SUMMARY Systemsettings crash when changing stuff in the task manager module STEPS TO REPRODUCE 1. open systemsettings 2. go to Window management>Task Switcher 3. change something, hit apply OBSERVED RESULT crash (changes are applied) EXPECTED RESULT applying changes and not crashing SOFTWARE/OS VERSIONS Operating System: openSUSE Tumbleweed 20210620 KDE Plasma Version: 5.22.1 KDE Frameworks Version: 5.83.0 Qt Version: 5.15.2 Kernel Version: 5.12.10-1-default (64-bit) Graphics Platform: Wayland Processors: 4 × Intel® Core™ i5-7300U CPU @ 2.60GHz Memory: 15.5 GiB of RAM Graphics Processor: Mesa DRI Intel® HD Graphics 620
backtrace #0 __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:49 #1 0x00007f4872f13d99 in KCrash::defaultCrashHandler (sig=11) at /usr/src/debug/kcrash-5.83.0-1.1.x86_64/src/kcrash.cpp:618 #2 <signal handler called> #3 0x00007f486f241460 in QWaylandClientExtensionPrivate::handleRegistryGlobal (data=0x5615f00ddf40, registry=0x5615dfe8c410, id=44, interface=..., version=1) at global/qwaylandclientextension.cpp:67 #4 0x00007f486f2268e1 in QtWaylandClient::QWaylandDisplay::registry_global (this=<optimized out>, id=44, interface=..., version=1) at qwaylanddisplay.cpp:397 #5 0x00007f486f24b84e in QtWayland::wl_registry::handle_global (data=0x5615dfe88470, object=<optimized out>, name=44, interface=0x5615e08c4f40 "org_kde_kwin_blur_manager", version=1) at qwayland-wayland.cpp:94 #6 0x00007f486e7d34e5 in ffi_call_unix64 () at ../src/x86/unix64.S:106 #7 0x00007f486e7cf506 in ffi_call_int (cif=<optimized out>, fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>, closure=<optimized out>) at ../src/x86/ffi64.c:669 #8 0x00007f486f19b920 in wl_closure_invoke (closure=closure@entry=0x5615e08c4e60, target=<optimized out>, target@entry=0x5615dfe8c410, opcode=opcode@entry=0, data=<optimized out>, flags=<optimized out>) at src/connection.c:1018 #9 0x00007f486f19bffb in dispatch_event (display=display@entry=0x5615dfe8c2c0, queue=<optimized out>, queue=<optimized out>) at src/wayland-client.c:1452 #10 0x00007f486f19c1cc in dispatch_queue (queue=0x5615dfe8c390, display=0x5615dfe8c2c0) at src/wayland-client.c:1598 #11 wl_display_dispatch_queue_pending (display=0x5615dfe8c2c0, queue=0x5615dfe8c390) at src/wayland-client.c:1840 #12 0x00007f486f225e73 in QtWaylandClient::QWaylandDisplay::flushRequests (this=0x5615dfe88460) at qwaylanddisplay.cpp:222 #13 0x00007f4871a5b128 in doActivate<false> (sender=0x5615dff0d060, signal_index=3, argv=0x7fff43132740) at kernel/qobject.cpp:3898 #14 0x00007f4871a545bf in QMetaObject::activate (sender=sender@entry=0x5615dff0d060, m=m@entry=0x7f4871d07aa0 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff43132740) at kernel/qobject.cpp:3946 #15 0x00007f4871a5e4bf in QSocketNotifier::activated (this=this@entry=0x5615dff0d060, _t1=..., _t2=<optimized out>, _t3=...) at .moc/moc_qsocketnotifier.cpp:178 #16 0x00007f4871a5ecbb in QSocketNotifier::event (this=0x5615dff0d060, e=0x7fff43132860) at kernel/qsocketnotifier.cpp:302 #17 0x00007f48726d5a5f in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5615dff0d060, e=0x7fff43132860) at kernel/qapplication.cpp:3632 #18 0x00007f4871a24aaa in QCoreApplication::notifyInternal2 (receiver=0x5615dff0d060, event=0x7fff43132860) at kernel/qcoreapplication.cpp:1063 #19 0x00007f4871a7ccad in socketNotifierSourceDispatch (source=source@entry=0x5615dfec8d80) at kernel/qeventdispatcher_glib.cpp:107 #20 0x00007f486f59380f in g_main_dispatch (context=0x5615dfee8990) at ../glib/gmain.c:3337 #21 g_main_context_dispatch (context=0x5615dfee8990) at ../glib/gmain.c:4055 #22 0x00007f486f593b98 in g_main_context_iterate (context=context@entry=0x5615dfee8990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4131 #23 0x00007f486f593c4f in g_main_context_iteration (context=0x5615dfee8990, may_block=1) at ../glib/gmain.c:4196 #24 0x00007f4871a7c0f4 in QEventDispatcherGlib::processEvents (this=0x5615dff0cd30, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #25 0x00007f4871a234bb in QEventLoop::exec (this=this@entry=0x7fff43132a70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #26 0x00007f4871a2b790 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #27 0x00007f4871f771fc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1867 #28 0x00007f48726d59d5 in QApplication::exec () at kernel/qapplication.cpp:2824 #29 0x00005615de5360cb in main (argc=<optimized out>, argv=0x7fff43132b90) at /usr/src/debug/systemsettings5-5.22.1-1.1.x86_64/app/main.cpp:208
*** This bug has been marked as a duplicate of bug 437455 ***