Core was generated by `/usr/bin/kded5'. Program terminated with signal SIGSEGV, Segmentation fault. #0 __pthread_kill_implementation (threadid=, signo=signo@entry=11, no_tid=no_tid@entry=0) at pthread_kill.c:44 Downloading source file /usr/src/debug/glibc/glibc/nptl/pthread_kill.c 44 return INTERNAL_SYSCALL_ERROR_P (ret) ? INTERNAL_SYSCALL_ERRNO (ret) : 0; [Current thread is 1 (Thread 0x7f0f2105b840 (LWP 6605))] (gdb) bt #0 __pthread_kill_implementation (threadid=, signo=signo@entry=11, no_tid=no_tid@entry=0) at pthread_kill.c:44 #1 0x00007f0f220a0953 in __pthread_kill_internal (signo=11, threadid=) at pthread_kill.c:78 #2 0x00007f0f22051ea8 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26 #3 0x00007f0f23b5e37c in KCrash::defaultCrashHandler(int) (sig=11) at /usr/src/debug/kcrash/kcrash-5.103.0/src/kcrash.cpp:611 #4 0x00007f0f22051f50 in () at /usr/lib/libc.so.6 #5 0x00007f0f23c18479 in serialize_closure (buffer_count=, buffer=0x557ec4fd04d0, closure=0x557ec4ef4200) at ../wayland-1.21.0/src/connection.c:1157 #6 wl_closure_send (connection=, closure=0x557ec4ef4200) at ../wayland-1.21.0/src/connection.c:1225 #7 wl_proxy_marshal_array_flags (proxy=proxy@entry=0x557ec50c2630, opcode=opcode@entry=0, interface=interface@entry=0x7f0f07f18440 , version=version@entry=1, flags=flags@entry=0, args=args@entry=0x7ffcc9f7c810) at ../wayland-1.21.0/src/wayland-client.c:859 #8 0x00007f0f23c18afa in wl_proxy_marshal_flags (proxy=0x557ec50c2630, opcode=0, interface=0x7f0f07f18440 , version=1, flags=0) at ../wayland-1.21.0/src/wayland-client.c:791 #9 0x00007f0f07f13f5b in org_kde_kwin_dpms_manager_get (output=0x71, org_kde_kwin_dpms_manager=0x557ec50c2630) at /usr/src/debug/libkscreen/build/src/libdpms/wayland-dpms-client-protocol.h:131 #10 QtWayland::org_kde_kwin_dpms_manager::get(wl_output*) (this=0x557ec4de62c0, output=0x71) at /usr/src/debug/libkscreen/build/src/libdpms/qwayland-dpms.cpp:70 #11 DpmsManager::addScreen(QScreen*) (this=0x557ec4de62b0, screen=) at /usr/src/debug/libkscreen/libkscreen-5.27.2/src/libdpms/waylanddpmshelper.cpp:118 #12 0x00007f0f228bea71 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffcc9f7cb00, r=, this=0x557ec50cbb00, this=, r=, a=) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398 #13 doActivate(QObject*, int, void**) (sender=0x7ffcc9f7d4e0, signal_index=9, argv=0x7ffcc9f7cb00) at kernel/qobject.cpp:3923 #14 0x00007f0f22d41007 in QGuiApplication::screenAdded(QScreen*) (this=, _t1=) at .moc/moc_qguiapplication.cpp:389 #15 0x00007f0f1ed27754 in QtWaylandClient::QWaylandDisplay::registry_global_remove(unsigned int) (this=0x557ec489ff70, id=58) at /usr/src/debug/qt5-wayland/qtwayland/src/client/qwaylanddisplay.cpp:566 #16 0x00007f0f20fdf4f6 in ffi_call_unix64 () at ../src/x86/unix64.S:104 #17 0x00007f0f20fdbf5e in ffi_call_int (cif=cif@entry=0x7ffcc9f7cd40, fn=, rvalue=, avalue=, closure=closure@entry=0x0) at ../src/x86/ffi64.c:673 #18 0x00007f0f20fdeb73 in ffi_call (cif=cif@entry=0x7ffcc9f7cd40, fn=, rvalue=rvalue@entry=0x0, avalue=avalue@entry=0x7ffcc9f7ce10) at ../src/x86/ffi64.c:710 #19 0x00007f0f23c15645 in wl_closure_invoke (closure=closure@entry=0x7f0f0800a590, target=, target@entry=0x557ec48a00d0, opcode=opcode@entry=1, data=, flags=1) at ../wayland-1.21.0/src/connection.c:1025 #20 0x00007f0f23c15e03 in dispatch_event (display=display@entry=0x557ec48a1920, queue=0x557ec48a19f0) at ../wayland-1.21.0/src/wayland-client.c:1595 #21 0x00007f0f23c15ffc in dispatch_queue (queue=0x557ec48a19f0, display=0x557ec48a1920) at ../wayland-1.21.0/src/wayland-client.c:1741 #22 wl_display_dispatch_queue_pending (display=0x557ec48a1920, queue=0x557ec48a19f0) at ../wayland-1.21.0/src/wayland-client.c:1983 #23 0x00007f0f1ed22bb6 in QtWaylandClient::QWaylandDisplay::flushRequests() (this=) at /usr/src/debug/qt5-wayland/qtwayland/src/client/qwaylanddisplay.cpp:253 #24 0x00007f0f228b1bb0 in QObject::event(QEvent*) (this=0x557ec489ff70, e=0x7f0f10004df0) at kernel/qobject.cpp:1347 #25 0x00007f0f23578b5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=, receiver=0x557ec489ff70, e=0x7f0f10004df0) at kernel/qapplication.cpp:3640 #26 0x00007f0f2288df48 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x557ec489ff70, event=0x7f0f10004df0) at kernel/qcoreapplication.cpp:1064 #27 0x00007f0f2288dfb3 in QCoreApplication::sendEvent(QObject*, QEvent*) (receiver=, event=) at kernel/qcoreapplication.cpp:1462 #28 0x00007f0f2288ea53 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x557ec4894f10) at kernel/qcoreapplication.cpp:1821 #29 0x00007f0f228d4e88 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x557ec48f33d0) at kernel/qeventdispatcher_glib.cpp:277 #30 0x00007f0f2171682b in g_main_dispatch (context=0x7f0f18005010) at ../glib/glib/gmain.c:3454 #31 g_main_context_dispatch (context=0x7f0f18005010) at ../glib/glib/gmain.c:4172 #32 0x00007f0f2176dcc9 in g_main_context_iterate.constprop.0 (context=0x7f0f18005010, block=1, dispatch=1, self=) at ../glib/glib/gmain.c:4248 #33 0x00007f0f217150e2 in g_main_context_iteration (context=0x7f0f18005010, may_block=1) at ../glib/glib/gmain.c:4313 #34 0x00007f0f228d8c6c in QEventDispatcherGlib::processEvents(QFlags) (this=0x557ec48d1270, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #35 0x00007f0f228866ec in QEventLoop::exec(QFlags) (this=0x7ffcc9f7d3f0, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #36 0x00007f0f22891219 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #37 0x00007f0f22d39fe2 in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1870 #38 0x00007f0f23576f2a in QApplication::exec() () at kernel/qapplication.cpp:2832