Core was generated by `/usr/bin/kwin_wayland --wayland-fd 7 --socket wayland-0 --xwayland-fd 8 --xwayl'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  std::__uniq_ptr_impl<KWaylandServer::OutputInterfacePrivate, std::default_delete<KWaylandServer::OutputInterfacePrivate> >::_M_ptr (this=0x10)
    at /usr/include/c++/12.2.1/bits/unique_ptr.h:191
191           pointer    _M_ptr() const noexcept { return std::get<0>(_M_t); }
[Current thread is 1 (Thread 0x7f6db8d138c0 (LWP 1783))]
(gdb) bt
#0  std::__uniq_ptr_impl<KWaylandServer::OutputInterfacePrivate, std::default_delete<KWaylandServer::OutputInterfacePrivate> >::_M_ptr() const (this=0x10)
    at /usr/include/c++/12.2.1/bits/unique_ptr.h:191
#1  std::unique_ptr<KWaylandServer::OutputInterfacePrivate, std::default_delete<KWaylandServer::OutputInterfacePrivate> >::get() const (this=0x10)
    at /usr/include/c++/12.2.1/bits/unique_ptr.h:462
#2  std::unique_ptr<KWaylandServer::OutputInterfacePrivate, std::default_delete<KWaylandServer::OutputInterfacePrivate> >::operator->() const (this=0x10)
    at /usr/include/c++/12.2.1/bits/unique_ptr.h:455
#3  KWaylandServer::OutputInterface::handle() const (this=0x0) at /usr/src/debug/kwin/kwin-5.27.2/src/wayland/output_interface.cpp:263
#4  0x00007f6dbfbc59c0 in KWaylandServer::DpmsInterface::sendMode() (this=0x564531a1d8c0) at /usr/src/debug/kwin/kwin-5.27.2/src/wayland/dpms_interface.cpp:141
#5  0x00007f6dbfbc5d5a in operator() (__closure=0x564531d654b0) at /usr/src/debug/kwin/kwin-5.27.2/src/wayland/dpms_interface.cpp:92
#6  QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, KWaylandServer::DpmsInterface::DpmsInterface(KWaylandServer::OutputInterface*, wl_resource*)::<lambda()> >::call (arg=<optimized out>, f=...) at /usr/include/qt/QtCore/qobjectdefs_impl.h:146
#7  QtPrivate::Functor<KWaylandServer::DpmsInterface::DpmsInterface(KWaylandServer::OutputInterface*, wl_resource*)::<lambda()>, 0>::call<QtPrivate::List<>, void>
    (arg=<optimized out>, f=...) at /usr/include/qt/QtCore/qobjectdefs_impl.h:256
#8  QtPrivate::QFunctorSlotObject<KWaylandServer::DpmsInterface::DpmsInterface(KWaylandServer::OutputInterface*, wl_resource*)::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x564531d654a0, r=<optimized out>, a=<optimized out>, ret=<optimized out>)
    at /usr/include/qt/QtCore/qobjectdefs_impl.h:443
#9  0x00007f6dbe0bea71 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
    (a=0x7ffdfffa1240, r=<optimized out>, this=0x564531d654a0, this=<optimized out>, r=<optimized out>, a=<optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#10 doActivate<false>(QObject*, int, void**) (sender=0x564530c53f10, signal_index=14, argv=0x7ffdfffa1240) at kernel/qobject.cpp:3923
#11 0x00007f6dbf9c495e in KWin::Output::setState(KWin::Output::State const&) (this=0x564530c53f10, state=...) at /usr/src/debug/kwin/kwin-5.27.2/src/core/output.cpp:292
#12 0x00007f6dbfb7ccba in KWin::DrmOutput::updateDpmsMode(KWin::Output::DpmsMode) (this=this@entry=0x564530c53f10, dpmsMode=dpmsMode@entry=KWin::Output::DpmsMode::Off)
    at /usr/src/debug/kwin/kwin-5.27.2/src/backends/drm/drm_output.cpp:353
#13 0x00007f6dbfb7dd64 in KWin::DrmOutput::setDrmDpmsMode(KWin::Output::DpmsMode) (this=0x564530c53f10, mode=KWin::Output::DpmsMode::Off)
    at /usr/src/debug/kwin/kwin-5.27.2/src/backends/drm/drm_output.cpp:276
#14 0x00007f6dbe0bea71 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
    (a=0x7ffdfffa1510, r=<optimized out>, this=0x564530ad13f0, this=<optimized out>, r=<optimized out>, a=<optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#15 doActivate<false>(QObject*, int, void**) (sender=0x564530c54008, signal_index=3, argv=0x7ffdfffa1510) at kernel/qobject.cpp:3923
#16 0x00007f6dbe0c0fcf in QTimer::timeout(QTimer::QPrivateSignal) (this=<optimized out>, _t1=...) at .moc/moc_qtimer.cpp:205
#17 0x00007f6dbe0b1b56 in QObject::event(QEvent*) (this=0x564530c54008, e=0x7ffdfffa1680) at kernel/qobject.cpp:1324
#18 0x00007f6dbd778b5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x564530c54008, e=0x7ffdfffa1680) at kernel/qapplication.cpp:3640
#19 0x00007f6dbe08df48 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x564530c54008, event=0x7ffdfffa1680) at kernel/qcoreapplication.cpp:1064
#20 0x00007f6dbe0d84b3 in QTimerInfoList::activateTimers() (this=0x5645306fc728) at kernel/qtimerinfo_unix.cpp:643
#21 0x00007f6dbe0d8511 in QEventDispatcherUNIXPrivate::activateTimers() (this=<optimized out>) at kernel/qeventdispatcher_unix.cpp:249
#22 0x00007f6dbe0d8962 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:516
#23 0x000056452f7135f2 in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
#24 0x00007f6dbe0866ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7ffdfffa1820, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#25 0x00007f6dbe091219 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#26 0x00007f6dbe539fe2 in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1870
#27 0x00007f6dbd776f2a in QApplication::exec() () at kernel/qapplication.cpp:2832
#28 0x000056452f630242 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kwin/kwin-5.27.2/src/main_wayland.cpp:628