graesslin added a comment.
As I just made my kwin crash just to get the backtrace I'm adding
nevertheless:
(gdb) bt
#0 0x00007f8d550626b0 in KWayland::Client::Compositor::operator
wl_compositor*() () at /workspace/build/src/client/compositor.cpp:131
#1 0x00007f8d428b377d in
KWin::QPA::NativeInterface::nativeResourceForIntegration (this=0x1e00120,
resource=...) at
/home/martin/src/kde/workspace/kwin/plugins/qpa/nativeinterface.cpp:57
#2 0x00007f8d550623a3 in KWayland::Client::Compositor::fromApplication
(parent=0x7f8c90f5e3a0) at /workspace/build/src/client/compositor.cpp:63
#3 0x00007f8c90d55ab2 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemKWaylandPlugin.so
#4 0x00007f8c90d55ce1 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemKWaylandPlugin.so
#5 0x00007f8c90d569c5 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemKWaylandPlugin.so
#6 0x00007f8d578ad40c in ?? () from
/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#7 0x00007f8d578a3347 in Plasma::Theme::Theme(QObject*) () from
/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#8 0x00007f8d5ab92936 in KWin::EffectFrameImpl::EffectFrameImpl
(this=0x2db1320, style=<optimized out>, staticSize=<optimized out>,
position=..., alignment=...)
at /home/martin/src/kde/workspace/kwin/effects.cpp:1835
#9 0x00007f8d5ab92a8b in KWin::EffectsHandlerImpl::effectFrame
(this=<optimized out>, style=KWin::EffectFrameUnstyled, staticSize=<optimized
out>, position=..., alignment=...)
at /home/martin/src/kde/workspace/kwin/effects.cpp:1449
#10 0x00007f8d58007652 in KWin::WindowGeometry::WindowGeometry
(this=0x2dafcb0) at
/home/martin/src/kde/workspace/kwin/effects/windowgeometry/windowgeometry.cpp:53
#11 0x00007f8d57fadcb6 in
KWin::BuiltInEffects::createHelper<KWin::WindowGeometry> () at
/home/martin/src/kde/workspace/kwin/effects/effect_builtins.cpp:84
#12 0x00007f8d5ab9ac80 in KWin::BuiltInEffectLoader::loadEffect
(this=this@entry=0x2b07a10, name=..., effect=effect@entry=<incomplete type>,
flags=..., flags@entry=...)
at /home/martin/src/kde/workspace/kwin/effectloader.cpp:159
#13 0x00007f8d5ab9b1bf in KWin::BuiltInEffectLoader::loadEffect
(this=0x2b07a10, effect=effect@entry=<incomplete type>, flags=flags@entry=...)
at /home/martin/src/kde/workspace/kwin/effectloader.cpp:125
#14 0x00007f8d5aba0884 in KWin::EffectLoadQueue<KWin::BuiltInEffectLoader,
KWin::BuiltInEffect>::dequeue (this=0x2b07740) at
/home/martin/src/kde/workspace/kwin/effectloader.h:258
#15 0x00007f8d58eabc59 in QObject::event (this=0x2b07740, e=<optimized
out>) at kernel/qobject.cpp:1246
#16 0x00007f8d592973fc in QApplicationPrivate::notify_helper
(this=<optimized out>, receiver=0x2b07740, e=0x2daa860) at
kernel/qapplication.cpp:3717
#17 0x00007f8d5929ee07 in QApplication::notify (this=0x7ffd08fa6ae0,
receiver=0x2b07740, e=0x2daa860) at kernel/qapplication.cpp:3476
#18 0x00007f8d58e7e798 in QCoreApplication::notifyInternal2
(receiver=0x2b07740, event=event@entry=0x2daa860) at
kernel/qcoreapplication.cpp:1018
#19 0x00007f8d58e80f7b in QCoreApplication::sendEvent (event=0x2daa860,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x1dcc710) at
kernel/qcoreapplication.cpp:1678
#21 0x00007f8d58ed07e7 in QEventDispatcherUNIX::processEvents
(this=0x1dff980, flags=...) at kernel/qeventdispatcher_unix.cpp:466
---Type <return> to continue, or q <return> to quit---
#22 0x00007f8d428ec6fd in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/KWinQpaPlugin.so
#23 0x00007f8d58e7c7ca in QEventLoop::exec (this=this@entry=0x7ffd08fa67b0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#24 0x00007f8d58e85704 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1291
#25 0x00007f8d52ce32ec in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1679
#26 0x00007f8d59297355 in QApplication::exec () at
kernel/qapplication.cpp:2905
#27 0x0000000000408c28 in main (argc=2, argv=<optimized out>) at
/home/martin/src/kde/workspace/kwin/main_wayland.cpp:836
As we can see it crashes because PlasmaFrame accesses the internal connection
before it's fully setup.
REPOSITORY
R108 KWin
BRANCH
windowgeometry-delay-effectframe
REVISION DETAIL
https://phabricator.kde.org/D8821
To: graesslin, #kwin, #plasma, broulik
Cc: davidedmundson, plasma-devel, kwin, bwowk, ZrenBot, progwolff, lesliezhai,
ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart
