Application: dolphin (17.12.3)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.18.0-20-generic x86_64
Distribution: Ubuntu 18.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Dolphin crashed when copying files between tabs. I was just doing that.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f662814d6c0 (LWP 10266))]

Thread 4 (Thread 0x7f65bffff700 (LWP 925)):
#0  0x00007f661ca9c9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b8e4a0d170) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55b8e4a0d120, cond=0x55b8e4a0d148) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55b8e4a0d148, mutex=0x55b8e4a0d120) at pthread_cond_wait.c:655
#3  0x00007f66219a759b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f662199fc0b in QSemaphore::acquire(int) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f65fd19880c in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#6  0x00007f66219a616d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f661ca966db in start_thread (arg=0x7f65bffff700) at pthread_create.c:463
#8  0x00007f66279d688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f65fecd0700 (LWP 10271)):
#0  0x00007f661a96a664 in g_mutex_unlock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f661a9234b7 in g_main_context_acquire () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f661a924485 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f661a9246dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6621bdd90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6621b829ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f66219a122a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f66219a616d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f661ca966db in start_thread (arg=0x7f65fecd0700) at pthread_create.c:463
#9  0x00007f66279d688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f660a6dd700 (LWP 10270)):
#0  0x00007f661a96a664 in g_mutex_unlock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f661a9245be in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f661a9246dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6621bdd90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6621b829ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f66219a122a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f662205ad45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f66219a616d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f661ca966db in start_thread (arg=0x7f660a6dd700) at pthread_create.c:463
#9  0x00007f66279d688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f662814d6c0 (LWP 10266)):
[KCrash Handler]
#6  __GI___libc_free (mem=0x1) at malloc.c:3103
#7  0x00007f6621bb0aed in QObjectPrivate::Connection::~Connection() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6621bb5722 in QObjectPrivate::cleanConnectionLists() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f6621bb5837 in QObjectPrivate::addConnection(int, QObjectPrivate::Connection*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f6621bb7774 in QObjectPrivate::connectImpl(QObject const*, int, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f6621bb7b22 in QObject::connectImpl(QObject const*, void**, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f6625f32fc2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#13 0x00007f6625f46ec2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#14 0x00007f6621bb35b5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f6621bc0027 in QTimer::timeout(QTimer::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f6621bc0388 in QTimer::timerEvent(QTimerEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f6621bb40db in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f6622b8c82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f6622b940f4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f6621b849a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f6621bdcd8e in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f6621bdd589 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f661a924417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f661a924650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f661a9246dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f6621bdd8ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f6621b829ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f6621b8ba84 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f6627ce9baa in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_dolphin.so
#30 0x00007f66278d6b97 in __libc_start_main (main=0x55b8e2125730, argc=2, argv=0x7ffee8686e48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffee8686e38) at ../csu/libc-start.c:310
#31 0x000055b8e212576a in _start ()

Possible duplicates by query: bug 399438.

Reported using DrKonqi