Application: plasma-discover (5.12.0)

Qt Version: 5.9.3
Frameworks Version: 5.42.0
Operating System: Linux 4.13.0-32-generic x86_64
Distribution: Ubuntu Bionic Beaver (development branch)

-- Information about the crash:
- What I was doing when the application crashed: After installing some packages I searched for "podcast" and it crashed suddenly.

-- Backtrace:
Application: 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 0x7f4690545d80 (LWP 7992))]

Thread 19 (Thread 0x7f4613fff700 (LWP 10378)):
#0  0x00007f468bc55901 in __GI___poll (fds=0x7f46080029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f46865b8169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f46865b827c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f468c59637b in QEventDispatcherGlib::processEvents (this=0x7f4608000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f468c53b51a in QEventLoop::exec (this=this@entry=0x7f4613ffecb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f468c35a26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f468c35f1ad in QThreadPrivate::start (arg=0x5580b5f43440) at thread/qthread_unix.cpp:368
#7  0x00007f46884c27fc in start_thread (arg=0x7f4613fff700) at pthread_create.c:465
#8  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f4640b6a700 (LWP 10376)):
#0  0x00007f468bc55901 in __GI___poll (fds=0x7f461c02d500, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f46865b8169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f46865b827c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f468c59637b in QEventDispatcherGlib::processEvents (this=0x7f461c004c80, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f468c53b51a in QEventLoop::exec (this=this@entry=0x7f4640b69cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f468c35a26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f468c35f1ad in QThreadPrivate::start (arg=0x7f4630018620) at thread/qthread_unix.cpp:368
#7  0x00007f46884c27fc in start_thread (arg=0x7f4640b6a700) at pthread_create.c:465
#8  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f463a3e6700 (LWP 8034)):
#0  0x00007f468bc55901 in __GI___poll (fds=0x7f4618011680, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f46865b8169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f46865b827c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f468c59637b in QEventDispatcherGlib::processEvents (this=0x7f4618000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f468c53b51a in QEventLoop::exec (this=this@entry=0x7f463a3e5cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f468c35a26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f468c35f1ad in QThreadPrivate::start (arg=0x5580b517bdf0) at thread/qthread_unix.cpp:368
#7  0x00007f46884c27fc in start_thread (arg=0x7f463a3e6700) at pthread_create.c:465
#8  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f463b5f7700 (LWP 8012)):
#0  0x00007f46884c9072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5580b521a0d4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5580b521a080, cond=0x5580b521a0a8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5580b521a0a8, mutex=0x5580b521a080) at pthread_cond_wait.c:655
#3  0x00007f466a91ea2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f466a91e947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f46884c27fc in start_thread (arg=0x7f463b5f7700) at pthread_create.c:465
#6  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f463bdf8700 (LWP 8011)):
#0  0x00007f468bc55901 in __GI___poll (fds=0x7f4620002de0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f46865b8169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f46865b827c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f468c59637b in QEventDispatcherGlib::processEvents (this=0x7f4620000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f468c53b51a in QEventLoop::exec (this=this@entry=0x7f463bdf7cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f468c35a26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f468c35f1ad in QThreadPrivate::start (arg=0x5580b51cd280) at thread/qthread_unix.cpp:368
#7  0x00007f46884c27fc in start_thread (arg=0x7f463bdf8700) at pthread_create.c:465
#8  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f464136b700 (LWP 8009)):
#0  0x00007f468bc50ffd in __GI___libc_read (fd=21, buf=0x7f464136aa90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007f46865fc280 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f46865b7c4b in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f46865b8110 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f46865b827c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f468c59637b in QEventDispatcherGlib::processEvents (this=0x7f4628000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f468c53b51a in QEventLoop::exec (this=this@entry=0x7f464136acb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007f468c35a26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#8  0x00007f468c35f1ad in QThreadPrivate::start (arg=0x5580b5055740) at thread/qthread_unix.cpp:368
#9  0x00007f46884c27fc in start_thread (arg=0x7f464136b700) at pthread_create.c:465
#10 0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f465278d700 (LWP 8007)):
#0  0x00007f468bc55901 in __GI___poll (fds=0x7f46240029e0, nfds=1, timeout=10275) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f46865b8169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f46865b827c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f468c59637b in QEventDispatcherGlib::processEvents (this=0x7f4624000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f468c53b51a in QEventLoop::exec (this=this@entry=0x7f465278ccb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f468c35a26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f468c35f1ad in QThreadPrivate::start (arg=0x5580b2a84680) at thread/qthread_unix.cpp:368
#7  0x00007f46884c27fc in start_thread (arg=0x7f465278d700) at pthread_create.c:465
#8  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4659ffb700 (LWP 8005)):
#0  0x00007f468bc55901 in __GI___poll (fds=0x7f4630004f00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f46865b8169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f46865b827c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f468c59637b in QEventDispatcherGlib::processEvents (this=0x7f4630000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f468c53b51a in QEventLoop::exec (this=this@entry=0x7f4659ffac40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f468c35a26a in QThread::exec (this=this@entry=0x5580b288ece0) at thread/qthread.cpp:515
#6  0x00007f468f728b46 in QQuickPixmapReader::run (this=0x5580b288ece0) at util/qquickpixmapcache.cpp:868
#7  0x00007f468c35f1ad in QThreadPrivate::start (arg=0x5580b288ece0) at thread/qthread_unix.cpp:368
#8  0x00007f46884c27fc in start_thread (arg=0x7f4659ffb700) at pthread_create.c:465
#9  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f465a7fc700 (LWP 8003)):
#0  0x00007f46884c9072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5580b25c1148) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5580b25c10f8, cond=0x5580b25c1120) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5580b25c1120, mutex=0x5580b25c10f8) at pthread_cond_wait.c:655
#3  0x00007f466a91ea2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f466a91e947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f46884c27fc in start_thread (arg=0x7f465a7fc700) at pthread_create.c:465
#6  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f465affd700 (LWP 8002)):
#0  0x00007f46884c9072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5580b25c1148) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5580b25c10f8, cond=0x5580b25c1120) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5580b25c1120, mutex=0x5580b25c10f8) at pthread_cond_wait.c:655
#3  0x00007f466a91ea2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f466a91e947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f46884c27fc in start_thread (arg=0x7f465affd700) at pthread_create.c:465
#6  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f465b7fe700 (LWP 8001)):
#0  0x00007f46884c9072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5580b25c1060) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5580b25c1010, cond=0x5580b25c1038) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5580b25c1038, mutex=0x5580b25c1010) at pthread_cond_wait.c:655
#3  0x00007f466a91ea2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f466a91e947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f46884c27fc in start_thread (arg=0x7f465b7fe700) at pthread_create.c:465
#6  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f465bfff700 (LWP 8000)):
#0  0x00007f46884c9072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5580b25c1064) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5580b25c1010, cond=0x5580b25c1038) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5580b25c1038, mutex=0x5580b25c1010) at pthread_cond_wait.c:655
#3  0x00007f466a91ea2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f466a91e947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f46884c27fc in start_thread (arg=0x7f465bfff700) at pthread_create.c:465
#6  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f46609f3700 (LWP 7999)):
#0  0x00007f46884c9072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5580b25c1064) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5580b25c1010, cond=0x5580b25c1038) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5580b25c1038, mutex=0x5580b25c1010) at pthread_cond_wait.c:655
#3  0x00007f466a91ea2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f466a91e947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f46884c27fc in start_thread (arg=0x7f46609f3700) at pthread_create.c:465
#6  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4668911700 (LWP 7998)):
#0  0x00007f46884c9072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5580b25c5374) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5580b25c5320, cond=0x5580b25c5348) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5580b25c5348, mutex=0x5580b25c5320) at pthread_cond_wait.c:655
#3  0x00007f466a91ea2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f466a91e947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f46884c27fc in start_thread (arg=0x7f4668911700) at pthread_create.c:465
#6  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4669739700 (LWP 7997)):
#0  0x00007f46884c9072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5580b25c0154) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5580b25c0100, cond=0x5580b25c0128) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5580b25c0128, mutex=0x5580b25c0100) at pthread_cond_wait.c:655
#3  0x00007f466a91ea2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f466a91e947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f46884c27fc in start_thread (arg=0x7f4669739700) at pthread_create.c:465
#6  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4672ad7700 (LWP 7996)):
#0  0x00007f468bc55901 in __GI___poll (fds=0x7f46640029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f46865b8169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f46865b827c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f468c59637b in QEventDispatcherGlib::processEvents (this=0x7f4664000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f468c53b51a in QEventLoop::exec (this=this@entry=0x7f4672ad6c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f468c35a26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f468cf6a065 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f468c35f1ad in QThreadPrivate::start (arg=0x5580b24ea1c0) at thread/qthread_unix.cpp:368
#8  0x00007f46884c27fc in start_thread (arg=0x7f4672ad7700) at pthread_create.c:465
#9  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4673ce8700 (LWP 7995)):
#0  0x00007f468bc55901 in __GI___poll (fds=0x7f466c018f30, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f46865b8169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f46865b827c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f468c59637b in QEventDispatcherGlib::processEvents (this=0x7f466c000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f468c53b51a in QEventLoop::exec (this=this@entry=0x7f4673ce7c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f468c35a26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f468e247d45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f468c35f1ad in QThreadPrivate::start (arg=0x7f468e4bad60) at thread/qthread_unix.cpp:368
#8  0x00007f46884c27fc in start_thread (arg=0x7f4673ce8700) at pthread_create.c:465
#9  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f467cce6700 (LWP 7994)):
#0  0x00007f468bc55901 in __GI___poll (fds=0x7f467cce5bb8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4686351747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f468635353a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f467f2430e9 in QXcbEventReader::run (this=0x5580b242d4a0) at qxcbconnection.cpp:1330
#4  0x00007f468c35f1ad in QThreadPrivate::start (arg=0x5580b242d4a0) at thread/qthread_unix.cpp:368
#5  0x00007f46884c27fc in start_thread (arg=0x7f467cce6700) at pthread_create.c:465
#6  0x00007f468bc61b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4690545d80 (LWP 7992)):
[KCrash Handler]
#6  0x00007f468f7dc614 in QQuickItem::isVisible (this=this@entry=0x5580c0611d50) at items/qquickitem.cpp:5768
#7  0x00007f468f7dc729 in QQuickKeysAttached::keyReleased (this=0x5580bd38a380, event=0x7ffe2842eb10, post=<optimized out>) at items/qquickitem.cpp:1426
#8  0x00007f468f7e841a in QQuickItemPrivate::deliverKeyEvent (this=0x5580b27ce780, e=0x7ffe2842eb10) at items/qquickitem.cpp:5026
#9  0x00007f468f7e87a5 in QQuickItem::event (this=0x5580b5e248f0, ev=0x7ffe2842eb10) at items/qquickitem.cpp:7738
#10 0x00007f468db415bc in QApplicationPrivate::notify_helper (this=this@entry=0x5580b2403290, receiver=receiver@entry=0x5580b5e248f0, e=e@entry=0x7ffe2842eb10) at kernel/qapplication.cpp:3722
#11 0x00007f468db48e84 in QApplication::notify (this=0x7ffe2842eee0, receiver=0x5580b5e248f0, e=0x7ffe2842eb10) at kernel/qapplication.cpp:3481
#12 0x00007f468c53d4c8 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x5580b5e248f0, event=event@entry=0x7ffe2842eb10) at kernel/qcoreapplication.cpp:1018
#13 0x00007f468f7f9b68 in QCoreApplication::sendEvent (event=0x7ffe2842eb10, receiver=0x5580b5e248f0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qcoreapplication.h:233
#14 QQuickWindow::sendEvent (this=<optimized out>, item=0x5580b5e248f0, e=e@entry=0x7ffe2842eb10) at items/qquickwindow.cpp:2835
#15 0x00007f468f7f9c9b in QQuickWindowPrivate::deliverKeyEvent (this=this@entry=0x5580b24ea430, e=e@entry=0x7ffe2842eb10) at items/qquickwindow.cpp:1636
#16 0x00007f468f7f9e7f in QQuickWindow::keyReleaseEvent (this=<optimized out>, e=0x7ffe2842eb10) at items/qquickwindow.cpp:1628
#17 0x00007f468d391fb5 in QWindow::event (this=this@entry=0x5580b2557400, ev=ev@entry=0x7ffe2842eb10) at kernel/qwindow.cpp:2267
#18 0x00007f468f8011b5 in QQuickWindow::event (this=0x5580b2557400, e=0x7ffe2842eb10) at items/qquickwindow.cpp:1610
#19 0x00007f468db415bc in QApplicationPrivate::notify_helper (this=this@entry=0x5580b2403290, receiver=receiver@entry=0x5580b2557400, e=e@entry=0x7ffe2842eb10) at kernel/qapplication.cpp:3722
#20 0x00007f468db48e84 in QApplication::notify (this=0x7ffe2842eee0, receiver=0x5580b2557400, e=0x7ffe2842eb10) at kernel/qapplication.cpp:3481
#21 0x00007f468c53d4c8 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x5580b2557400, event=event@entry=0x7ffe2842eb10) at kernel/qcoreapplication.cpp:1018
#22 0x00007f468d382cf0 in QCoreApplication::sendSpontaneousEvent (event=0x7ffe2842eb10, receiver=0x5580b2557400) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#23 QGuiApplicationPrivate::processKeyEvent (e=0x7f466c1e1200) at kernel/qguiapplication.cpp:2075
#24 0x00007f468d387c45 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x7f466c1e1200) at kernel/qguiapplication.cpp:1739
#25 0x00007f468d35fcab in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:939
#26 0x00007f467f2a5f50 in userEventSourceDispatch (source=<optimized out>) at qeventdispatcher_glib.cpp:77
#27 0x00007f46865b7fb7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f46865b81f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f46865b827c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f468c59635f in QEventDispatcherGlib::processEvents (this=0x5580b2462f50, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#31 0x00007f468c53b51a in QEventLoop::exec (this=this@entry=0x7ffe2842ee20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#32 0x00007f468c544484 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1291
#33 0x00005580b1171008 in main (argc=<optimized out>, argv=<optimized out>) at ./discover/main.cpp:156

Reported using DrKonqi