https://bugs.kde.org/show_bug.cgi?id=441536

Nate Graham <n...@kde.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Trying to start a wayland   |Trying to start a wayland
                   |session from SDDM crashes   |session from SDDM crashes
                   |KDE on start. The desktop   |Plasma on start
                   |background is black and no  |
                   |widgets or panels are       |
                   |present. After a while the  |
                   |crash report dialogue pops  |
                   |up. I can still use Konsole |
                   |with Ctrl+shift+T but no    |
                   |plasma.                     |
                 CC|                            |n...@kde.org
           Severity|normal                      |crash

--- Comment #2 from Nate Graham <n...@kde.org> ---
Pasting inline":



Application: Plasma (plasmashell), signal: Segmentation fault
Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7fb0fe58b980
(LWP 2157))]
[KCrash Handler]
#6  0x00007fb1031ec05b in xcb_send_request_with_fds64 (c=0x0,
flags=flags@entry=1, vector=vector@entry=0x7ffc54173300,
req=req@entry=0x7fb1031f84a0 <xcb_req>, num_fds=num_fds@entry=0,
fds=fds@entry=0x0) at /usr/src/debug/libxcb-1.14-1.6.x86_64/src/xcb_out.c:229
#7  0x00007fb1031ec81b in xcb_send_request64 (c=<optimized out>,
flags=flags@entry=1, vector=vector@entry=0x7ffc54173300,
req=req@entry=0x7fb1031f84a0 <xcb_req>) at
/usr/src/debug/libxcb-1.14-1.6.x86_64/src/xcb_out.c:349
#8  0x00007fb1031ec829 in xcb_send_request (c=<optimized out>,
flags=flags@entry=1, vector=vector@entry=0x7ffc54173300,
req=req@entry=0x7fb1031f84a0 <xcb_req>) at
/usr/src/debug/libxcb-1.14-1.6.x86_64/src/xcb_out.c:355
#9  0x00007fb1031edde4 in xcb_intern_atom (c=<optimized out>,
only_if_exists=<optimized out>, name_len=<optimized out>, name=<optimized out>)
at /usr/src/debug/libxcb-1.14-1.6.x86_64/src/xproto.c:3224
#10 0x00007fb1023d34d0 in Atoms::init() (this=this@entry=0x564286566840) at
/usr/src/debug/kwindowsystem-5.85.0-1.1.x86_64/src/platforms/xcb/netwm.cpp:281
#11 0x00007fb1023d36b1 in Atoms::Atoms(xcb_connection_t*) (c=0x0,
this=0x564286566840) at
/usr/src/debug/kwindowsystem-5.85.0-1.1.x86_64/src/platforms/xcb/netwm.cpp:64
#12 atomsForConnection(xcb_connection_t*) (c=c@entry=0x0) at
/usr/src/debug/kwindowsystem-5.85.0-1.1.x86_64/src/platforms/xcb/netwm.cpp:50
#13 0x00007fb1023da371 in NETRootInfo::NETRootInfo(xcb_connection_t*,
QFlags<NET::Property>, QFlags<NET::Property2>, int, bool) (this=0x564286564dc0,
connection=0x0, properties=..., properties2=..., screen=-1,
doActivate=<optimized out>, this=<optimized out>, connection=<optimized out>,
properties=..., properties2=..., screen=<optimized out>, doActivate=<optimized
out>) at
/usr/src/debug/kwindowsystem-5.85.0-1.1.x86_64/src/platforms/xcb/netwm.cpp:496
#14 0x00007fb0bff69ae5 in VirtualDesktopBar::VirtualDesktopBar(QObject*) () at
/usr/lib64/qt5/qml/org/kde/plasma/virtualdesktopbar/libvirtualdesktopbar.so
#15 0x00007fb0bff7141b in void
QQmlPrivate::createInto<VirtualDesktopBar>(void*) () at
/usr/lib64/qt5/qml/org/kde/plasma/virtualdesktopbar/libvirtualdesktopbar.so
#16 0x00007fb1026d479a in QQmlType::create(QObject**, void**, unsigned long)
const (this=this@entry=0x7ffc54173a18, out=out@entry=0x7ffc54173a10,
memory=memory@entry=0x7ffc54173a20,
additionalMemory=additionalMemory@entry=144) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde29-1.3.x86_64/src/qml/qml/qqmltype.cpp:499
#17 0x00007fb10272552b in QQmlObjectCreator::createInstance(int, QObject*,
bool) (this=0x56428653d150, index=5, parent=0x564286538d90,
isContextObject=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde29-1.3.x86_64/src/qml/qml/qqmlobjectcreator.cpp:1189
#18 0x00007fb102727a92 in
QQmlObjectCreator::setPropertyBinding(QQmlPropertyData const*,
QV4::CompiledData::Binding const*) (this=0x56428653d150,
bindingProperty=0x7fb0dc0a0eb8, binding=0x7fb0bff7a9f4) at
/usr/include/qt5/QtCore/qendian.h:290
#19 0x00007fb10272801f in QQmlObjectCreator::setupBindings(bool)
(this=0x56428653d150, applyDeferredBindings=false) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde29-1.3.x86_64/src/qml/qml/qqmlobjectcreator.cpp:798
#20 0x00007fb102724013 in QQmlObjectCreator::populateInstance(int, QObject*,
QObject*, QQmlPropertyData const*) (this=this@entry=0x56428653d150, index=-1,
index@entry=0, instance=0x0, bindingTarget=0x0,
valueTypeProperty=valueTypeProperty@entry=0x0) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde29-1.3.x86_64/src/qml/qml/qqmlobjectcreator.cpp:1555
#21 0x00007fb102725004 in QQmlObjectCreator::createInstance(int, QObject*,
bool) (this=<optimized out>, index=<optimized out>, parent=<optimized out>,
isContextObject=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde29-1.3.x86_64/src/qml/qml/qqmlobjectcreator.cpp:1348
#22 0x00007fb102725c4f in QQmlObjectCreator::create(int, QObject*,
QQmlInstantiationInterrupt*, int) (this=0x56428653d150,
subComponentIndex=<optimized out>, parent=parent@entry=0x0,
interrupt=interrupt@entry=0x7ffc541742d0, flags=flags@entry=1) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde29-1.3.x86_64/src/qml/qml/qqmlobjectcreator.cpp:204
#23 0x00007fb1026b77c1 in
QQmlIncubatorPrivate::incubate(QQmlInstantiationInterrupt&)
(this=0x564285985860, i=...) at /usr/include/qt5/QtCore/qscopedpointer.h:116
#24 0x00007fb1026b80bd in QQmlEnginePrivate::incubate(QQmlIncubator&,
QQmlContextData*) (this=0x564285735030, i=<optimized out>,
forContext=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde29-1.3.x86_64/src/qml/qml/qqmlincubator.cpp:89
#25 0x00007fb1026b19fb in QQmlComponent::create(QQmlIncubator&, QQmlContext*,
QQmlContext*) (this=<optimized out>, incubator=..., context=<optimized out>,
forContext=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde29-1.3.x86_64/src/qml/qml/qqmlcomponent.cpp:1178
#26 0x00007fb1030c18da in
KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant>
const&) (initialProperties=<optimized out>, this=0x56428598c750) at
/usr/src/debug/kdeclarative-5.85.0-1.1.x86_64/src/kdeclarative/qmlobject.cpp:307
#27 KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant>
const&) (this=0x56428598c750, initialProperties=<optimized out>) at
/usr/src/debug/kdeclarative-5.85.0-1.1.x86_64/src/kdeclarative/qmlobject.cpp:289
#28 0x00007fb1033949eb in PlasmaQuick::AppletQuickItem::init()
(this=this@entry=0x56428598c8a0) at
/usr/src/debug/plasma-framework-5.85.0-2.1.x86_64/src/plasmaquick/appletquickitem.cpp:649
#29 0x00007fb0f114d802 in AppletInterface::init() (this=0x56428598c8a0) at
/usr/src/debug/plasma-framework-5.85.0-2.1.x86_64/src/scriptengines/qml/plasmoid/appletinterface.cpp:141
#30 0x00007fb103391e91 in
PlasmaQuick::AppletQuickItem::itemChange(QQuickItem::ItemChange,
QQuickItem::ItemChangeData const&) (this=0x56428598c8a0,
change=QQuickItem::ItemSceneChange, value=...) at
/usr/src/debug/plasma-framework-5.85.0-2.1.x86_64/src/plasmaquick/appletquickitem.cpp:927
#31 0x00007fb102bd13ab in QQuickItemPrivate::refWindow(QQuickWindow*)
(this=0x56428598c950, c=0x564285b4b870) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde29-1.3.x86_64/src/quick/items/qquickitem.cpp:3003
#32 0x00007fb102bd1369 in QQuickItemPrivate::refWindow(QQuickWindow*)
(this=0x5642858d4160, c=0x564285b4b870) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde29-1.3.x86_64/src/quick/items/qquickitem.cpp:2996
#33 0x00007fb102bd1770 in QQuickItem::setParentItem(QQuickItem*)
(this=this@entry=0x564285913000, parentItem=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde29-1.3.x86_64/src/quick/items/qquickitem.cpp:2716
#34 0x00007fb103399d1d in
PlasmaQuick::ContainmentViewPrivate::setContainment(Plasma::Containment*)
(this=0x56428592a3f0, cont=<optimized out>) at
/usr/src/debug/plasma-framework-5.85.0-2.1.x86_64/src/plasmaquick/containmentview.cpp:122
#35 0x000056428524ab97 in ShellCorona::createWaitingPanels() (this=<optimized
out>) at
/usr/src/debug/plasma5-workspace-5.22.4-1.4.x86_64/shell/shellcorona.cpp:1335
#36 0x00007fb1010f9fd3 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffc54174b40, r=0x564285311020, this=0x564285634060) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#37 doActivate<false>(QObject*, int, void**) (sender=0x5642853110d8,
signal_index=3, argv=0x7ffc54174b40) at kernel/qobject.cpp:3886
#38 0x00007fb1010f349f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=<optimized out>, m=m@entry=0x7fb101393be0,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc54174b40)
at kernel/qobject.cpp:3946
#39 0x00007fb1010fde8a in QTimer::timeout(QTimer::QPrivateSignal)
(this=<optimized out>, _t1=...) at .moc/moc_qtimer.cpp:205
#40 0x00007fb1010efe9f in QObject::event(QEvent*) (this=0x5642853110d8,
e=0x7ffc54174cc0) at kernel/qobject.cpp:1336
#41 0x00007fb101e55a7f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x5642853110d8, e=0x7ffc54174cc0) at
kernel/qapplication.cpp:3632
#42 0x00007fb1010c398a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x5642853110d8, event=0x7ffc54174cc0) at
kernel/qcoreapplication.cpp:1064
#43 0x00007fb10111a1fb in QTimerInfoList::activateTimers()
(this=this@entry=0x564285344270) at kernel/qtimerinfo_unix.cpp:643
#44 0x00007fb10111aaa4 in timerSourceDispatch(GSource*, GSourceFunc, gpointer)
(source=source@entry=0x564285344210) at kernel/qeventdispatcher_glib.cpp:183
#45 0x00007fb0ff3e480f in g_main_dispatch (context=0x56428535d4b0) at
../glib/gmain.c:3337
#46 g_main_context_dispatch (context=0x56428535d4b0) at ../glib/gmain.c:4055
#47 0x00007fb0ff3e4b98 in g_main_context_iterate
(context=context@entry=0x56428535d4b0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4131
#48 0x00007fb0ff3e4c4f in g_main_context_iteration (context=0x56428535d4b0,
may_block=1) at ../glib/gmain.c:4196
#49 0x00007fb10111ae64 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x564285383c00, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#50 0x00007fb1010c238b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffc54174f00, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#51 0x00007fb1010ca670 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#52 0x00007fb10150e19c in QGuiApplication::exec() () at
kernel/qguiapplication.cpp:1867
#53 0x00007fb101e559f5 in QApplication::exec() () at
kernel/qapplication.cpp:2824
#54 0x000056428522a479 in main(int, char**) (argc=<optimized out>,
argv=0x7ffc541750f0) at
/usr/src/debug/plasma5-workspace-5.22.4-1.4.x86_64/shell/main.cpp:254
[Inferior 1 (process 2157) detached]

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