Application: plasma-discover (5.11.95)

Qt Version: 5.9.1
Frameworks Version: 5.42.0
Operating System: Linux 4.13.0-30-generic x86_64
Distribution: Ubuntu 17.10

-- Information about the crash:
- What I was doing when the application crashed:
1) Install plasma-discover-flatpak-backend
2) Open discover
3) Add flathub as a source
4) Install plasma-discover-snap-backend
5) Restart discover
6) Search libreoffice

-- Backtrace:
Application: Центр приложений Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f382cadc5c0 (LWP 31964))]

Thread 21 (Thread 0x7f3785161700 (LWP 32058)):
#0  0x00007f3828213951 in poll () at /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f3822bc3169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3822bc327c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3828b5349b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3828af8e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f38289183ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f382891d29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 20 (Thread 0x7f37a5686700 (LWP 32057)):
#0  0x00007f3822c085b0 in g_mutex_lock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3822bc314f in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3822bc327c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3828b5349b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3828af8e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f38289183ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f382891d29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 19 (Thread 0x7f3787374700 (LWP 32002)):
#0  0x00007f3824a88072 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f3806f834cb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f3806f833e8 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 18 (Thread 0x7f37a768a700 (LWP 31990)):
#0  0x00007f3822c085d4 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3822bc2b69 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3822bc3110 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3822bc327c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3828b5349b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3828af8e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f38289183ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f382891d29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 17 (Thread 0x7f37c4a5a700 (LWP 31986)):
#0  0x00007f3822c085b9 in g_mutex_lock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3822bc2cf6 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3822bc31f0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3822bc3502 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f37c68beb26 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f3822bea645 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 16 (Thread 0x7f37c525b700 (LWP 31985)):
#0  0x00007f382820f06d in read () at /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f3822c07280 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3822bc2c4b in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3822bc3110 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3822bc327c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3822bc32c1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f3822bea645 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 15 (Thread 0x7f37cd0a2700 (LWP 31982)):
#0  0x00007f3824a8864b in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f382891e588 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f38289197cc in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f382891d29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 14 (Thread 0x7f37cd8a3700 (LWP 31981)):
#0  0x00007f3828213951 in poll () at /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f3822bc3169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3822bc327c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3828b5349b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3828af8e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f38289183ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f382891d29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 13 (Thread 0x7f37dbfff700 (LWP 31980)):
#0  0x00007f382820f06d in read () at /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f3822c07280 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3822bc2c4b in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3822bc3110 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3822bc327c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3828b5349b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3828af8e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f38289183ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f382891d29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 12 (Thread 0x7f37f5ffb700 (LWP 31978)):
#0  0x00007f3822bc25f9 in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3822bc309b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3822bc327c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3828b5349b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3828af8e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f38289183ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f382bce0846 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f382891d29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 11 (Thread 0x7f37f67fc700 (LWP 31976)):
#0  0x00007f3824a88072 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f3806f834cb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f3806f833e8 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 10 (Thread 0x7f37f6ffd700 (LWP 31975)):
#0  0x00007f3824a88072 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f3806f834cb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f3806f833e8 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 9 (Thread 0x7f37f77fe700 (LWP 31974)):
#0  0x00007f3824a88072 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f3806f834cb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f3806f833e8 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 8 (Thread 0x7f37f7fff700 (LWP 31973)):
#0  0x00007f3824a88072 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f3806f834cb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f3806f833e8 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7f37fc9f7700 (LWP 31972)):
#0  0x00007f3824a88072 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f3806f834cb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f3806f833e8 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7f3804f67700 (LWP 31971)):
#0  0x00007f3824a88072 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f3806f834cb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f3806f833e8 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7f3805d8f700 (LWP 31970)):
#0  0x00007f3824a88072 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f3806f834cb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f3806f833e8 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7f380f16e700 (LWP 31969)):
#0  0x00007f382820f06d in read () at /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f3822c07280 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3822bc2c4b in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3822bc3110 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3822bc327c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3828b5349b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3828af8e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f38289183ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f3829525f45 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f382891d29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7f381037f700 (LWP 31968)):
#0  0x00007f3828213951 in poll () at /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f3822bc3169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3822bc327c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3828b5349b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3828af8e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f38289183ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f382a800e45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f382891d29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7f38192fe700 (LWP 31966)):
#0  0x00007f3828213951 in poll () at /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f382295c747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f382295e53a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f381b858f09 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f382891d29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3824a817fc in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f382821fb5f in clone () at /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f382cadc5c0 (LWP 31964)):
[KCrash Handler]
#6  0x00007f382bd94134 in QQuickItem::isVisible() const () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f382bd97eb5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f382bd98aec in QQuickItem::inputMethodQuery(Qt::InputMethodQuery) const () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f382bda03ae in QQuickItem::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f382a0fb46c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f382a102d34 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f3828afade8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f38299414bd in QGuiApplicationPrivate::_q_updateFocusObject(QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#14 0x00007f3829941d70 in  () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007f3828b298e5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f3829944122 in QWindow::focusObjectChanged(QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007f382bdb2dbb in QQuickWindowPrivate::setFocusInScope(QQuickItem*, QQuickItem*, Qt::FocusReason, QFlags<QQuickWindowPrivate::FocusOption>) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f382bd9fb31 in QQuickItem::setFocus(bool, Qt::FocusReason) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f382bd9fe9b in QQuickItem::forceActiveFocus(Qt::FocusReason) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f382bda44e5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f382bda52c5 in QQuickItem::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f38135bf9c5 in QQuickControl::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#23 0x00007f38135c3a65 in QQuickPage::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#24 0x00007f382947e56e in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007f382947e5c9 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007f382947e5c9 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007f382947e5c9 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f38294da119 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007f38294582cb in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007f38294597d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007f382945a881 in QV4::QObjectMethod::callInternal(QV4::CallData*, QV4::Scope&) const () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007f382947356d in QV4::Runtime::method_callProperty(QV4::ExecutionEngine*, int, QV4::CallData*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007f382c989676 in  ()
#34 0x000055e7100d8fc0 in  ()
#35 0x00007ffc60b2d6e0 in  ()
#36 0x00007ffc60b2bcc0 in  ()
#37 0x0000000000000000 in  ()

Reported using DrKonqi