Application: kdeinit5 (18.08.2)

Qt Version: 5.11.2
Frameworks Version: 5.51.0
Operating System: Linux 4.18.16-arch1-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
The "Empty Recycle Bin" button is not responding, so I used the trash-empty(trash-cli) command and then. . .

The crash can be reproduced every time.

-- Backtrace:
Application: Dolphin (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6e83053640 (LWP 13735))]

Thread 5 (Thread 0x7f6e6742a700 (LWP 13849)):
#0  0x00007f6e7e75b748 in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#1  0x00007f6e7e75c988 in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#2  0x00007f6e7e75ccba in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#3  0x00007f6e7e75d54a in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#4  0x00007f6e7f0ead18 in pa_mainloop_dispatch () at /usr/lib/libpulse.so.0
#5  0x00007f6e7f0eafef in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#6  0x00007f6e7f0eb091 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#7  0x00007f6e7f0f95ae in  () at /usr/lib/libpulse.so.0
#8  0x00007f6e7e76d9fc in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#9  0x00007f6e86626a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f6e875e0b23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f6e74d36700 (LWP 13738)):
#0  0x00007f6e8662cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6e753231ac in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f6e75322ee8 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f6e86626a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6e875e0b23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f6e77735700 (LWP 13737)):
#0  0x00007f6e875d5c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f6e85a62ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6e85a62fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6e8796dfe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f6e879198cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6e87762eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6e821eeba6 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f6e8776cf65 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6e86626a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f6e875e0b23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f6e7c83f700 (LWP 13736)):
#0  0x00007f6e875d5c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f6e88198630 in  () at /usr/lib/libxcb.so.1
#2  0x00007f6e8819a2db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f6e7dbf0c5a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f6e8776cf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6e86626a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6e875e0b23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f6e83053640 (LWP 13735)):
[KCrash Handler]
#6  0x00007f6e869c2e11 in QWidget::testAttribute_helper(Qt::WidgetAttribute) const () at /usr/lib/libQt5Widgets.so.5
#7  0x00007f6e869cbe0c in QWidgetPrivate::createWinId() () at /usr/lib/libQt5Widgets.so.5
#8  0x00007f6e869cbb9f in QWidget::create(unsigned long long, bool, bool) () at /usr/lib/libQt5Widgets.so.5
#9  0x00007f6e869d9086 in QWidget::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007f6e86b8ffdd in QDialog::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5
#11 0x00007f6e86b8f638 in QDialog::exec() () at /usr/lib/libQt5Widgets.so.5
#12 0x00007f6e81852216 in KMessageBox::createKMessageBox(QDialog*, QDialogButtonBox*, QIcon const&, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&, QMessageBox::Icon) () at /usr/lib/libKF5WidgetsAddons.so.5
#13 0x00007f6e81852672 in KMessageBox::createKMessageBox(QDialog*, QDialogButtonBox*, QMessageBox::Icon, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&) () at /usr/lib/libKF5WidgetsAddons.so.5
#14 0x00007f6e8185512f in  () at /usr/lib/libKF5WidgetsAddons.so.5
#15 0x00007f6e81856694 in  () at /usr/lib/libKF5WidgetsAddons.so.5
#16 0x00007f6e818fba9b in  () at /usr/lib/libKF5JobWidgets.so.5
#17 0x00007f6e87945352 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#18 0x00007f6e86999e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#19 0x00007f6e869a16e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#20 0x00007f6e8791ac39 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#21 0x00007f6e8791dccc in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#22 0x00007f6e8796e9d4 in  () at /usr/lib/libQt5Core.so.5
#23 0x00007f6e85a613cf in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#24 0x00007f6e85a62f89 in  () at /usr/lib/libglib-2.0.so.0
#25 0x00007f6e85a62fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#26 0x00007f6e8796dfc9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#27 0x00007f6e7dc86e12 in  () at /usr/lib/libQt5XcbQpa.so.5
#28 0x00007f6e879198cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#29 0x00007f6e87921bc6 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#30 0x00007f6e802a9501 in kdemain () at /usr/lib/libkdeinit5_dolphin.so
#31 0x000055680e954458 in  ()
#32 0x000055680e955552 in  ()
#33 0x000055680e955efd in  ()
#34 0x000055680e950b7a in  ()
#35 0x00007f6e87509223 in __libc_start_main () at /usr/lib/libc.so.6
#36 0x000055680e95184e in _start ()
[Inferior 1 (process 13735) detached]

Reported using DrKonqi