Application: systemsettings5 (5.5.0)

Qt Version: 5.5.1
Operating System: Linux 4.2.6-301.fc23.x86_64 x86_64
Distribution: "Fedora release 23 (Twenty Three)"

-- Information about the crash:
Go to System Settings, Search, File. Click on "Edit". System settings crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbc9d26d8c0 (LWP 11058))]

Thread 3 (Thread 0x7fbc80e6b700 (LWP 11059)):
#0  0x00007fbc9758effd in poll () at /lib64/libc.so.6
#1  0x00007fbc944d7272 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007fbc944d8ee7 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007fbc83837da9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007fbc981973ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fbc93c9260a in start_thread () at /lib64/libpthread.so.0
#6  0x00007fbc9759aa9d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fbc6f7b8700 (LWP 11060)):
#0  0x00007fbc93c97b10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fbc730402fa in radeon_drm_cs_emit_ioctl () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fbc7303fa37 in impl_thrd_routine () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fbc93c9260a in start_thread () at /lib64/libpthread.so.0
#4  0x00007fbc9759aa9d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fbc9d26d8c0 (LWP 11058)):
[KCrash Handler]
#5  0x00007fbc8384ef08 in QXcbWindow::setParent(QPlatformWindow const*) () at /lib64/libQt5XcbQpa.so.5
#6  0x00007fbc999678bb in QWindow::setParent(QWindow*) () at /lib64/libQt5Gui.so.5
#7  0x00007fbc9a1425d5 in QWidgetPrivate::setParent_sys(QWidget*, QFlags<Qt::WindowType>) () at /lib64/libQt5Widgets.so.5
#8  0x00007fbc9a14dfda in QWidget::setParent(QWidget*, QFlags<Qt::WindowType>) () at /lib64/libQt5Widgets.so.5
#9  0x00007fbc9a14f0cc in QWidget::setParent(QWidget*) () at /lib64/libQt5Widgets.so.5
#10 0x00007fbc9a23511c in QDialogButtonBox::addButton(QAbstractButton*, QDialogButtonBox::ButtonRole) () at /lib64/libQt5Widgets.so.5
#11 0x00007fbc8003be59 in KDEPlatformFileDialog::KDEPlatformFileDialog() () at /usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#12 0x00007fbc8003c282 in KDEPlatformFileDialogHelper::KDEPlatformFileDialogHelper() () at /usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#13 0x00007fbc8002f2fa in KdePlatformTheme::createPlatformDialogHelper(QPlatformTheme::DialogType) const () at /usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#14 0x00007fbc9a3041b5 in QDialogPrivate::platformHelper() const () at /lib64/libQt5Widgets.so.5
#15 0x00007fbc9a317958 in QFileDialogPrivate::init(QUrl const&, QString const&, QString const&) () at /lib64/libQt5Widgets.so.5
#16 0x00007fbc9a317c76 in QFileDialog::QFileDialog(QFileDialogArgs const&) () at /lib64/libQt5Widgets.so.5
#17 0x00007fbc9a318b79 in QFileDialog::getExistingDirectoryUrl(QWidget*, QString const&, QUrl const&, QFlags<QFileDialog::Option>, QStringList const&) () at /lib64/libQt5Widgets.so.5
#18 0x00007fbc9a318d73 in QFileDialog::getExistingDirectory(QWidget*, QString const&, QString const&, QFlags<QFileDialog::Option>) () at /lib64/libQt5Widgets.so.5
#19 0x00007fbc64ce3888 in FolderSelectionWidget::slotAddButtonClicked() () at /usr/lib64/qt5/plugins/kcm_baloofile.so
#20 0x00007fbc983a7177 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#21 0x00007fbc9a4a49e2 in QAbstractButton::clicked(bool) () at /lib64/libQt5Widgets.so.5
#22 0x00007fbc9a207524 in QAbstractButtonPrivate::emitClicked() () at /lib64/libQt5Widgets.so.5
#23 0x00007fbc9a208b39 in QAbstractButtonPrivate::click() () at /lib64/libQt5Widgets.so.5
#24 0x00007fbc9a208cb4 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /lib64/libQt5Widgets.so.5
#25 0x00007fbc9a14d428 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#26 0x00007fbc9a10a41c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#27 0x00007fbc9a10ffe9 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#28 0x00007fbc9837877b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#29 0x00007fbc9a10eef2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /lib64/libQt5Widgets.so.5
#30 0x00007fbc9a16798b in QWidgetWindow::handleMouseEvent(QMouseEvent*) () at /lib64/libQt5Widgets.so.5
#31 0x00007fbc9a169f4b in QWidgetWindow::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#32 0x00007fbc9a10a41c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#33 0x00007fbc9a10f8e6 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#34 0x00007fbc9837877b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#35 0x00007fbc99960ee1 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /lib64/libQt5Gui.so.5
#36 0x00007fbc99962bb5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib64/libQt5Gui.so.5
#37 0x00007fbc99946958 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Gui.so.5
#38 0x00007fbc838690a0 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5XcbQpa.so.5
#39 0x00007fbc92e5fe3a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#40 0x00007fbc92e601d0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#41 0x00007fbc92e6027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#42 0x00007fbc983ceeef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#43 0x00007fbc98375f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#44 0x00007fbc9837dfec in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#45 0x000055c2e071bc0b in main ()

Reported using DrKonqi