Application: plasmashell (5.12.4)

Qt Version: 5.10.1
Frameworks Version: 5.45.0
Operating System: Linux 4.16.5-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
I changed the visibility of the seafile entry to "shown" instead of "auto"

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4c671de800 (LWP 1032))]

Thread 25 (Thread 0x7f4b3e7fc700 (LWP 17887)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4b91c7552f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4b91c79719 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4b91c79772 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4b91c77583 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7f4b3effd700 (LWP 17886)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4b91c7552f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4b91c79719 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4b91c79772 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4b91c77583 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7f4b3f7fe700 (LWP 17885)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4b91c7552f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4b91c79719 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4b91c79772 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4b91c77583 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f4b3ffff700 (LWP 17884)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4b91c7552f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4b91c79719 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4b91c79772 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4b91c77583 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f4b4cac3700 (LWP 17883)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4b91c7552f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4b91c79719 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4b91c79772 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4b91c77583 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f4b4d2c4700 (LWP 17882)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4b91c7552f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4b91c79719 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4b91c79772 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4b91c77583 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f4b4dac5700 (LWP 17881)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4b91c7552f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4b91c79719 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4b91c79772 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4b91c77583 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f4b4e2c6700 (LWP 17880)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4b91c7552f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4b91c79719 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4b91c79772 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4b91c746fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4b91c77583 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f4b64f4f700 (LWP 17876)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c64c6a5fa in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4c64c6aa84 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f4b65b6d700 (LWP 11905)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c64c6a5fa in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4c64c6aa84 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f4ba5d39700 (LWP 9285)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c64c6a5fa in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4c64c6aa84 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f4b67fff700 (LWP 7108)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c64c6a5fa in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4c64c6aa84 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f4b677fe700 (LWP 2163)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c64c6a5fa in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4c64c6aa84 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f4b7f3fe700 (LWP 1836)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c64c6a5fa in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4c64c6aa84 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f4b7ffff700 (LWP 1822)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c64c6a5fa in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4c64c6aa84 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f4b8beca700 (LWP 1770)):
#0  0x00007f4c5afedf11 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#1  0x00007f4c5afee4c6 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4c5afee63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4c610be254 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4c6106031b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c60e6f71e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f4b8e87a41a in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f4b9ffff700 (LWP 1468)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c64c6a5fa in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4c64c6aa84 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f4babff1700 (LWP 1439)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c60e75f9c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c64c6a5fa in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4c64c6aa84 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f4bb088b700 (LWP 1437)):
#0  0x00007f4c5afed999 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#1  0x00007f4c5afee44e in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4c5afee63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4c610be254 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4c6106031b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c60e6f71e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f4c64be850b in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f4c3cac5700 (LWP 1417)):
#0  0x00007f4c6003007c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c6690bf77 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f4c6690bfb9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f4c3ef75700 (LWP 1253)):
#0  0x00007f4c6076fcd9 in poll () at /usr/lib/libc.so.6
#1  0x00007f4c5afee523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4c5afee63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4c610be254 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4c6106031b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c60e6f71e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f4c64042319 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f4c4cb8e700 (LWP 1183)):
#0  0x00007f4c6076b734 in read () at /usr/lib/libc.so.6
#1  0x00007f4c5b033ed1 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4c5afedff8 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4c5afee4c6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f4c5afee63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f4c610be254 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f4c6106031b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f4c60e6f71e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f4c64042319 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f4c4e5d2700 (LWP 1069)):
#0  0x00007f4c5b0352f4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f4c5afee0bb in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4c5afee5b1 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4c5afee63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f4c610be254 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c6106031b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f4c60e6f71e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f4c614e1416 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f4c50995700 (LWP 1051)):
#0  0x00007f4c6076fcd9 in poll () at /usr/lib/libc.so.6
#1  0x00007f4c65824180 in  () at /usr/lib/libxcb.so.1
#2  0x00007f4c65825e4b in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f4c5311b82a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f4c60e74abd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4c6002a0bc in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4c6077a2ff in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f4c671de800 (LWP 1032)):
[KCrash Handler]
#6  0x00007f4c63f69cd5 in QV4::QObjectWrapper::getProperty(QV4::ExecutionEngine*, QObject*, int, bool) () at /usr/lib/libQt5Qml.so.5
#7  0x00007f4c63f81ebc in QV4::Runtime::method_getQmlQObjectProperty(QV4::ExecutionEngine*, QV4::Value const&, int, bool) () at /usr/lib/libQt5Qml.so.5
#8  0x00007f4b90de82a8 in  ()
#9  0x00007f4c3df36678 in  ()
#10 0x000055b2bd4c2348 in  ()
#11 0x0000000000000050 in  ()
#12 0x000055b2bcd22d30 in  ()
#13 0x00007ffd2cbca800 in  ()
#14 0x0000000b638e4200 in  ()
#15 0x00007ffd2cbca4f0 in  ()
#16 0x00007ffd2cbca690 in  ()
#17 0x000055b2bcd23250 in  ()
#18 0x000055b2bcd23250 in  ()
#19 0x000055b2beab8000 in  ()
#20 0x00007f4c63ecfb9e in QV4::ExecutionContext::simpleCall(QV4::Scope&, QV4::CallData*, QV4::Function*) () at /usr/lib/libQt5Qml.so.5
#21 0x00007f4c64020a7a in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*, QV4::Scope&) () at /usr/lib/libQt5Qml.so.5
#22 0x00007f4c6402b4f7 in  () at /usr/lib/libQt5Qml.so.5
#23 0x00007f4c64027fb3 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#24 0x00007f4c63ffcaa3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5
#25 0x00007f4c63f9618a in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5
#26 0x00007f4c61091e1f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#27 0x00007f4c64cabf29 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib/libQt5Quick.so.5
#28 0x00007f4c64ca5e1c in QQuickItem::setX(double) () at /usr/lib/libQt5Quick.so.5
#29 0x00007f4c64cb65c8 in  () at /usr/lib/libQt5Quick.so.5
#30 0x00007f4c6402ad8e in  () at /usr/lib/libQt5Qml.so.5
#31 0x00007f4c6402b58e in  () at /usr/lib/libQt5Qml.so.5
#32 0x00007f4c64027fb3 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#33 0x00007f4c63ffcaa3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5
#34 0x00007f4c63f9618a in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5
#35 0x00007f4c61091e1f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#36 0x00007f4c64c9eae3 in QQuickItem::childrenRectChanged(QRectF const&) () at /usr/lib/libQt5Quick.so.5
#37 0x00007f4c64ca29ac in  () at /usr/lib/libQt5Quick.so.5
#38 0x00007f4c64cabecd in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib/libQt5Quick.so.5
#39 0x00007f4c64ca6039 in QQuickItem::setPosition(QPointF const&) () at /usr/lib/libQt5Quick.so.5
#40 0x00007f4c64dbd8ca in QQuickBasePositioner::positionItem(double, double, QQuickBasePositioner::PositionedItem*) () at /usr/lib/libQt5Quick.so.5
#41 0x00007f4c64dc1b77 in  () at /usr/lib/libQt5Quick.so.5
#42 0x00007f4c64dbfbca in QQuickBasePositioner::prePositioning() () at /usr/lib/libQt5Quick.so.5
#43 0x00007f4c64cc24b3 in QQuickWindowPrivate::polishItems() () at /usr/lib/libQt5Quick.so.5
#44 0x00007f4c64c66aa0 in  () at /usr/lib/libQt5Quick.so.5
#45 0x00007f4c64c67a62 in  () at /usr/lib/libQt5Quick.so.5
#46 0x00007f4c64ccc0e6 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#47 0x000055b2bc26c9fc in  ()
#48 0x00007f4c62069fec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#49 0x00007f4c620719c6 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#50 0x00007f4c61061ce0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#51 0x00007f4c6186b623 in QWindowPrivate::deliverUpdateRequest() () at /usr/lib/libQt5Gui.so.5
#52 0x00007f4c6186bb5b in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#53 0x00007f4c64ccc086 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#54 0x000055b2bc26c9fc in  ()
#55 0x00007f4c62069fec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#56 0x00007f4c620719c6 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#57 0x00007f4c61061ce0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#58 0x00007f4c610bd678 in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#59 0x00007f4c610bde72 in  () at /usr/lib/libQt5Core.so.5
#60 0x00007f4c5afee368 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#61 0x00007f4c5afee5b1 in  () at /usr/lib/libglib-2.0.so.0
#62 0x00007f4c5afee63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#63 0x00007f4c610be231 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#64 0x00007f4c531a3482 in  () at /usr/lib/libQt5XcbQpa.so.5
#65 0x00007f4c6106031b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#66 0x00007f4c61069718 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#67 0x000055b2bc25d863 in  ()
#68 0x00007f4c606a49a7 in __libc_start_main () at /usr/lib/libc.so.6
#69 0x000055b2bc25dc1a in _start ()

Reported using DrKonqi