https://bugs.kde.org/show_bug.cgi?id=356107
Bug ID: 356107
Summary: Taskbar disappear when switched to fullscreen in a VNC
session
Product: kwin
Version: 5.4.3
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: jbar...@gmail.com
Application: kwin_x11 (5.4.3)
Qt Version: 5.5.1
Operating System: Linux 4.1.13-1-MANJARO x86_64
Distribution: "Manjaro Linux"
-- Information about the crash:
- What I was doing when the application crashed:
Just connected to my remote machine using vncviewer
- Unusual behavior I noticed:
Plasma desktop crashes and no taskbar nor background image
- Custom settings of the application:
Just a startkde & in ~/.vnc/xstartup
The crash can be reproduced every time.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3e179cd840 (LWP 1436))]
Thread 5 (Thread 0x7f3df698f700 (LWP 1461)):
#0 0x00007f3e171efe23 in select () from /usr/lib/libc.so.6
#1 0x00007f3e151bda2f in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () from /usr/lib/libQt5Core.so.5
#2 0x00007f3e151bf507 in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () from /usr/lib/libQt5Core.so.5
#3 0x00007f3e151bfa0e in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007f3e1516937a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007f3e14f859c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007f3e0f439c85 in ?? () from /usr/lib/libQt5Qml.so.5
#7 0x00007f3e14f8a96e in ?? () from /usr/lib/libQt5Core.so.5
#8 0x00007f3e174b94a4 in start_thread () from /usr/lib/libpthread.so.0
#9 0x00007f3e171f713d in clone () from /usr/lib/libc.so.6
Thread 4 (Thread 0x7f3df515d700 (LWP 1473)):
#0 0x00007f3e174bf07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f3e13edf5e4 in ?? () from /usr/lib/libQt5Script.so.5
#2 0x00007f3e13edf629 in ?? () from /usr/lib/libQt5Script.so.5
#3 0x00007f3e174b94a4 in start_thread () from /usr/lib/libpthread.so.0
#4 0x00007f3e171f713d in clone () from /usr/lib/libc.so.6
Thread 3 (Thread 0x7f3df75ef700 (LWP 1859)):
#0 0x00007f3e174bf07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f3d64680b33 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so
#2 0x00007f3d64680997 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so
#3 0x00007f3e174b94a4 in start_thread () from /usr/lib/libpthread.so.0
#4 0x00007f3e171f713d in clone () from /usr/lib/libc.so.6
Thread 2 (Thread 0x7f3df596e700 (LWP 1860)):
#0 0x00007f3e174bf07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f3d64680b33 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so
#2 0x00007f3d64680997 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so
#3 0x00007f3e174b94a4 in start_thread () from /usr/lib/libpthread.so.0
#4 0x00007f3e171f713d in clone () from /usr/lib/libc.so.6
Thread 1 (Thread 0x7f3e179cd840 (LWP 1436)):
[KCrash Handler]
#5 0x00007f3e156f02c0 in QScreen::handle() const () from
/usr/lib/libQt5Gui.so.5
#6 0x00007f3dfea69929 in QXcbIntegration::createPlatformWindow(QWindow*) const
() from /usr/lib/libQt5XcbQpa.so.5
#7 0x00007f3e156d2234 in QWindowPrivate::create(bool) () from
/usr/lib/libQt5Gui.so.5
#8 0x00007f3e156d2970 in QWindow::setVisible(bool) () from
/usr/lib/libQt5Gui.so.5
#9 0x00007f3e0fcaca2b in QQuickWindowQmlImpl::qt_metacall(QMetaObject::Call,
int, void**) () from /usr/lib/libQt5Quick.so.5
#10 0x00007f3e0f3b5c50 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData
const&, QVariant const&, QQmlContextData*,
QFlags<QQmlPropertyPrivate::WriteFlag>) () from /usr/lib/libQt5Qml.so.5
#11 0x00007f3e0f3b776b in QQmlPropertyPrivate::writeValueProperty(QObject*,
QQmlPropertyData const&, QVariant const&, QQmlContextData*,
QFlags<QQmlPropertyPrivate::WriteFlag>) () from /usr/lib/libQt5Qml.so.5
#12 0x00007f3e0f3b81bc in QQmlPropertyPrivate::writeBinding(QObject*,
QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*,
QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () from
/usr/lib/libQt5Qml.so.5
#13 0x00007f3e0f4260ef in
QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () from
/usr/lib/libQt5Qml.so.5
#14 0x00007f3e0f42651e in
QQmlBinding::expressionChanged(QQmlJavaScriptExpression*) () from
/usr/lib/libQt5Qml.so.5
#15 0x00007f3e0f40245e in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () from /usr/lib/libQt5Qml.so.5
#16 0x00007f3e0f3a4eec in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () from /usr/lib/libQt5Qml.so.5
#17 0x00007f3e15199a30 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#18 0x00007f3e16d29a9e in ?? () from /usr/lib/libkwin.so.5
#19 0x00007f3e16d6feca in ?? () from /usr/lib/libkwin.so.5
#20 0x00007f3e16d2bf33 in ?? () from /usr/lib/libkwin.so.5
#21 0x00007f3e16d2d606 in ?? () from /usr/lib/libkwin.so.5
#22 0x00007f3e16d2ea27 in ?? () from /usr/lib/libkwin.so.5
#23 0x00007f3e16d3022c in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
() from /usr/lib/libkwin.so.5
#24 0x00007f3e1516850f in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
from /usr/lib/libQt5Core.so.5
#25 0x00007f3dfea658d4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() from /usr/lib/libQt5XcbQpa.so.5
#26 0x00007f3dfea66683 in QXcbConnection::processXcbEvents() () from
/usr/lib/libQt5XcbQpa.so.5
#27 0x00007f3e1519aff1 in QObject::event(QEvent*) () from
/usr/lib/libQt5Core.so.5
#28 0x00007f3e15ea201c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#29 0x00007f3e15ea74f6 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#30 0x00007f3e1516b9ab in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#31 0x00007f3e1516dda6 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#32 0x00007f3e151bf8d2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#33 0x00007f3dfeac8ced in ?? () from /usr/lib/libQt5XcbQpa.so.5
#34 0x00007f3e1516937a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#35 0x00007f3e1517133c in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#36 0x00007f3e176d473b in kdemain () from /usr/lib/libkdeinit5_kwin_x11.so
#37 0x00007f3e1712e610 in __libc_start_main () from /usr/lib/libc.so.6
#38 0x00000000004007c9 in _start ()
Possible duplicates by query: bug 355882, bug 355118, bug 354387, bug 353122,
bug 352712.
Reported using DrKonqi
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