548) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fd44dedbad3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55cba13034f8, cond=0x55cba1303520) at pthread_cond_wait.c:502
#2  0x00007fd44dedbad3 in __pthread_cond_wait (cond=0x55cba1303520, mutex=0x55cba13034f8) at pthread_cond_wait.c:655
#3  0x00007fd3a3296fab in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fd3a3296b97 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fd44ded56db in start_thread (arg=0x7fd39d614700) at pthread_create.c:463
#6  0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fd426389700 (LWP 8247)):
#0  0x00007fd44dedbad3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fd454a30fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fd44dedbad3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fd454a30f68, cond=0x7fd454a30f90) at pthread_cond_wait.c:502
#2  0x00007fd44dedbad3 in __pthread_cond_wait (cond=0x7fd454a30f90, mutex=0x7fd454a30f68) at pthread_cond_wait.c:655
#3  0x00007fd45473a5f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fd45473a639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fd44ded56db in start_thread (arg=0x7fd426389700) at pthread_create.c:463
#6  0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fd434976700 (LWP 8246)):
#0  0x00007ffdbc3ed99a in clock_gettime ()
#1  0x00007fd44e65ed36 in __GI___clock_gettime (clock_id=1, tp=0x7fd434975af0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fd44ef8b1c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fd44ef899f9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd44ef89fd5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd44ef8b61e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd4491a9b28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fd4491aa4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fd4491aa6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fd44ef8b8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fd44ef3090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fd44ed4f23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fd451ec16f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fd44ed5417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fd44ded56db in start_thread (arg=0x7fd434976700) at pthread_create.c:463
#15 0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fd4369e1700 (LWP 8245)):
#0  0x00007ffdbc3ed99a in clock_gettime ()
#1  0x00007fd44e65ed36 in __GI___clock_gettime (clock_id=1, tp=0x7fd4369e0af0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fd44ef8b1c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fd44ef899f9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd44ef89fd5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd44ef8b61e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd4491a9b28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fd4491aa4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fd4491aa6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fd44ef8b8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fd44ef3090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fd44ed4f23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fd451ec16f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fd44ed5417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fd44ded56db in start_thread (arg=0x7fd4369e1700) at pthread_create.c:463
#15 0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fd437fff700 (LWP 8244)):
#0  0x00007ffdbc3ed99a in clock_gettime ()
#1  0x00007fd44e65ed36 in __GI___clock_gettime (clock_id=1, tp=0x7fd437ffeae0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fd44ef8b1c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fd44ef899f9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd44ef89fd5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd44ef8b61e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd4491a9b28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fd4491aa4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fd4491aa6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fd44ef8b8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fd44ef3090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fd44ed4f23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fd44f408d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#13 0x00007fd44ed5417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fd44ded56db in start_thread (arg=0x7fd437fff700) at pthread_create.c:463
#15 0x00007fd44e64f71f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fd455076d80 (LWP 8238)):
[KCrash Handler]
#6  0x00007fd451df0a65 in QV4::QObjectWrapper::getProperty(QV4::ExecutionEngine*, QObject*, int, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd451e07e53 in QV4::Runtime::method_getQmlQObjectProperty(QV4::ExecutionEngine*, QV4::Value const&, int, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd36023b21b in  ()
#9  0x00007ffdbc391760 in  ()
#10 0x0000000000000001 in  ()
#11 0x000055cba2f253f0 in  ()
#12 0x00007fd4274013c0 in  ()
#13 0x00007ffdbc391880 in  ()
#14 0x000055cba1138ab0 in  ()
#15 0x000055cba31607a0 in  ()
#16 0x00007fd4274013c0 in  ()
#17 0x00007ffdbc3918a0 in  ()
#18 0x000055cba1138ab0 in  ()
#19 0x000055cba1f924d0 in  ()
#20 0x00007fd451d788cc in QV4::ExecutionContext::simpleCall(QV4::Scope&, QV4::CallData*, QV4::Function*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007fd451ea1a29 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*, QV4::Scope&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007fd451eabce6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007fd451ea8b23 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007fd451e7e573 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007fd451e1bf99 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007fd44ef60d8f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fd452b169b8 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#28 0x00007fd452b1095b in QQuickItem::setX(double) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#29 0x00007fd452b20304 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#30 0x00007fd451eab76e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007fd451eabd7e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007fd451ea8b23 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007fd451e7e573 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#34 0x00007fd451e1bf99 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#35 0x00007fd44ef60d8f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fd452b09752 in QQuickItem::childrenRectChanged(QRectF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#37 0x00007fd452b0d4b3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#38 0x00007fd452b16c3e in QQuickItemPrivate::itemChange(QQuickItem::ItemChange, QQuickItem::ItemChangeData const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#39 0x00007fd452b1c17f in QQuickItemPrivate::removeChild(QQuickItem*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#40 0x00007fd452b1c899 in QQuickItem::setParentItem(QQuickItem*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#41 0x00007fd452bb6542 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#42 0x00007fd452bb6b28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#43 0x00007fd452bb70e5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#44 0x00007fd44ef61619 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007fd451f02356 in QQmlInstanceModel::modelUpdated(QQmlChangeSet const&, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#46 0x00007fd451edfd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#47 0x00007fd451ee592f in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#48 0x00007fd451ee5ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#49 0x00007fd451eeb1e2 in QQmlDelegateModel::_q_itemsRemoved(int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#50 0x00007fd451eec685 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#51 0x00007fd451eecac5 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#52 0x00007fd44ef61619 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#53 0x00007fd44eecdb9e in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007fd44eed519b in QAbstractItemModel::endRemoveRows() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x00007fd44eef93e5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x00007fd44eef9573 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007fd44eefbbc8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#58 0x00007fd44ef61555 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#59 0x00007fd44eecdb1e in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#60 0x00007fd44eed4a7b in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#61 0x00007fd378b1001e in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#62 0x00007fd44ef6166f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#63 0x00007fd378b31155 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#64 0x00007fd378b19e7e in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#65 0x00007fd378b33529 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#66 0x00007fd44ef61555 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#67 0x00007fd4531de245 in Plasma::DataEngine::sourceRemoved(QString const&) () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#68 0x00007fd44ef6166f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#69 0x00007fd35fffefe0 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/dataengine/plasma_engine_statusnotifieritem.so
#70 0x00007fd35ffff215 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/dataengine/plasma_engine_statusnotifieritem.so
#71 0x00007fd44f4140f8 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#72 0x00007fd44ef620c2 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#73 0x00007fd44ff3a83c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#74 0x00007fd44ff42104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#75 0x00007fd44ef328d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#76 0x00007fd44ef3504d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#77 0x00007fd44ef8c263 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#78 0x00007fd4491aa417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#79 0x00007fd4491aa650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#80 0x00007fd4491aa6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#81 0x00007fd44ef8b88f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#82 0x00007fd44ef3090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#83 0x00007fd44ef399b4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#84 0x000055cba00a5d6a in  ()
#85 0x00007fd44e54fbf7 in __libc_start_main (main=0x55cba00a5390, argc=1, argv=0x7ffdbc396c78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdbc396c68) at ../csu/libc-start.c:310
#86 0x000055cba00a610a in _start ()

Reported using DrKonqi