https://bugs.kde.org/show_bug.cgi?id=398560

            Bug ID: 398560
           Summary: Kate preview crash Kate when closing documents from
                    tab bar
           Product: kate
           Version: 18.08.1
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kwrite-bugs-n...@kde.org
          Reporter: pas...@gmail.com
  Target Milestone: ---

Application: kate (18.08.1)

Qt Version: 5.11.1
Frameworks Version: 5.50.0
Operating System: Linux 4.17.17-1 x86_64
Distribution: "KaOS"

-- Information about the crash:
- What I was doing when the application crashed:
I was closing a markdown document which is part of a git repository by clicking
the tab bar close buton.
Randomly, but reproducible very often; a document close cause the preview panel
to crash the application.

The crash can be reproduced every time.

-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f793fcf1880 (LWP 9875))]

Thread 19 (Thread 0x7f78fcff9700 (LWP 9894)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 18 (Thread 0x7f78fd7fa700 (LWP 9893)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 17 (Thread 0x7f78fdffb700 (LWP 9892)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 16 (Thread 0x7f78fe7fc700 (LWP 9891)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 15 (Thread 0x7f78feffd700 (LWP 9890)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 14 (Thread 0x7f78ff7fe700 (LWP 9889)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 13 (Thread 0x7f78fffff700 (LWP 9888)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 12 (Thread 0x7f7920ff9700 (LWP 9887)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 11 (Thread 0x7f79217fa700 (LWP 9886)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 10 (Thread 0x7f7921ffb700 (LWP 9885)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 9 (Thread 0x7f79227fc700 (LWP 9884)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 8 (Thread 0x7f7922ffd700 (LWP 9883)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 7 (Thread 0x7f79237fe700 (LWP 9882)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 6 (Thread 0x7f7923fff700 (LWP 9881)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 5 (Thread 0x7f7928bd9700 (LWP 9879)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 4 (Thread 0x7f79293da700 (LWP 9878)):
#0  0x00007f7948c30585 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/libpthread.so.0
#1  0x00007f794bcb1c6b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f7929a7289d in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f7929a774f8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f7929a71e4f in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f7929a74f1b in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#8  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 3 (Thread 0x7f7933fd0700 (LWP 9877)):
#0  0x00007f79449087b4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f79448c39f0 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007f79448c43b3 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f79448c458c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007f794bed001b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007f794be778ca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007f794bca66fa in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f7950218665 in QDBusConnectionManager::run() () at
/usr/lib/libQt5DBus.so.5
#8  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#9  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#10 0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 2 (Thread 0x7f793ce81700 (LWP 9876)):
#0  0x00007f794b5b737b in poll () at /lib/libc.so.6
#1  0x00007f79486cf827 in  () at /usr/lib/libxcb.so.1
#2  0x00007f79486d13aa in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f793fa5b8c9 in QXcbEventReader::run() () at
/usr/lib/qt5/plugins/platforms/../../../libQt5XcbQpa.so.5
#4  0x00007f794bcb0ee8 in QThreadPrivate::start(void*) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f7948c2a4a7 in start_thread () at /lib/libpthread.so.0
#6  0x00007f794b5c0f9f in clone () at /lib/libc.so.6

Thread 1 (Thread 0x7f793fcf1880 (LWP 9875)):
[KCrash Handler]
#5  0x00007f794bea9077 in QMetaObjectPrivate::disconnect(QObject const*, int,
QMetaObject const*, QObject const*, int, void**,
QMetaObjectPrivate::DisconnectType) () at /usr/lib/libQt5Core.so.5
#6  0x00007f794bea9527 in QObject::disconnectImpl(QObject const*, void**,
QObject const*, void**, QMetaObject const*) () at /usr/lib/libQt5Core.so.5
#7  0x00007f792a7b07be in  () at
/usr/lib/qt5/plugins/ktexteditor/ktexteditorpreviewplugin.so
#8  0x00007f792a7ad6fb in  () at
/usr/lib/qt5/plugins/ktexteditor/ktexteditorpreviewplugin.so
#9  0x00007f794bea6b44 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#10 0x00007f794fdd9472 in
KTextEditor::MainWindow::viewChanged(KTextEditor::View*) () at
/usr/lib/libKF5TextEditor.so.5
#11 0x00007f794bea6a4a in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#12 0x0000000000485cff in  ()
#13 0x0000000000455464 in  ()
#14 0x00000000004560c5 in  ()
#15 0x00000000004563f7 in  ()
#16 0x000000000048a4fa in  ()
#17 0x00007f794bea6a4a in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#18 0x0000000000485975 in  ()
#19 0x000000000043b13b in  ()
#20 0x000000000043ba1e in  ()
#21 0x00007f794bea7532 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#22 0x00007f794cd87983 in QWidget::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#23 0x00007f794cd4aeac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#24 0x00007f794cd51fcf in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#25 0x00007f794be78fd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#26 0x00007f794be7b975 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#27 0x00007f794bed0973 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /usr/lib/libQt5Core.so.5
#28 0x00007f79448c42f7 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#29 0x00007f79448c4508 in  () at /usr/lib/libglib-2.0.so.0
#30 0x00007f79448c458c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#31 0x00007f794becffff in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#32 0x00007f793fae39d1 in
QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/qt5/plugins/platforms/../../../libQt5XcbQpa.so.5
#33 0x00007f794be778ca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#34 0x00007f794be803b0 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#35 0x000000000042ac8c in  ()
#36 0x00007f794b4f0f2a in __libc_start_main () at /lib/libc.so.6
#37 0x000000000042be1a in _start ()

Reported using DrKonqi

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