Bug 411944

Summary: Latte dock crashes and will not open on kde neon
Product: [Unmaintained] lattedock Reporter: brokoliprivat
Component: applicationAssignee: Michail Vourlakos <mvourlakos>
Status: RESOLVED UPSTREAM    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: unspecified   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description brokoliprivat 2019-09-15 18:46:36 UTC 
Application: latte-dock (0.9.85)

Qt Version: 5.12.3
Frameworks Version: 5.61.0
Operating System: Linux 5.1.8-050108-generic x86_64
Distribution: KDE neon User Edition 5.16

-- Information about the crash:
- Unusual behavior I noticed:

Every start of the app leads to a crash

The crash can be reproduced every time.

-- Backtrace:
Application: Latte Dock (latte-dock), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6c17817800 (LWP 2774))]

Thread 16 (Thread 0x7f6bd0ff9700 (LWP 2791)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c381c7f30) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c381c7ee0, cond=0x555c381c7f08) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c381c7f08, mutex=0x555c381c7ee0) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6bd0ff9700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f6bd17fa700 (LWP 2790)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c381c7f30) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c381c7ee0, cond=0x555c381c7f08) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c381c7f08, mutex=0x555c381c7ee0) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6bd17fa700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f6bd1ffb700 (LWP 2789)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c381c7f30) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c381c7ee0, cond=0x555c381c7f08) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c381c7f08, mutex=0x555c381c7ee0) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6bd1ffb700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f6bd27fc700 (LWP 2788)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c381c7f30) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c381c7ee0, cond=0x555c381c7f08) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c381c7f08, mutex=0x555c381c7ee0) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6bd27fc700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f6bd2ffd700 (LWP 2787)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c381c79b0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c381c7960, cond=0x555c381c7988) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c381c7988, mutex=0x555c381c7960) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6bd2ffd700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f6bd37fe700 (LWP 2786)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c381c79b0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c381c7960, cond=0x555c381c7988) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c381c7988, mutex=0x555c381c7960) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6bd37fe700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f6bd3fff700 (LWP 2785)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c381c79b0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c381c7960, cond=0x555c381c7988) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c381c7988, mutex=0x555c381c7960) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6bd3fff700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f6be0d1e700 (LWP 2784)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c381c79b0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c381c7960, cond=0x555c381c7988) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c381c7988, mutex=0x555c381c7960) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6be0d1e700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f6be151f700 (LWP 2783)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c381c79b0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c381c7960, cond=0x555c381c7988) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c381c7988, mutex=0x555c381c7960) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6be151f700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f6be1d20700 (LWP 2782)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c381c79b0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c381c7960, cond=0x555c381c7988) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c381c7988, mutex=0x555c381c7960) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6be1d20700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f6be2521700 (LWP 2781)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c38052148) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c380520f8, cond=0x555c38052120) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c38052120, mutex=0x555c380520f8) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6be2521700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f6be2e63700 (LWP 2780)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c381c6668) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c381c6618, cond=0x555c381c6640) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c381c6640, mutex=0x555c381c6618) at pthread_cond_wait.c:655
#3  0x00007f6be81a23bb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6be81a1fc7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6be2e63700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f6bf0d4f700 (LWP 2779)):
[KCrash Handler]
#5  0x00007f6c14f2c0e0 in QQmlType::QQmlType(QQmlType const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f6c14dcf12d in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f6c14dd1d78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f6c14dd1f8e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f6c14dcd9be in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f6c14f4369b in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f6c14f49e92 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f6c14f42d7c in QQmlDataBlob::tryDone() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f6c14f445ee in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::SourceCodeData const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f6c14f44e5a in QQmlTypeLoader::setData(QQmlDataBlob*, QString const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f6c14f44ffb in QQmlTypeLoader::loadThread(QQmlDataBlob*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f6c14f4516d in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f6c14fb8474 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f6c14fb8b4a in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007f6c1331d65c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f6c13324b90 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f6c11486d18 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f6c114898d7 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f6c114e4793 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f6c0a4dc417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f6c0a4dc650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f6c0a4dc6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f6c114e3daf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f6c1148503a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f6c112ac4ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f6c14fb8115 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007f6c112adc72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f6c0d3ba6db in start_thread (arg=0x7f6bf0d4f700) at pthread_create.c:463
#33 0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f6bfbbf0700 (LWP 2776)):
#0  0x00007f6c105eabf9 in __GI___poll (fds=0x7f6bf4004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f6c0a4dc5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c0a4dc6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c114e3dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6c1148503a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6c112ac4ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6c127ef015 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f6c112adc72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6c0d3ba6db in start_thread (arg=0x7f6bfbbf0700) at pthread_create.c:463
#9  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f6c023aa700 (LWP 2775)):
#0  0x00007f6c105eabf9 in __GI___poll (fds=0x7f6c023a9ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f6c162e8747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f6c162ea36a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f6c04d7d578 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f6c112adc72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6c0d3ba6db in start_thread (arg=0x7f6c023aa700) at pthread_create.c:463
#6  0x00007f6c105f788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f6c17817800 (LWP 2774)):
#0  0x00007f6c0d3c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555c38013644) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f6c0d3c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555c380135f0, cond=0x555c38013618) at pthread_cond_wait.c:502
#2  0x00007f6c0d3c09f3 in __pthread_cond_wait (cond=0x555c38013618, mutex=0x555c380135f0) at pthread_cond_wait.c:655
#3  0x00007f6c112b4dbb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6c112b50c9 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6c14fb87e1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f6c14f51985 in void QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f6c14f451a6 in QQmlTypeLoader::load(QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f6c14f45e19 in QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f6c14f21a73 in QQmlComponentPrivate::loadUrl(QUrl const&, QQmlComponent::CompilationMode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f6c159f32f2 in  () at /usr/lib/x86_64-linux-gnu/libKF5Declarative.so.5
#11 0x00007f6c16d568f1 in PlasmaQuick::AppletQuickItem::init() () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#12 0x00007f6bea95e7b4 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#13 0x00007f6bea96b64d in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#14 0x00007f6c16d58158 in PlasmaQuick::AppletQuickItem::itemChange(QQuickItem::ItemChange, QQuickItem::ItemChangeData const&) () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#15 0x00007f6c155403ed in QQuickItemPrivate::itemChange(QQuickItem::ItemChange, QQuickItem::ItemChangeData const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f6c15546034 in QQuickItemPrivate::refWindow(QQuickWindow*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f6c155470f0 in QQuickItem::setParentItem(QQuickItem*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f6c16d66fb1 in  () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#19 0x0000555c3686117e in Latte::Layout::GenericLayout::addView(Plasma::Containment*, bool, int, QHash<QString, QHash<Plasma::Types::Location, unsigned int> >*) ()
#20 0x0000555c3685706f in Latte::CentralLayout::addView(Plasma::Containment*, bool, int, QHash<QString, QHash<Plasma::Types::Location, unsigned int> >*) ()
#21 0x0000555c3685e81f in Latte::Layout::GenericLayout::addContainment(Plasma::Containment*) ()
#22 0x00007f6c114b698f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f6c15c389ff in Plasma::Corona::containmentAdded(Plasma::Containment*) () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#24 0x00007f6c15c3b1f2 in  () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#25 0x00007f6c15c3bdc7 in  () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#26 0x00007f6c15c3d191 in Plasma::Corona::loadLayout(QString const&) () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#27 0x0000555c368819cf in Latte::Layouts::Manager::loadLatteLayout(QString) ()
#28 0x0000555c3688b09b in  ()
#29 0x00007f6c114c3804 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f6c114b739b in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f6c1331d65c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007f6c13324b90 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f6c11486d18 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f6c114e3219 in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f6c114e39e1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f6c0a4dc417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f6c0a4dc650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f6c0a4dc6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f6c114e3daf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007f6c1148503a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f6c1148e170 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x0000555c36836c03 in main ()

Reported using DrKonqi
Comment 1 Michail Vourlakos 2019-10-03 18:23:34 UTC 
Run

 latte-dock -cc

from command prompt after you close Latte and report back if it is fixed
Comment 2 Michail Vourlakos 2019-10-03 18:24:10 UTC 
latte-dock --cc
Comment 3 Michail Vourlakos 2019-10-12 06:50:16 UTC 
run, latte-dock --cc

and restart your system