https://bugs.kde.org/show_bug.cgi?id=422275
--- Comment #3 from Leszek Lesner <leszek.les...@web.de> ---
Still experiencing this issue occasionally on KWin master.
Here is the Backtrace:
--- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = 0x0}
[KCrash Handler]
#5 0x00007fd190c814ad in KWin::EffectWindow::isOnAllDesktops() const
(this=0x0) at /home/leszek/kde/src/kwin/src/libkwineffects/kwineffects.cpp:815
#6 0x0000562403cea32f in
KWin::DesktopGridEffect::desktopList(KWin::EffectWindow const*) const
(this=0x562405d909c0, w=0x0) at
/home/leszek/kde/src/kwin/src/effects/desktopgrid/desktopgrid.cpp:1449
#7 0x0000562403ce2c84 in
KWin::DesktopGridEffect::slotWindowClosed(KWin::EffectWindow*)
(this=0x562405d909c0, w=0x7fd184020ea0) at
/home/leszek/kde/src/kwin/src/effects/desktopgrid/desktopgrid.cpp:448
#8 0x0000562403cf7914 in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>,
QtPrivate::List<KWin::EffectWindow*>, void, void
(KWin::DesktopGridEffect::*)(KWin::EffectWindow*)>::call(void
(KWin::DesktopGridEffect::*)(KWin::EffectWindow*), KWin::DesktopGridEffect*,
void**) (f=(void (KWin::DesktopGridEffect::*)(class KWin::DesktopGridEffect *
const, class KWin::EffectWindow *)) 0x562403ce2b9c
<KWin::DesktopGridEffect::slotWindowClosed(KWin::EffectWindow*)>,
o=0x562405d909c0, arg=0x7ffdaa5360a0) at
/home/leszek/kde/qt5/include/QtCore/qobjectdefs_impl.h:152
#9 0x0000562403cf6622 in QtPrivate::FunctionPointer<void
(KWin::DesktopGridEffect::*)(KWin::EffectWindow*)>::call<QtPrivate::List<KWin::EffectWindow*>,
void>(void (KWin::DesktopGridEffect::*)(KWin::EffectWindow*),
KWin::DesktopGridEffect*, void**) (f=(void (KWin::DesktopGridEffect::*)(class
KWin::DesktopGridEffect * const, class KWin::EffectWindow *)) 0x562403ce2b9c
<KWin::DesktopGridEffect::slotWindowClosed(KWin::EffectWindow*)>,
o=0x562405d909c0, arg=0x7ffdaa5360a0) at
/home/leszek/kde/qt5/include/QtCore/qobjectdefs_impl.h:185
#10 0x0000562403cf468b in QtPrivate::QSlotObject<void
(KWin::DesktopGridEffect::*)(KWin::EffectWindow*),
QtPrivate::List<KWin::EffectWindow*>, void>::impl(int,
QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=1,
this_=0x562405db8f30, r=0x562405d909c0, a=0x7ffdaa5360a0, ret=0x0) at
/home/leszek/kde/qt5/include/QtCore/qobjectdefs_impl.h:418
#11 0x00007fd18f5de853 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffdaa5360a0, r=0x562405d909c0, this=0x562405db8f30) at
../../include/QtCore/../../../../../src/Qt5/qtbase/src/corelib/kernel/qobjectdefs_impl.h:398
#12 doActivate<false>(QObject*, int, void**) (sender=0x5624053f0b60,
signal_index=12, argv=0x7ffdaa5360a0) at
/home/leszek/kde/src/Qt5/qtbase/src/corelib/kernel/qobject.cpp:3886
#13 0x00007fd190c666cb in
KWin::EffectsHandler::windowClosed(KWin::EffectWindow*) (this=0x5624053f0b60,
_t1=0x7fd184020ea0) at
/home/leszek/kde/build/kwin/src/libkwineffects/kwineffects_autogen/EWIEGA46WW/moc_kwineffects.cpp:1631
#14 0x00007fd19138642f in
KWin::EffectsHandlerImpl::slotWindowClosed(KWin::Toplevel*, KWin::Deleted*)
(this=0x5624053f0b60, c=0x56240639f3b0, d=0x5624063557e0) at
/home/leszek/kde/src/kwin/src/effects.cpp:560
#15 0x00007fd19139d7ce in QtPrivate::FunctorCall<QtPrivate::IndexesList<0, 1>,
QtPrivate::List<KWin::Toplevel*, KWin::Deleted*>, void, void
(KWin::EffectsHandlerImpl::*)(KWin::Toplevel*, KWin::Deleted*)>::call(void
(KWin::EffectsHandlerImpl::*)(KWin::Toplevel*, KWin::Deleted*),
KWin::EffectsHandlerImpl*, void**) (f=(void (KWin::EffectsHandlerImpl::*)(class
KWin::EffectsHandlerImpl * const, class KWin::Toplevel *, class KWin::Deleted
*)) 0x7fd1913863e0 <KWin::EffectsHandlerImpl::slotWindowClosed(KWin::Toplevel*,
KWin::Deleted*)>, o=0x5624053f0b60, arg=0x7ffdaa5362b0) at
/home/leszek/kde/qt5/include/QtCore/qobjectdefs_impl.h:152
#16 0x00007fd19139c830 in QtPrivate::FunctionPointer<void
(KWin::EffectsHandlerImpl::*)(KWin::Toplevel*,
KWin::Deleted*)>::call<QtPrivate::List<KWin::Toplevel*, KWin::Deleted*>,
void>(void (KWin::EffectsHandlerImpl::*)(KWin::Toplevel*, KWin::Deleted*),
KWin::EffectsHandlerImpl*, void**) (f=(void (KWin::EffectsHandlerImpl::*)(class
KWin::EffectsHandlerImpl * const, class KWin::Toplevel *, class KWin::Deleted
*)) 0x7fd1913863e0 <KWin::EffectsHandlerImpl::slotWindowClosed(KWin::Toplevel*,
KWin::Deleted*)>, o=0x5624053f0b60, arg=0x7ffdaa5362b0) at
/home/leszek/kde/qt5/include/QtCore/qobjectdefs_impl.h:185
#17 0x00007fd19139ab51 in QtPrivate::QSlotObject<void
(KWin::EffectsHandlerImpl::*)(KWin::Toplevel*, KWin::Deleted*),
QtPrivate::List<KWin::Toplevel*, KWin::Deleted*>, void>::impl(int,
QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=1,
this_=0x562406039f30, r=0x5624053f0b60, a=0x7ffdaa5362b0, ret=0x0) at
/home/leszek/kde/qt5/include/QtCore/qobjectdefs_impl.h:418
#18 0x00007fd18f5de853 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffdaa5362b0, r=0x5624053f0b60, this=0x562406039f30) at
../../include/QtCore/../../../../../src/Qt5/qtbase/src/corelib/kernel/qobjectdefs_impl.h:398
#19 doActivate<false>(QObject*, int, void**) (sender=0x56240639f3b0,
signal_index=10, argv=0x7ffdaa5362b0) at
/home/leszek/kde/src/Qt5/qtbase/src/corelib/kernel/qobject.cpp:3886
#20 0x00007fd1912e001f in KWin::Toplevel::windowClosed(KWin::Toplevel*,
KWin::Deleted*) (this=0x56240639f3b0, _t1=0x56240639f3b0, _t2=0x5624063557e0)
at /home/leszek/kde/build/kwin/src/kwin_autogen/EWIEGA46WW/moc_toplevel.cpp:809
#21 0x00007fd191526055 in KWin::X11Client::releaseWindow(bool)
(this=0x56240639f3b0, on_shutdown=false) at
/home/leszek/kde/src/kwin/src/x11client.cpp:269
#22 0x00007fd1913a1a78 in
KWin::X11Client::unmapNotifyEvent(xcb_unmap_notify_event_t*)
(this=0x56240639f3b0, e=0x7fd18402b710) at
/home/leszek/kde/src/kwin/src/events.cpp:549
#23 0x00007fd1913a1314 in KWin::X11Client::windowEvent(xcb_generic_event_t*)
(this=0x56240639f3b0, e=0x7fd18402b710) at
/home/leszek/kde/src/kwin/src/events.cpp:393
#24 0x00007fd1913a056a in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
(this=0x5624052d4cf0, e=0x7fd18402b710) at
/home/leszek/kde/src/kwin/src/events.cpp:166
#25 0x00007fd19140a192 in
KWin::Application::dispatchEvent(xcb_generic_event_t*) (this=0x7ffdaa5369f0,
event=0x7fd18402b710) at /home/leszek/kde/src/kwin/src/main.cpp:493
#26 0x00007fd19140a32e in KWin::XcbEventFilter::nativeEventFilter(QByteArray
const&, void*, long*) (this=0x5624052c5ab0, eventType=...,
message=0x7fd18402b710, result=0x7ffdaa536818) at
/home/leszek/kde/src/kwin/src/main.cpp:577
#27 0x00007fd18f5a7b17 in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*)
(this=<optimized out>, eventType=..., message=message@entry=0x7fd18402b710,
result=result@entry=0x7ffdaa536818) at
/home/leszek/kde/src/Qt5/qtbase/src/corelib/kernel/qabstracteventdispatcher.cpp:495
#28 0x00007fd1890640c1 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
(this=this@entry=0x562404f3d860, event=event@entry=0x7fd18402b710) at
/home/leszek/kde/src/Qt5/qtbase/src/plugins/platforms/xcb/qxcbconnection.cpp:536
#29 0x00007fd189065546 in
QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x562404f3d860, flags=...) at
/home/leszek/kde/src/Qt5/qtbase/src/plugins/platforms/xcb/qxcbconnection.cpp:1014
#30 0x00007fd18908672c in
QXcbUnixEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x562405007a10, flags=...) at
/home/leszek/kde/src/Qt5/qtbase/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:61
#31 0x00007fd18f5a8ebb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffdaa536930, flags=..., flags@entry=...) at
../../include/QtCore/../../../../../src/Qt5/qtbase/src/corelib/global/qflags.h:69
#32 0x00007fd18f5b0aec in QCoreApplication::exec() () at
../../include/QtCore/../../../../../src/Qt5/qtbase/src/corelib/global/qflags.h:121
#33 0x0000562403cd8701 in main(int, char**) (argc=3, argv=0x7ffdaa536ca8) at
/home/leszek/kde/src/kwin/src/main_x11.cpp:482
[Inferior 1 (process 198635) detached]
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