Bug 419615

Application: kwin_x11 (5.18.80)

Qt Version: 5.14.1
Frameworks Version: 5.69.0
Operating System: Linux 5.5.13-1-default x86_64
Windowing system: X11
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:

I simply started a Plasma session. KWin crashed right away. I had to launch Openbox from Krunner to have a Window Manager running

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault

[KCrash Handler]
#6  0x00007f139086e780 in KWin::Cursor::x11Cursor(KWin::CursorShape) (this=0x0, shape=...) at /usr/src/debug/kwin5-5.18.70git.20200403T023425~9f183642c-ku.45.1.x86_64/cursor.cpp:204
#7  0x00007f1390760e07 in KWin::X11Client::embedClient(unsigned int, unsigned int, unsigned int, unsigned char) (this=0x5637f60b5fb0, w=<optimized out>, visualid=100, colormap=132120590, depth=<optimized out>) at /usr/src/debug/kwin5-5.18.70git.20200403T023425~9f183642c-ku.45.1.x86_64/cursor.h:269
#8  0x00007f13907681e4 in KWin::X11Client::manage(unsigned int, bool) (this=0x5637f60b5fb0, w=132120591, isMapped=<optimized out>) at /usr/src/debug/kwin5-5.18.70git.20200403T023425~9f183642c-ku.45.1.x86_64/xcbutils.h:330
#9  0x00007f1390778ac5 in KWin::Workspace::createClient(unsigned int, bool) (this=this@entry=0x5637f5eff240, w=132120591, is_mapped=is_mapped@entry=true) at /usr/src/debug/kwin5-5.18.70git.20200403T023425~9f183642c-ku.45.1.x86_64/workspace.cpp:528
#10 0x00007f139077a3cb in KWin::Workspace::initWithX11() (this=<optimized out>) at /usr/src/debug/kwin5-5.18.70git.20200403T023425~9f183642c-ku.45.1.x86_64/workspace.cpp:402
#11 0x00007f139077b5e4 in KWin::Workspace::init() (this=this@entry=0x5637f5eff240) at /usr/src/debug/kwin5-5.18.70git.20200403T023425~9f183642c-ku.45.1.x86_64/workspace.cpp:286
#12 0x00007f139077cb5e in KWin::Workspace::Workspace(QString const&) (this=<optimized out>, sessionKey=..., this=<optimized out>, sessionKey=...) at /usr/src/debug/kwin5-5.18.70git.20200403T023425~9f183642c-ku.45.1.x86_64/workspace.cpp:196
#13 0x00007f13908032a4 in KWin::Application::createWorkspace() (this=0x7fff0e7d28a0) at /usr/src/debug/kwin5-5.18.70git.20200403T023425~9f183642c-ku.45.1.x86_64/main.cpp:279
#14 0x00005637f5352e05 in KWin::ApplicationX11::<lambda()>::<lambda()>::operator() (__closure=<optimized out>) at /usr/src/debug/kwin5-5.18.70git.20200403T023425~9f183642c-ku.45.1.x86_64/main_x11.cpp:252
#17 0x00005637f5352e05 in QtPrivate::QFunctorSlotObject<KWin::ApplicationX11::performStartup()::<lambda()>::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=<optimized out>, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:439
#18 0x00007f138f4039fe in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7fff0e7d2400, r=0x7fff0e7d28a0, this=0x5637f5eefd70) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#19 0x00007f138f4039fe in doActivate<false>(QObject*, int, void**) (sender=0x5637f5e4a560, signal_index=3, argv=0x7fff0e7d2400) at kernel/qobject.cpp:3870
#20 0x00005637f5352b6f in KWin::ApplicationX11::<lambda()>::operator() (__closure=<optimized out>) at /usr/src/debug/kwin5-5.18.70git.20200403T023425~9f183642c-ku.45.1.x86_64/main.h:186
#23 0x00005637f5352b6f in QtPrivate::QFunctorSlotObject<KWin::ApplicationX11::performStartup()::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x5637f5e48b60, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:439
#24 0x00007f138f4039fe in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7fff0e7d2560, r=0x5637f5e4d250, this=0x5637f5e48b60) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#25 0x00007f138f4039fe in doActivate<false>(QObject*, int, void**) (sender=0x5637f5e4d250, signal_index=4, argv=0x7fff0e7d2560) at kernel/qobject.cpp:3870
#26 0x00007f13904330d3 in  () at /usr/lib64/libKF5WindowSystem.so.5
#27 0x00007f1390437049 in KSelectionOwner::filterEvent(void*) () at /usr/lib64/libKF5WindowSystem.so.5
#28 0x00007f138f3cc5d7 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) (this=<optimized out>, eventType=..., message=message@entry=0x7f13840033e0, result=result@entry=0x7fff0e7d2678) at kernel/qabstracteventdispatcher.cpp:488
#29 0x00007f13897ec791 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) (this=this@entry=0x5637f5a591e0, event=event@entry=0x7f13840033e0) at qxcbnativeinterface.h:101
#30 0x00007f13897ed4e6 in QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x5637f5a591e0, flags=...) at qxcbconnection.cpp:1029
#31 0x00007f1389815dfc in QXcbUnixEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x5637f5ad9650, flags=...) at qxcbeventdispatcher.cpp:61
#32 0x00007f138f3cdb9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fff0e7d27c0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#33 0x00007f138f3d5972 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#34 0x00005637f5351f74 in main(int, char**) (argc=<optimized out>, argv=0x7fff0e7d2a58) at /usr/src/debug/kwin5-5.18.70git.20200403T023425~9f183642c-ku.45.1.x86_64/main_x11.cpp:482
[Inferior 1 (process 4900) detached]

Possible duplicates by query: bug 418214, bug 345339.

Reported using DrKonqi