Application: dolphin (20.04.0)

Qt Version: 5.14.2
Frameworks Version: 5.69.0
Operating System: Linux 5.6.6-arch1-1 x86_64
Windowing system: X11
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
1. open Dolphin
2. Right-click on built-in terminal
3. Press "Close Session"
 
Ctrl+shift+w also crashes Dolphin

The crash can be reproduced every time.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7f06fbd840 (LWP 6346))]

Thread 4 (Thread 0x7f7ef6287700 (LWP 6349)):
#0  0x00007f7f079ccabf in poll () from /usr/lib/libc.so.6
#1  0x00007f7f032e54a0 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7f032e5571 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7f0581d8ac in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7f057c405c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7f055e8c62 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7f055e9dd6 in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7f03d6146f in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7f079d73d3 in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f7efe7d7700 (LWP 6348)):
#0  0x00007f7f032e2f3d in ?? () from /usr/lib/libglib-2.0.so.0
#1  0x00007f7f032e39f6 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7f032e4cbb in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7f032e53c6 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f7f032e5571 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0x00007f7f0581d8ac in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f7f057c405c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#7  0x00007f7f055e8c62 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007f7f05a75b28 in ?? () from /usr/lib/libQt5DBus.so.5
#9  0x00007f7f055e9dd6 in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f7f03d6146f in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f7f079d73d3 in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f7eff46f700 (LWP 6347)):
#0  0x00007f7f079ccabf in poll () from /usr/lib/libc.so.6
#1  0x00007f7f03f9463b in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f7f03f9637b in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f7effe85e01 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f7f055e9dd6 in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007f7f03d6146f in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f7f079d73d3 in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f7f06fbd840 (LWP 6346)):
[KCrash Handler]
#6  0x000055eb3993d430 in ?? ()
#7  0x00007f7f057f4171 in QObject::disconnect(QObject const*, char const*, QObject const*, char const*) () from /usr/lib/libQt5Core.so.5
#8  0x00007f7f06e6131e in KActionCollection::removeAssociatedWidget(QWidget*) () from /usr/lib/libKF5XmlGui.so.5
#9  0x00007f7f06ea9ebc in KXMLGUIClient::prepareXMLUnplug(QWidget*) () from /usr/lib/libKF5XmlGui.so.5
#10 0x00007f7f06eb1440 in KXMLGUIFactory::removeClient(KXMLGUIClient*) () from /usr/lib/libKF5XmlGui.so.5
#11 0x00007f7efc47f053 in Konsole::SessionController::~SessionController() () from /usr/lib/libkonsoleprivate.so.20
#12 0x00007f7efc47f2aa in Konsole::SessionController::~SessionController() () from /usr/lib/libkonsoleprivate.so.20
#13 0x00007f7f057f2870 in QObject::event(QEvent*) () from /usr/lib/libQt5Core.so.5
#14 0x00007f7f0634b352 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#15 0x00007f7f06354829 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#16 0x00007f7f057c54f2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#17 0x00007f7f057c7d56 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#18 0x00007f7f0581e244 in ?? () from /usr/lib/libQt5Core.so.5
#19 0x00007f7f032e36be in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#20 0x00007f7f032e5531 in ?? () from /usr/lib/libglib-2.0.so.0
#21 0x00007f7f032e5571 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#22 0x00007f7f0581d890 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#23 0x00007f7f057c405c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#24 0x00007f7f057cc066 in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#25 0x00007f7f07ae3663 in kdemain () from /usr/lib/libkdeinit5_dolphin.so
#26 0x00007f7f078ff023 in __libc_start_main () from /usr/lib/libc.so.6
#27 0x000055eb37b2805e in _start ()
[Inferior 1 (process 6346) detached]

Possible duplicates by query: bug 400970, bug 400304, bug 380402, bug 366151, bug 361213.

Reported using DrKonqi