https://bugs.kde.org/show_bug.cgi?id=356827

Mattia <mattia.ve...@tiscali.it> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mattia.ve...@tiscali.it

--- Comment #3 from Mattia <mattia.ve...@tiscali.it> ---
Same thing here:

Application: KWrite (kwrite), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f88fc9ae900 (LWP 14342))]

Thread 3 (Thread 0x7f88dd503700 (LWP 14343)):
#0  0x00007f88f5702ffd in poll () from /lib64/libc.so.6
#1  0x00007f88edc9e272 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f88edc9fee7 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f88dff14da9 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4  0x00007f88f631f3ce in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f88f341b60a in start_thread () from /lib64/libpthread.so.0
#6  0x00007f88f570ea9d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f88d0093700 (LWP 14344)):
#0  0x00007f88f3420b10 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f88d39612fa in radeon_drm_cs_emit_ioctl () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f88d3960a37 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f88f341b60a in start_thread () from /lib64/libpthread.so.0
#4  0x00007f88f570ea9d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f88fc9ae900 (LWP 14342)):
[KCrash Handler]
#5  0x00007f88dff2bf08 in QXcbWindow::setParent(QPlatformWindow const*) () from
/lib64/libQt5XcbQpa.so.5
#6  0x00007f88f711a8bb in QWindow::setParent(QWindow*) () from
/lib64/libQt5Gui.so.5
#7  0x00007f88f78f85d5 in QWidgetPrivate::setParent_sys(QWidget*,
QFlags<Qt::WindowType>) () from /lib64/libQt5Widgets.so.5
#8  0x00007f88f7903fda in QWidget::setParent(QWidget*, QFlags<Qt::WindowType>)
() from /lib64/libQt5Widgets.so.5
#9  0x00007f88f79050cc in QWidget::setParent(QWidget*) () from
/lib64/libQt5Widgets.so.5
#10 0x00007f88f79eb11c in QDialogButtonBox::addButton(QAbstractButton*,
QDialogButtonBox::ButtonRole) () from /lib64/libQt5Widgets.so.5
#11 0x00007f88dc6cade9 in KDEPlatformFileDialog::KDEPlatformFileDialog() ()
from /usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#12 0x00007f88dc6cb212 in
KDEPlatformFileDialogHelper::KDEPlatformFileDialogHelper() () from
/usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#13 0x00007f88dc6be35a in
KdePlatformTheme::createPlatformDialogHelper(QPlatformTheme::DialogType) const
() from /usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#14 0x00007f88f7aba1b5 in QDialogPrivate::platformHelper() const () from
/lib64/libQt5Widgets.so.5
#15 0x00007f88f7acd958 in QFileDialogPrivate::init(QUrl const&, QString const&,
QString const&) () from /lib64/libQt5Widgets.so.5
#16 0x00007f88f7acdc76 in QFileDialog::QFileDialog(QFileDialogArgs const&) ()
from /lib64/libQt5Widgets.so.5
#17 0x00007f88f7ace74e in QFileDialog::getSaveFileUrl(QWidget*, QString const&,
QUrl const&, QString const&, QString*, QFlags<QFileDialog::Option>, QStringList
const&) () from /lib64/libQt5Widgets.so.5
#18 0x00007f88fc0c3c03 in KTextEditor::DocumentPrivate::documentSaveAs() ()
from /lib64/libKF5TextEditor.so.5
#19 0x00007f88fc27ecde in
KTextEditor::DocumentPrivate::qt_static_metacall(QObject*, QMetaObject::Call,
int, void**) () from /lib64/libKF5TextEditor.so.5
#20 0x00007f88f652f2ea in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#21 0x00007f88f78b67d2 in QAction::triggered(bool) () from
/lib64/libQt5Widgets.so.5
#22 0x00007f88f78b8c58 in QAction::activate(QAction::ActionEvent) () from
/lib64/libQt5Widgets.so.5
#23 0x00007f88f7a3b562 in
QMenuPrivate::activateCausedStack(QList<QPointer<QWidget> > const&, QAction*,
QAction::ActionEvent, bool) () from /lib64/libQt5Widgets.so.5
#24 0x00007f88f7a4182c in QMenuPrivate::activateAction(QAction*,
QAction::ActionEvent, bool) () from /lib64/libQt5Widgets.so.5
#25 0x00007f88f7a45730 in QMenu::mouseReleaseEvent(QMouseEvent*) () from
/lib64/libQt5Widgets.so.5
#26 0x00007f88f7903428 in QWidget::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#27 0x00007f88f7a46173 in QMenu::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#28 0x00007f88f78c041c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#29 0x00007f88f78c5fe9 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#30 0x00007f88f650077b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#31 0x00007f88f7a44f19 in QMenuPrivate::mouseEventTaken(QMouseEvent*) () from
/lib64/libQt5Widgets.so.5
#32 0x00007f88f7a455b6 in QMenu::mouseReleaseEvent(QMouseEvent*) () from
/lib64/libQt5Widgets.so.5
#33 0x00007f88f7903428 in QWidget::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#34 0x00007f88f7a46173 in QMenu::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#35 0x00007f88f78c041c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#36 0x00007f88f78c5fe9 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#37 0x00007f88f650077b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#38 0x00007f88f78c4ef2 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from
/lib64/libQt5Widgets.so.5
#39 0x00007f88f791dced in QWidgetWindow::handleMouseEvent(QMouseEvent*) () from
/lib64/libQt5Widgets.so.5
#40 0x00007f88f791ff4b in QWidgetWindow::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#41 0x00007f88f78c041c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#42 0x00007f88f78c58e6 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#43 0x00007f88f650077b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#44 0x00007f88f7113ee1 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /lib64/libQt5Gui.so.5
#45 0x00007f88f7115bb5 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /lib64/libQt5Gui.so.5
#46 0x00007f88f70f9958 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib64/libQt5Gui.so.5
#47 0x00007f88dff460a0 in userEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /lib64/libQt5XcbQpa.so.5
#48 0x00007f88f1e1de3a in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#49 0x00007f88f1e1e1d0 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#50 0x00007f88f1e1e27c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#51 0x00007f88f6556eef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#52 0x00007f88f64fdf0a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#53 0x00007f88f6505fec in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#54 0x00007f88fc67f465 in kdemain () from /lib64/libkdeinit5_kwrite.so
#55 0x00007f88f562c580 in __libc_start_main () from /lib64/libc.so.6
#56 0x0000563b46428b19 in _start ()

I'm not using Compiz, but I found that KDE Desktop Effects settings act on this
bug: if in KDE settings I set Rendering Engine to XRender the bug disappear,
while setting to OpenGL 2.0 or OpenGL 3.1 causes kwrite to crash as soon as you
click on "Save as" button.

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