Bug 390291

Summary: plasma-discover crashed on clicking install
Product: [Applications] Discover Reporter: Peridot <420ever>
Component: discoverAssignee: Aleix Pol <aleixpol>
Status: RESOLVED UPSTREAM    
Severity: crash CC: kostal.david8, nate
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.12.0   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Peridot 2018-02-11 21:06:04 UTC 
Application: plasma-discover (5.12.0)

Qt Version: 5.9.3
Frameworks Version: 5.42.0
Operating System: Linux 4.15.0-041500-generic x86_64
Distribution: Ubuntu Bionic Beaver (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
I clicked install after (trying to) search and then it crashed.

-- 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 0x7f0466029340 (LWP 20083))]

Thread 19 (Thread 0x7f03f2ffd700 (LWP 20125)):
#0  0x00007f046173a901 in __GI___poll (fds=0x7f03e40028f0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f045c09c169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f045c09c27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f046207b37b in QEventDispatcherGlib::processEvents (this=0x7f03e4000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f046202051a in QEventLoop::exec (this=this@entry=0x7f03f2ffccb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f0461e3f26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f0461e441ad in QThreadPrivate::start (arg=0x560c2d1e7600) at thread/qthread_unix.cpp:368
#7  0x00007f045dfa67fc in start_thread (arg=0x7f03f2ffd700) at pthread_create.c:465
#8  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f03f37fe700 (LWP 20124)):
#0  0x00007f046173a901 in __GI___poll (fds=0x7f03e00028f0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f045c09c169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f045c09c27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f046207b37b in QEventDispatcherGlib::processEvents (this=0x7f03e0000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f046202051a in QEventLoop::exec (this=this@entry=0x7f03f37fdcb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f0461e3f26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f0461e441ad in QThreadPrivate::start (arg=0x7f0414017800) at thread/qthread_unix.cpp:368
#7  0x00007f045dfa67fc in start_thread (arg=0x7f03f37fe700) at pthread_create.c:465
#8  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f03f3fff700 (LWP 20123)):
#0  0x00007f046173a901 in __GI___poll (fds=0x7f03e80138d0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f045c09c169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f045c09c27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f046207b37b in QEventDispatcherGlib::processEvents (this=0x7f03e8000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f046202051a in QEventLoop::exec (this=this@entry=0x7f03f3ffecb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f0461e3f26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f0461e441ad in QThreadPrivate::start (arg=0x560c2c0d2040) at thread/qthread_unix.cpp:368
#7  0x00007f045dfa67fc in start_thread (arg=0x7f03f3fff700) at pthread_create.c:465
#8  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f0401cc7700 (LWP 20107)):
#0  0x00007f045dfad072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c2c212350) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560c2c212300, cond=0x560c2c212328) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560c2c212328, mutex=0x560c2c212300) at pthread_cond_wait.c:655
#3  0x00007f043b482a2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f043b482947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f045dfa67fc in start_thread (arg=0x7f0401cc7700) at pthread_create.c:465
#6  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f04024c8700 (LWP 20102)):
#0  0x00007f046173a901 in __GI___poll (fds=0x7f03f8002de0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f045c09c169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f045c09c27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f046207b37b in QEventDispatcherGlib::processEvents (this=0x7f03f8000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f046202051a in QEventLoop::exec (this=this@entry=0x7f04024c7cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f0461e3f26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f0461e441ad in QThreadPrivate::start (arg=0x560c2c1afc50) at thread/qthread_unix.cpp:368
#7  0x00007f045dfa67fc in start_thread (arg=0x7f04024c8700) at pthread_create.c:465
#8  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f04038d4700 (LWP 20100)):
#0  0x00007f046173a901 in __GI___poll (fds=0x7f03f4004710, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f045c09c169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f045c09c27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f046207b37b in QEventDispatcherGlib::processEvents (this=0x7f03fc000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f046202051a in QEventLoop::exec (this=this@entry=0x7f04038d3cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f0461e3f26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f0461e441ad in QThreadPrivate::start (arg=0x560c2c031900) at thread/qthread_unix.cpp:368
#7  0x00007f045dfa67fc in start_thread (arg=0x7f04038d4700) at pthread_create.c:465
#8  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f040ffff700 (LWP 20098)):
#0  0x00007f046173a901 in __GI___poll (fds=0x7f04080029e0, nfds=1, timeout=9612) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f045c09c169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f045c09c27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f046207b37b in QEventDispatcherGlib::processEvents (this=0x7f0408000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f046202051a in QEventLoop::exec (this=this@entry=0x7f040fffecb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f0461e3f26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f0461e441ad in QThreadPrivate::start (arg=0x560c2ae043e0) at thread/qthread_unix.cpp:368
#7  0x00007f045dfa67fc in start_thread (arg=0x7f040ffff700) at pthread_create.c:465
#8  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f04277fe700 (LWP 20096)):
#0  0x00007f046173a901 in __GI___poll (fds=0x7f0414004f00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f045c09c169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f045c09c27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f046207b37b in QEventDispatcherGlib::processEvents (this=0x7f0414000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f046202051a in QEventLoop::exec (this=this@entry=0x7f04277fdc40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f0461e3f26a in QThread::exec (this=this@entry=0x560c2ab8b7b0) at thread/qthread.cpp:515
#6  0x00007f046520fb46 in QQuickPixmapReader::run (this=0x560c2ab8b7b0) at util/qquickpixmapcache.cpp:868
#7  0x00007f0461e441ad in QThreadPrivate::start (arg=0x560c2ab8b7b0) at thread/qthread_unix.cpp:368
#8  0x00007f045dfa67fc in start_thread (arg=0x7f04277fe700) at pthread_create.c:465
#9  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f0427fff700 (LWP 20094)):
#0  0x00007f045dfad072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c2a931ab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560c2a931a68, cond=0x560c2a931a90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560c2a931a90, mutex=0x560c2a931a68) at pthread_cond_wait.c:655
#3  0x00007f043b482a2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f043b482947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f045dfa67fc in start_thread (arg=0x7f0427fff700) at pthread_create.c:465
#6  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f0434ae3700 (LWP 20093)):
#0  0x00007f045dfad072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c2a931ab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560c2a931a68, cond=0x560c2a931a90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560c2a931a90, mutex=0x560c2a931a68) at pthread_cond_wait.c:655
#3  0x00007f043b482a2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f043b482947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f045dfa67fc in start_thread (arg=0x7f0434ae3700) at pthread_create.c:465
#6  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f04352e4700 (LWP 20092)):
#0  0x00007f045dfad072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c2a9319d0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560c2a931980, cond=0x560c2a9319a8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560c2a9319a8, mutex=0x560c2a931980) at pthread_cond_wait.c:655
#3  0x00007f043b482a2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f043b482947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f045dfa67fc in start_thread (arg=0x7f04352e4700) at pthread_create.c:465
#6  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f0435ae5700 (LWP 20091)):
#0  0x00007f045dfad072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c2a9319d4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560c2a931980, cond=0x560c2a9319a8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560c2a9319a8, mutex=0x560c2a931980) at pthread_cond_wait.c:655
#3  0x00007f043b482a2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f043b482947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f045dfa67fc in start_thread (arg=0x7f0435ae5700) at pthread_create.c:465
#6  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f04362e6700 (LWP 20090)):
#0  0x00007f045dfad072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c2a9319d4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560c2a931980, cond=0x560c2a9319a8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560c2a9319a8, mutex=0x560c2a931980) at pthread_cond_wait.c:655
#3  0x00007f043b482a2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f043b482947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f045dfa67fc in start_thread (arg=0x7f04362e6700) at pthread_create.c:465
#6  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f0436ae7700 (LWP 20089)):
#0  0x00007f045dfad072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c2a935ce0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560c2a935c90, cond=0x560c2a935cb8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560c2a935cb8, mutex=0x560c2a935c90) at pthread_cond_wait.c:655
#3  0x00007f043b482a2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f043b482947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f045dfa67fc in start_thread (arg=0x7f0436ae7700) at pthread_create.c:465
#6  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f043790f700 (LWP 20088)):
#0  0x00007f045dfad072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c2a930ac0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560c2a930a70, cond=0x560c2a930a98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560c2a930a98, mutex=0x560c2a930a70) at pthread_cond_wait.c:655
#3  0x00007f043b482a2b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f043b482947 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f045dfa67fc in start_thread (arg=0x7f043790f700) at pthread_create.c:465
#6  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f0443fff700 (LWP 20087)):
#0  0x00007f046173a901 in __GI___poll (fds=0x7f043c0029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f045c09c169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f045c09c27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f046207b37b in QEventDispatcherGlib::processEvents (this=0x7f043c000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f046202051a in QEventLoop::exec (this=this@entry=0x7f0443ffec90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f0461e3f26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f0462a50065 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f0461e441ad in QThreadPrivate::start (arg=0x560c2a858810) at thread/qthread_unix.cpp:368
#8  0x00007f045dfa67fc in start_thread (arg=0x7f0443fff700) at pthread_create.c:465
#9  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f04495c6700 (LWP 20086)):
#0  0x00007f046173a901 in __GI___poll (fds=0x7f0444018fa0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f045c09c169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f045c09c27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f046207b37b in QEventDispatcherGlib::processEvents (this=0x7f0444000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f046202051a in QEventLoop::exec (this=this@entry=0x7f04495c5c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f0461e3f26a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f0463d2ed45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f0461e441ad in QThreadPrivate::start (arg=0x7f0463fa1d60) at thread/qthread_unix.cpp:368
#8  0x00007f045dfa67fc in start_thread (arg=0x7f04495c6700) at pthread_create.c:465
#9  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f04525be700 (LWP 20085)):
#0  0x00007f046173a901 in __GI___poll (fds=0x7f04525bdbb8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f045be35747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f045be3753a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0454b1b0e9 in QXcbEventReader::run (this=0x560c2a79f430) at qxcbconnection.cpp:1330
#4  0x00007f0461e441ad in QThreadPrivate::start (arg=0x560c2a79f430) at thread/qthread_unix.cpp:368
#5  0x00007f045dfa67fc in start_thread (arg=0x7f04525be700) at pthread_create.c:465
#6  0x00007f0461746b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f0466029340 (LWP 20083)):
[KCrash Handler]
#6  0x00007f04652c3614 in QQuickItem::isVisible (this=this@entry=0x560c2acea800) at items/qquickitem.cpp:5768
#7  0x00007f04652c7395 in QQuickKeysAttached::inputMethodQuery (this=0x560c2c779490, query=Qt::ImHints) at items/qquickitem.cpp:1474
#8  0x00007f04652c7fcc in QQuickItem::inputMethodQuery (this=<optimized out>, query=<optimized out>) at items/qquickitem.cpp:4196
#9  0x00007f04652cf88e in QQuickItem::event (this=0x560c2c710ee0, ev=0x7fff25a2b120) at items/qquickitem.cpp:7704
#10 0x00007f046362765c in QApplicationPrivate::notify_helper (this=this@entry=0x560c2a774290, receiver=receiver@entry=0x560c2c710ee0, e=e@entry=0x7fff25a2b120) at kernel/qapplication.cpp:3722
#11 0x00007f046362ef24 in QApplication::notify (this=0x7fff25a387c0, receiver=0x560c2c710ee0, e=0x7fff25a2b120) at kernel/qapplication.cpp:3481
#12 0x00007f04620224c8 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x560c2c710ee0, event=event@entry=0x7fff25a2b120) at kernel/qcoreapplication.cpp:1018
#13 0x00007f0462e6d6fd in QCoreApplication::sendEvent (event=0x7fff25a2b120, receiver=0x560c2c710ee0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#14 QGuiApplicationPrivate::_q_updateFocusObject (this=<optimized out>, object=0x560c2c710ee0) at kernel/qguiapplication.cpp:3746
#15 0x00007f0462e6dfb0 in QGuiApplication::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qguiapplication.cpp:179
#16 0x00007f0462050fc5 in QMetaObject::activate (sender=sender@entry=0x560c2a8c6950, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=16, argv=argv@entry=0x7fff25a2b2d0) at kernel/qobject.cpp:3766
#17 0x00007f0462051697 in QMetaObject::activate (sender=sender@entry=0x560c2a8c6950, m=m@entry=0x7f04634be420 <QWindow::staticMetaObject>, local_signal_index=local_signal_index@entry=16, argv=argv@entry=0x7fff25a2b2d0) at kernel/qobject.cpp:3628
#18 0x00007f0462e70362 in QWindow::focusObjectChanged (this=this@entry=0x560c2a8c6950, _t1=<optimized out>) at .moc/moc_qwindow.cpp:769
#19 0x00007f04652e238b in QQuickWindowPrivate::setFocusInScope (this=0x560c2a8c6a20, scope=scope@entry=0x560c2a9018c0, item=item@entry=0x560c2c710ee0, reason=reason@entry=Qt::OtherFocusReason, options=..., options@entry=...) at items/qquickwindow.cpp:975
#20 0x00007f04652cf011 in QQuickItem::setFocus (this=this@entry=0x560c2c710ee0, focus=focus@entry=true, reason=reason@entry=Qt::OtherFocusReason) at items/qquickitem.cpp:6975
#21 0x00007f04652cf337 in QQuickItem::forceActiveFocus (this=0x560c2c710ee0, reason=reason@entry=Qt::OtherFocusReason) at items/qquickitem.cpp:4651
#22 0x00007f04652cf8ea in QQuickItem::forceActiveFocus (this=<optimized out>) at items/qquickitem.cpp:4621
#23 0x00007f04652d39c5 in QQuickItem::qt_static_metacall (_o=_o@entry=0x560c2c710ee0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=36, _a=_a@entry=0x7fff25a2bce0) at .moc/moc_qquickitem.cpp:629
#24 0x00007f04652d47a5 in QQuickItem::qt_metacall (this=0x560c2c710ee0, _c=QMetaObject::InvokeMetaMethod, _id=36, _a=0x7fff25a2bce0) at .moc/moc_qquickitem.cpp:983
#25 0x00007f04508dc7f5 in QQuickControl::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#26 0x00007f04508e0895 in QQuickPage::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#27 0x00007f04629a6ebe in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f04629a6f19 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007f04629a6f19 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007f04629a6f19 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007f0462a037f9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007f0462980b4b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007f0462982052 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#34 0x00007f0462983101 in QV4::QObjectMethod::callInternal(QV4::CallData*, QV4::Scope&) const () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#35 0x00007f046299becd in QV4::Runtime::method_callProperty(QV4::ExecutionEngine*, int, QV4::CallData*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#36 0x00007f0466002806 in ?? ()
#37 0x00007fff25a2c3a0 in ?? ()
#38 0x0000560c2d2b9d70 in ?? ()
#39 0x0000000000000000 in ?? ()

Possible duplicates by query: bug 389168, bug 385040.

Reported using DrKonqi
Comment 1 Aleix Pol 2018-02-12 17:25:45 UTC 
*** Bug 390240 has been marked as a duplicate of this bug. ***
Comment 2 Aleix Pol 2018-02-22 18:24:57 UTC 
This is a bug that has been fixed in Qt, there's not much we can do until that happens.

Steps to reproduce could help to get a workaround meanwhile.