https://bugs.kde.org/show_bug.cgi?id=396069

            Bug ID: 396069
           Summary: plasma-discover Crash on Startup
           Product: Discover
           Version: 5.13.2
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: discover
          Assignee: aleix...@kde.org
          Reporter: tste...@protonmail.com
  Target Milestone: ---

Application: plasma-discover (5.13.2)

Qt Version: 5.11.1
Frameworks Version: 5.47.0
Operating System: Linux 4.17.3-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I just installed packagekit-qt5 and flatpak, and now whenever I start discover
it crashes. Discover launches fine without either package (but is obviously
useless since no packages are found), and works fine with just flatpak. If just
package-qt5 is installed it crashes (though there is already a bug report filed
for this). As a side note, I am running Obarun which is based on Arch, and
build flatpak from source.

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6dbd421780 (LWP 5835))]

Thread 23 (Thread 0x7f6d3b56b700 (LWP 9225)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6d89e22d7f in  () at /usr/lib/libostree-1.so.1
#4  0x00007f6db30eea2a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f6d5effd700 (LWP 9222)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6d89e22d7f in  () at /usr/lib/libostree-1.so.1
#4  0x00007f6db30eea2a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f6d70d40700 (LWP 9221)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6d89e22d7f in  () at /usr/lib/libostree-1.so.1
#4  0x00007f6db30eea2a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f6d5d7fa700 (LWP 9166)):
#0  0x00007f6db89910f9 in syscall () at /usr/lib/libc.so.6
#1  0x00007f6db310d52d in g_cond_wait_until () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db3098903 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6db30ef436 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f6db30eea2a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f6d3bd6c700 (LWP 9164)):
#0  0x00007f6db89910f9 in syscall () at /usr/lib/libc.so.6
#1  0x00007f6db310d52d in g_cond_wait_until () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db3098903 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6db30ef436 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f6db30eea2a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f6d733d3700 (LWP 9163)):
#0  0x00007f6db89910f9 in syscall () at /usr/lib/libc.so.6
#1  0x00007f6db310d52d in g_cond_wait_until () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db3098903 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6db30ef436 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f6db30eea2a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f6d3a569700 (LWP 9162)):
#0  0x00007f6db89910f9 in syscall () at /usr/lib/libc.so.6
#1  0x00007f6db310d52d in g_cond_wait_until () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db3098903 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6db30ef436 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f6db30eea2a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f6d5dffb700 (LWP 9160)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6d89e22d7f in  () at /usr/lib/libostree-1.so.1
#4  0x00007f6db30eea2a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f6d5f7fe700 (LWP 5868)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6d89e21506 in  () at /usr/lib/libostree-1.so.1
#4  0x00007f6d89de7fdf in  () at /usr/lib/libostree-1.so.1
#5  0x00007f6d89df174e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007f6d89dd2807 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007f6d8b36005d in  () at /usr/lib/libflatpak.so.0
#8  0x00007f6d8b360728 in  () at /usr/lib/libflatpak.so.0
#9  0x00007f6d8b394e8a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007f6d90035102 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007f6d90031933 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007f6db909e921 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f6db90a6a75 in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f6d5ffff700 (LWP 5867)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6d89e21506 in  () at /usr/lib/libostree-1.so.1
#4  0x00007f6d89de7fdf in  () at /usr/lib/libostree-1.so.1
#5  0x00007f6d89df174e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007f6d89dd2807 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007f6d8b36005d in  () at /usr/lib/libflatpak.so.0
#8  0x00007f6d8b360728 in  () at /usr/lib/libflatpak.so.0
#9  0x00007f6d8b394e8a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007f6d90035102 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007f6d90031933 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007f6db909e921 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f6db90a6a75 in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f6d71541700 (LWP 5865)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6d89e21506 in  () at /usr/lib/libostree-1.so.1
#4  0x00007f6d89de7fdf in  () at /usr/lib/libostree-1.so.1
#5  0x00007f6d89df174e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007f6d89dd2807 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007f6d8b36005d in  () at /usr/lib/libflatpak.so.0
#8  0x00007f6d8b360728 in  () at /usr/lib/libflatpak.so.0
#9  0x00007f6d8b394e8a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007f6d90035102 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007f6d90031933 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007f6db909e921 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f6db90a6a75 in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f6d72542700 (LWP 5862)):
#0  0x00007f6db30c5a2c in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#1  0x00007f6db30c644e in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6db92a7f84 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f6db925387c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f6db909c9c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6db90a6a75 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f6d73bd4700 (LWP 5848)):
#0  0x00007f6db89910f9 in syscall () at /usr/lib/libc.so.6
#1  0x00007f6db909b5a5 in QSemaphore::acquire(int) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f6db927ecca in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#3  0x00007f6db685041f in  () at /usr/lib/libQt5Network.so.5
#4  0x00007f6db68f2366 in  () at /usr/lib/libQt5Network.so.5
#5  0x00007f6db927ea2c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007f6db6845e15 in  () at /usr/lib/libQt5Network.so.5
#7  0x00007f6db68467ed in  () at /usr/lib/libQt5Network.so.5
#8  0x00007f6db927ea2c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#9  0x00007f6db68ebd06 in  () at /usr/lib/libQt5Network.so.5
#10 0x00007f6db68e6b56 in  () at /usr/lib/libQt5Network.so.5
#11 0x00007f6db68e7008 in  () at /usr/lib/libQt5Network.so.5
#12 0x00007f6db68d1131 in  () at /usr/lib/libQt5Network.so.5
#13 0x00007f6db927ea2c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#14 0x00007f6db6891514 in  () at /usr/lib/libQt5Network.so.5
#15 0x00007f6db68915a0 in  () at /usr/lib/libQt5Network.so.5
#16 0x00007f6db68a4202 in  () at /usr/lib/libQt5Network.so.5
#17 0x00007f6dba860a74 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#18 0x00007f6dba868341 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#19 0x00007f6db9254be9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#20 0x00007f6db92a8bdb in  () at /usr/lib/libQt5Core.so.5
#21 0x00007f6db30c6368 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#22 0x00007f6db30c65b1 in  () at /usr/lib/libglib-2.0.so.0
#23 0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#24 0x00007f6db92a7f84 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#25 0x00007f6db925387c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#26 0x00007f6db909c9c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#27 0x00007f6db90a6a75 in  () at /usr/lib/libQt5Core.so.5
#28 0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#29 0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f6d80d36700 (LWP 5847)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6d89e21506 in  () at /usr/lib/libostree-1.so.1
#4  0x00007f6d89de7fdf in  () at /usr/lib/libostree-1.so.1
#5  0x00007f6d89df174e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007f6d89dd2807 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007f6d8b36005d in  () at /usr/lib/libflatpak.so.0
#8  0x00007f6d8b360728 in  () at /usr/lib/libflatpak.so.0
#9  0x00007f6d8b394e8a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007f6d90035102 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007f6d90031933 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007f6db909e921 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f6db90a6a75 in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f6d81537700 (LWP 5846)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c68e2 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6d8b063348 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007f6db30eea2a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f6d81d38700 (LWP 5845)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6db30c6692 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f6db30eea2a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f6d83030700 (LWP 5844)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6db92a7f84 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f6db925387c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f6db909c9c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6db90a6a75 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f6d8bfff700 (LWP 5842)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6db92a7f84 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f6db925387c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f6db909c9c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dbc49f23b in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f6db90a6a75 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f6d922a8700 (LWP 5839)):
#0  0x00007f6db507affc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f6d93084124 in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f6d93083e18 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f6da10ce700 (LWP 5838)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6db92a7f84 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f6db925387c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f6db909c9c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6db9c2c9c9 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f6db90a6a75 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f6da22df700 (LWP 5837)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db30c6523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f6db92a7f84 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f6db925387c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f6db909c9c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dbaf7f976 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f6db90a6a75 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f6dab541700 (LWP 5836)):
#0  0x00007f6db898bea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f6db2e5d180 in  () at /usr/lib/libxcb.so.1
#2  0x00007f6db2e5ee4b in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f6dae2f022a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f6db90a6a75 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6db5075075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6db899653f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f6dbd421780 (LWP 5835)):
[KCrash Handler]
#6  0x00007f6db9a9a645 in QV4::QObjectWrapper::wrap(QV4::ExecutionEngine*,
QObject*) () at /usr/lib/libQt5Qml.so.5
#7  0x00007f6db9a92c85 in QV4::ExecutionEngine::fromVariant(QVariant const&) ()
at /usr/lib/libQt5Qml.so.5
#8  0x00007f6db9b3f26d in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f6db9b40a0b in
QV4::QObjectWrapper::getQmlProperty(QV4::ExecutionEngine*, QQmlContextData*,
QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*) () at
/usr/lib/libQt5Qml.so.5
#10 0x00007f6db9ae06f5 in QV4::QQmlContextWrapper::get(QV4::Managed const*,
QV4::String*, bool*) () at /usr/lib/libQt5Qml.so.5
#11 0x00007f6db9a9d7da in QV4::ExecutionContext::getProperty(QV4::String*) ()
at /usr/lib/libQt5Qml.so.5
#12 0x00007f6db9b57f9e in
QV4::Runtime::method_typeofName(QV4::ExecutionEngine*, int) () at
/usr/lib/libQt5Qml.so.5
#13 0x00007f6db9b51885 in  () at /usr/lib/libQt5Qml.so.5
#14 0x00007f6db9c0c810 in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*) () at /usr/lib/libQt5Qml.so.5
#15 0x00007f6db9c1156a in QQmlBinding::evaluate(bool*) () at
/usr/lib/libQt5Qml.so.5
#16 0x00007f6db9c161c3 in  () at /usr/lib/libQt5Qml.so.5
#17 0x00007f6db9c1288b in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/libQt5Qml.so.5
#18 0x00007f6db9c1f9e4 in
QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at
/usr/lib/libQt5Qml.so.5
#19 0x00007f6db9b93272 in QQmlComponentPrivate::complete(QQmlEnginePrivate*,
QQmlComponentPrivate::ConstructionState*) () at /usr/lib/libQt5Qml.so.5
#20 0x00007f6db9b933b0 in QQmlComponentPrivate::completeCreate() () at
/usr/lib/libQt5Qml.so.5
#21 0x00007f6db9b93172 in QQmlComponent::create(QQmlContext*) () at
/usr/lib/libQt5Qml.so.5
#22 0x00007f6d9b5a33dd in  () at
/usr/lib/qt/qml/org/kde/kirigami.2/libkirigamiplugin.so
#23 0x00007f6d9b5a377b in  () at
/usr/lib/qt/qml/org/kde/kirigami.2/libkirigamiplugin.so
#24 0x00007f6db9c14c44 in  () at /usr/lib/libQt5Qml.so.5
#25 0x00007f6db9c16384 in  () at /usr/lib/libQt5Qml.so.5
#26 0x00007f6db9c1288b in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/libQt5Qml.so.5
#27 0x00007f6db9c1f9e4 in
QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at
/usr/lib/libQt5Qml.so.5
#28 0x00007f6db9b9808b in  () at /usr/lib/libQt5Qml.so.5
#29 0x00007f6db9b988e2 in QQmlIncubationController::incubateFor(int) () at
/usr/lib/libQt5Qml.so.5
#30 0x00007f6dbc584283 in  () at /usr/lib/libQt5Quick.so.5
#31 0x00007f6db927f2bb in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#32 0x00007f6dba860a74 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#33 0x00007f6dba868341 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#34 0x00007f6db9254be9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#35 0x00007f6db92a733a in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#36 0x00007f6db92a7bc2 in  () at /usr/lib/libQt5Core.so.5
#37 0x00007f6db30c6368 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#38 0x00007f6db30c65b1 in  () at /usr/lib/libglib-2.0.so.0
#39 0x00007f6db30c663e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#40 0x00007f6db92a7f69 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#41 0x00007f6dae385722 in  () at /usr/lib/libQt5XcbQpa.so.5
#42 0x00007f6db925387c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#43 0x00007f6db925bb76 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#44 0x00005642855f0d46 in  ()
#45 0x00007f6db88c106b in __libc_start_main () at /usr/lib/libc.so.6
#46 0x00005642855f130a in _start ()

Reported using DrKonqi

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