Application: dolphin (16.08.2)
 (Compiled from sources)
Qt Version: 5.6.2
Frameworks Version: 5.27.0
Operating System: Linux 4.4.24-Generic x86_64
Distribution: "Linux From Scratch"

-- Information about the crash:
- What I was doing when the application crashed:
Copying user files from old system on sdb to new system on sda opened in two tabs.

The crash can be reproduced every time.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#6  0x00007f5966d5e304 in free () at /lib/libc.so.6
#7  0x00007f5967bb67b4 in QObjectPrivate::Connection::~Connection() () at /opt/qt5/lib/libQt5Core.so.5
#8  0x00007f5967bba3ac in QObjectPrivate::cleanConnectionLists() () at /opt/qt5/lib/libQt5Core.so.5
#9  0x00007f5967bbb1ce in QObjectPrivate::addConnection(int, QObjectPrivate::Connection*) () at /opt/qt5/lib/libQt5Core.so.5
#10 0x00007f5967bbb484 in  () at /opt/qt5/lib/libQt5Core.so.5
#11 0x00007f5967bbea9a in QObject::connect(QObject const*, char const*, QObject const*, char const*, Qt::ConnectionType) () at /opt/qt5/lib/libQt5Core.so.5
#12 0x00007f596d5250c0 in  () at /opt/kf5/lib/libKF5KIOCore.so.5
#13 0x00007f596d54310a in  () at /opt/kf5/lib/libKF5KIOCore.so.5
#14 0x00007f5967bb8879 in QMetaObject::activate(QObject*, int, int, void**) () at /opt/qt5/lib/libQt5Core.so.5
#15 0x00007f5967bc4df8 in QTimer::timerEvent(QTimerEvent*) () at /opt/qt5/lib/libQt5Core.so.5
#16 0x00007f5967bb92cb in QObject::event(QEvent*) () at /opt/qt5/lib/libQt5Core.so.5
#17 0x00007f5968d6214c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /opt/qt5/lib/libQt5Widgets.so.5
#18 0x00007f5968d6725f in QApplication::notify(QObject*, QEvent*) () at /opt/qt5/lib/libQt5Widgets.so.5
#19 0x00007f5967b8c9b0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /opt/qt5/lib/libQt5Core.so.5
#20 0x00007f5967bdf71e in QTimerInfoList::activateTimers() () at /opt/qt5/lib/libQt5Core.so.5
#21 0x00007f5967bdfc31 in  () at /opt/qt5/lib/libQt5Core.so.5
#22 0x00007f5961499d77 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#23 0x00007f5961499fa8 in  () at /usr/lib/libglib-2.0.so.0
#24 0x00007f596149a04c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#25 0x00007f5967be076f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /opt/qt5/lib/libQt5Core.so.5
#26 0x00007f5967b8ac5a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /opt/qt5/lib/libQt5Core.so.5
#27 0x00007f5967b92f5d in QCoreApplication::exec() () at /opt/qt5/lib/libQt5Core.so.5
#28 0x00007f596f196347 in kdemain () at /opt/kf5/lib/libkdeinit5_dolphin.so
#29 0x00007f5966d03291 in __libc_start_main () at /lib/libc.so.6
#30 0x00000000004009aa in _start ()

Possible duplicates by query: bug 366639, bug 364038.

Reported using DrKonqi