Application: kwin_wayland (6.5.0) (Compiled from sources) ApplicationNotResponding [ANR]: false Qt Version: 6.10.0 Frameworks Version: 6.19.0 Operating System: Linux 6.17.5-arch1-1 x86_64 Windowing System: Wayland Distribution: CachyOS DrKonqi: 6.5.0 [CoredumpBackend] -- Information about the crash: Laptop: Asus Tuf gaming F15 Behavior: Often since the 6.5 version of KDE, after a sleep, I received a Kwin crash issue and the laptop's screen the brightneess a changed and it can't be modified, even in the system settings. Also in the panel setting, the icon to change brightness of screens doesn't show I never had this issue before the version 6.5 The crash can be reproduced sometimes. -- Backtrace: Application: KWin (kwin_wayland), signal: Aborted warning: Can't open file /memfd:JSVMStack:QtQml (deleted) during file-backed mapping note processing warning: Can't open file anon_inode:i915.gem during file-backed mapping note processing warning: Can't open file /home/valmenu59/.cache/plasma_theme_default.kcache (deleted) during file-backed mapping note processing warning: Can't open file /memfd:gdk-wayland (deleted) during file-backed mapping note processing warning: Can't open file /memfd:wayland-cursor (deleted) during file-backed mapping note processing warning: Can't open file /memfd:wayland-shm (deleted) during file-backed mapping note processing warning: Can't open file /memfd:unknown-usage:QtQml (deleted) during file-backed mapping note processing warning: Can't open file /memfd:JITCode:QtQml (deleted) during file-backed mapping note processing warning: Can't open file /memfd:JSGCHeap:QtQml (deleted) during file-backed mapping note processing warning: Can't open file /memfd:xwayland-shared (deleted) during file-backed mapping note processing warning: Can't open file /memfd:kwayland-shared (deleted) during file-backed mapping note processing [New LWP 1476] [New LWP 1526] [New LWP 1528] [New LWP 1544] [New LWP 1545] [New LWP 1546] [New LWP 1547] [New LWP 6188] [New LWP 1551] [New LWP 6189] [New LWP 1527] [New LWP 1531] [New LWP 1503] [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". Core was generated by `/usr/bin/kwin_wayland --wayland-fd 7 --socket wayland-0 --xwayland-fd 8 --xwayland-fd 9 --xwayland-display :0 --xwayland-xauthority /run/user/1000/xauth_fmtfSu --xwayland'. Program terminated with signal SIGABRT, Aborted. #0 0x00007f8d67aaa7eb in pthread_kill () from /usr/lib/libc.so.6 [Current thread is 1 (Thread 0x7f8d60d81b80 (LWP 1476))] add symbol table from file "/usr/lib/libc.so.6" add symbol table from file "/usr/lib/libKF6Crash.so.6" add symbol table from file "/usr/lib/libQt6Core.so.6" add symbol table from file "/usr/lib/libkwin.so.6" add symbol table from file "/usr/lib/libQt6Widgets.so.6" add symbol table from file "/usr/lib/libQt6Gui.so.6" add symbol table from file "/usr/bin/kwin_wayland" add symbol table from file "/usr/lib/libglib-2.0.so.0" add symbol table from file "/usr/lib/libQt6DBus.so.6" add symbol table from file "/usr/lib/libgallium-25.2.5-cachyos1.5.so" add symbol table from file "/usr/lib/libstdc++.so.6" [Current thread is 1 (Thread 0x7f8d60d81b80 (LWP 1476))] Thread 13 (Thread 0x7f8d609ff6c0 (LWP 1503)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa499c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67b307c3 in ppoll () from /usr/lib/libc.so.6 #3 0x00007f8d66dd9784 in ppoll (__fds=0x7f8d58001680, __nfds=3, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101 #4 g_main_context_poll_unlocked (priority=<optimized out>, context=0x7f8d58000d00, timeout_usec=<optimized out>, fds=0x7f8d58001680, n_fds=3) at ../glib/glib/gmain.c:4811 #5 g_main_context_iterate_unlocked (context=context@entry=0x7f8d58000d00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4485 #6 0x00007f8d66dd9865 in g_main_context_iteration (context=0x7f8d58000d00, may_block=1) at ../glib/glib/gmain.c:4556 #7 0x00007f8d6864a9d2 in QEventDispatcherGlib::processEvents (this=0x7f8d58000be0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399 #8 0x00007f8d68375a86 in QEventLoop::processEvents (this=0x7f8d609fe930, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104 #9 QEventLoop::exec (this=0x7f8d609fe930, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186 #10 0x00007f8d6848af7e in QThread::exec (this=this@entry=0x7f8d693feda0 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp:672 #11 0x00007f8d6937963e in QDBusConnectionManager::run (this=0x7f8d693feda0 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /usr/src/debug/qt6-base/qtbase/src/dbus/qdbusconnectionmanager.cpp:145 #12 0x00007f8d68530ca9 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:437 #13 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:367 #14 QThreadPrivate::start (arg=0x7f8d693feda0 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:397 #15 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #16 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 12 (Thread 0x7f8d3ffff6c0 (LWP 1531)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa499c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67b307c3 in ppoll () from /usr/lib/libc.so.6 #3 0x00007f8d66dd9784 in ppoll (__fds=0x7f8d38001550, __nfds=2, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101 #4 g_main_context_poll_unlocked (priority=<optimized out>, context=0x7f8d38000d00, timeout_usec=<optimized out>, fds=0x7f8d38001550, n_fds=2) at ../glib/glib/gmain.c:4811 #5 g_main_context_iterate_unlocked (context=context@entry=0x7f8d38000d00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4485 #6 0x00007f8d66dd9865 in g_main_context_iteration (context=0x7f8d38000d00, may_block=1) at ../glib/glib/gmain.c:4556 #7 0x00007f8d6864a9d2 in QEventDispatcherGlib::processEvents (this=0x7f8d38000be0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399 #8 0x00007f8d68375a86 in QEventLoop::processEvents (this=0x7f8d3fffe980, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104 #9 QEventLoop::exec (this=0x7f8d3fffe980, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186 #10 0x00007f8d6848af7e in QThread::exec (this=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp:672 #11 0x00007f8d68530ca9 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:437 #12 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:367 #13 QThreadPrivate::start (arg=0x564eec6c6dc8) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:397 #14 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #15 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 11 (Thread 0x7f8d4dffe6c0 (LWP 1527)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa490c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67aa5051 in ?? () from /usr/lib/libc.so.6 #3 0x00007f8d67aa7c18 in pthread_cond_wait () from /usr/lib/libc.so.6 #4 0x00007f8d5cf2c66e in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #5 0x00007f8d5cec2f1d in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #6 0x00007f8d5cf2c59c in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #7 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #8 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 10 (Thread 0x7f8cff6126c0 (LWP 6189)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa490c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67aa5051 in ?? () from /usr/lib/libc.so.6 #3 0x00007f8d67aa7c18 in pthread_cond_wait () from /usr/lib/libc.so.6 #4 0x00007f8d5cf2c66e in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #5 0x00007f8d5cec2f1d in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #6 0x00007f8d5cf2c59c in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #7 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #8 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 9 (Thread 0x7f8d31a0a6c0 (LWP 1551)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa499c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67b307c3 in ppoll () from /usr/lib/libc.so.6 #3 0x00007f8d66dd9784 in ppoll (__fds=0x7f8d240014a0, __nfds=1, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101 #4 g_main_context_poll_unlocked (priority=<optimized out>, context=0x7f8d24000d00, timeout_usec=<optimized out>, fds=0x7f8d240014a0, n_fds=1) at ../glib/glib/gmain.c:4811 #5 g_main_context_iterate_unlocked (context=context@entry=0x7f8d24000d00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4485 #6 0x00007f8d66dd9865 in g_main_context_iteration (context=0x7f8d24000d00, may_block=1) at ../glib/glib/gmain.c:4556 #7 0x00007f8d6864a9d2 in QEventDispatcherGlib::processEvents (this=0x7f8d24000be0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399 #8 0x00007f8d68375a86 in QEventLoop::processEvents (this=0x7f8d31a09980, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104 #9 QEventLoop::exec (this=0x7f8d31a09980, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186 #10 0x00007f8d6848af7e in QThread::exec (this=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp:672 #11 0x00007f8d68530ca9 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:437 #12 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:367 #13 QThreadPrivate::start (arg=0x564eed7609b0) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:397 #14 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #15 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 8 (Thread 0x7f8d00ed46c0 (LWP 6188)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa490c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67aa5051 in ?? () from /usr/lib/libc.so.6 #3 0x00007f8d67aa7c18 in pthread_cond_wait () from /usr/lib/libc.so.6 #4 0x00007f8d5cf2c66e in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #5 0x00007f8d5cec2f1d in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #6 0x00007f8d5cf2c59c in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #7 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #8 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 7 (Thread 0x7f8d331fe6c0 (LWP 1547)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa490c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67aa5051 in ?? () from /usr/lib/libc.so.6 #3 0x00007f8d67aa7c18 in pthread_cond_wait () from /usr/lib/libc.so.6 #4 0x00007f8d5cf2c66e in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #5 0x00007f8d5cec2f1d in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #6 0x00007f8d5cf2c59c in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #7 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #8 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 6 (Thread 0x7f8d339ff6c0 (LWP 1546)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa490c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67aa5051 in ?? () from /usr/lib/libc.so.6 #3 0x00007f8d67aa7c18 in pthread_cond_wait () from /usr/lib/libc.so.6 #4 0x00007f8d5cf2c66e in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #5 0x00007f8d5cec2f1d in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #6 0x00007f8d5cf2c59c in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #7 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #8 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 5 (Thread 0x7f8d3cdfe6c0 (LWP 1545)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa490c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67aa5051 in ?? () from /usr/lib/libc.so.6 #3 0x00007f8d67aa7c18 in pthread_cond_wait () from /usr/lib/libc.so.6 #4 0x00007f8d5cf2c66e in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #5 0x00007f8d5cec2f1d in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #6 0x00007f8d5cf2c59c in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #7 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #8 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 4 (Thread 0x7f8d3d5ff6c0 (LWP 1544)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa490c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67aa5051 in ?? () from /usr/lib/libc.so.6 #3 0x00007f8d67aa7c18 in pthread_cond_wait () from /usr/lib/libc.so.6 #4 0x00007f8d5cf2c66e in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #5 0x00007f8d5cec2f1d in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #6 0x00007f8d5cf2c59c in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #7 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #8 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 3 (Thread 0x7f8d4d7fd6c0 (LWP 1528)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa490c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67aa5051 in ?? () from /usr/lib/libc.so.6 #3 0x00007f8d67aa7c18 in pthread_cond_wait () from /usr/lib/libc.so.6 #4 0x00007f8d67ef3541 in __gthread_cond_wait (__cond=<optimized out>, __mutex=<optimized out>) at /usr/src/debug/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:911 #5 std::__condvar::wait (this=<optimized out>, __m=...) at /usr/src/debug/gcc/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/std_mutex.h:173 #6 std::condition_variable::wait (this=<optimized out>, __lock=...) at /usr/src/debug/gcc/gcc/libstdc++-v3/src/c++11/condition_variable.cc:41 #7 0x00007f8d6b33cd4c in ?? () from /usr/lib/libkwin.so.6 #8 0x00007f8d6b33d3a9 in ?? () from /usr/lib/libkwin.so.6 #9 0x00007f8d6b336bf1 in ?? () from /usr/lib/libkwin.so.6 #10 0x00007f8d67aadda1 in ?? () from /usr/lib/libc.so.6 #11 0x00007f8d67aade19 in pthread_once () from /usr/lib/libc.so.6 #12 0x00007f8d6b33ef95 in ?? () from /usr/lib/libkwin.so.6 #13 0x00007f8d6848bb05 in std::__future_base::_State_baseV2::wait (this=0x564eec6cb430) at /usr/include/c++/15.2.1/future:359 #14 std::__basic_future<void>::_M_get_result (this=0x564eec68d530) at /usr/include/c++/15.2.1/future:750 #15 std::future<void>::get (this=0x564eec68d530) at /usr/include/c++/15.2.1/future:922 #16 QThreadCreateThread::run (this=0x564eec68d520) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp:1387 #17 0x00007f8d68530ca9 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:437 #18 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:367 #19 QThreadPrivate::start (arg=0x564eec68d520) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:397 #20 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #21 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 2 (Thread 0x7f8d4e7ff6c0 (LWP 1526)): #0 0x00007f8d67ab0f72 in ?? () from /usr/lib/libc.so.6 #1 0x00007f8d67aa490c in ?? () from /usr/lib/libc.so.6 #2 0x00007f8d67aa5051 in ?? () from /usr/lib/libc.so.6 #3 0x00007f8d67aa7c18 in pthread_cond_wait () from /usr/lib/libc.so.6 #4 0x00007f8d5cf2c66e in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #5 0x00007f8d5cec2f1d in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #6 0x00007f8d5cf2c59c in ?? () from /usr/lib/libgallium-25.2.5-cachyos1.5.so #7 0x00007f8d67aa87f6 in ?? () from /usr/lib/libc.so.6 #8 0x00007f8d67b3d81c in ?? () from /usr/lib/libc.so.6 Thread 1 (Thread 0x7f8d60d81b80 (LWP 1476)): [KCrash Handler] #4 0x00007f8d67aaa7eb in pthread_kill () from /usr/lib/libc.so.6 #5 0x00007f8d67a44558 in raise () from /usr/lib/libc.so.6 #6 0x00007f8d67a2560f in abort () from /usr/lib/libc.so.6 #7 0x00007f8d6829348c in qAbort () at /usr/src/debug/qt6-base/qtbase/src/corelib/global/qassert.cpp:46 #8 qt_maybe_message_fatal<QString&> (msgType=QtFatalMsg, context=..., message=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/global/qlogging.cpp:2165 #9 qt_message(QtMsgType, const QMessageLogContext &, const char *, typedef __va_list_tag __va_list_tag *) (msgType=msgType@entry=QtFatalMsg, context=..., msg=msg@entry=0x7f8d6b5aeec1 "unknown active output", ap=ap@entry=0x7ffc19b26148) at /usr/src/debug/qt6-base/qtbase/src/corelib/global/qlogging.cpp:412 #10 0x00007f8d68294250 in QMessageLogger::fatal (this=<optimized out>, msg=0x7f8d6b5aeec1 "unknown active output") at /usr/src/debug/qt6-base/qtbase/src/corelib/global/qlogging.cpp:901 #11 0x00007f8d6af5cc23 in ?? () from /usr/lib/libkwin.so.6 #12 0x00007f8d6af888d2 in KWin::Workspace::takeActivity(KWin::Window*, QFlags<KWin::Workspace::ActivityFlag>) () from /usr/lib/libkwin.so.6 #13 0x00007f8d6af89240 in KWin::Workspace::activateNextWindow(KWin::Window*) () from /usr/lib/libkwin.so.6 #14 0x00007f8d6b2b02d7 in KWin::Workspace::removeWaylandWindow(KWin::Window*) () from /usr/lib/libkwin.so.6 #15 0x00007f8d683d716f in QtPrivate::QSlotObjectBase::call (this=<optimized out>, r=<optimized out>, a=<optimized out>, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461 #16 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4255 #17 0x00007f8d6b26b447 in KWin::WaylandServer::windowRemoved(KWin::Window*) () from /usr/lib/libkwin.so.6 #18 0x00007f8d6b0e36d6 in ?? () from /usr/lib/libkwin.so.6 #19 0x00007f8d683d716f in QtPrivate::QSlotObjectBase::call (this=<optimized out>, r=<optimized out>, a=<optimized out>, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461 #20 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4255 #21 0x00007f8d6b2c89e7 in KWin::Workspace::outputRemoved(KWin::Output*) () from /usr/lib/libkwin.so.6 #22 0x00007f8d6b2bb0c8 in KWin::Workspace::updateOutputs(std::optional<QList<KWin::Output*> > const&) () from /usr/lib/libkwin.so.6 #23 0x00007f8d6b2aec2c in KWin::Workspace::applyOutputConfiguration(KWin::OutputConfiguration&, std::optional<QList<KWin::Output*> > const&) () from /usr/lib/libkwin.so.6 #24 0x00007f8d6b2af120 in KWin::Workspace::updateOutputConfiguration() () from /usr/lib/libkwin.so.6 #25 0x00007f8d6b2afda2 in KWin::Workspace::slotOutputBackendOutputsQueried() () from /usr/lib/libkwin.so.6 #26 0x00007f8d683d716f in QtPrivate::QSlotObjectBase::call (this=<optimized out>, r=<optimized out>, a=<optimized out>, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461 #27 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4255 #28 0x00007f8d6b32faa1 in KWin::DrmBackend::updateOutputs() () from /usr/lib/libkwin.so.6 #29 0x00007f8d6b33350b in KWin::DrmBackend::handleUdevEvent() () from /usr/lib/libkwin.so.6 #30 0x00007f8d683d716f in QtPrivate::QSlotObjectBase::call (this=<optimized out>, r=<optimized out>, a=<optimized out>, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461 #31 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4255 #32 0x00007f8d683e1c40 in QMetaObject::activate<void, QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal> (sender=0x564eec6b81d0, mo=<optimized out>, local_signal_index=0, ret=0x0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs.h:319 #33 QSocketNotifier::activated (this=0x564eec6b81d0, _t1=..., _t2=<optimized out>, _t3=...) at /usr/src/debug/qt6-base/build/src/corelib/Core_autogen/include/moc_qsocketnotifier.cpp:161 #34 QSocketNotifier::event (this=0x564eec6b81d0, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qsocketnotifier.cpp:324 #35 0x00007f8d695020a0 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x564eec6b81d0, e=0x7ffc19b278f0) at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:3307 #36 0x00007f8d6836a6c8 in QCoreApplication::notifyInternal2 (receiver=0x564eec6b81d0, event=0x7ffc19b278f0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1109 #37 0x00007f8d6852f049 in QCoreApplication::sendEvent (receiver=<optimized out>, event=0x7ffc19b278f0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1549 #38 QEventDispatcherUNIXPrivate::activateSocketNotifiers (this=this@entry=0x564eec4cd980) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp:276 #39 0x00007f8d6852fb6c in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=..., flags@entry=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp:498 #40 0x00007f8d69134773 in QUnixEventDispatcherQPA::processEvents (this=<optimized out>, flags=...) at /usr/src/debug/qt6-base/qtbase/src/gui/platform/unix/qunixeventdispatcher.cpp:27 #41 0x00007f8d68375a86 in QEventLoop::processEvents (this=0x7ffc19b27ac0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104 #42 QEventLoop::exec (this=0x7ffc19b27ac0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186 #43 0x00007f8d6836f171 in QCoreApplication::exec () at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1452 #44 0x0000564edd07ea4a in ?? () #45 0x00007f8d67a27b8b in ?? () from /usr/lib/libc.so.6 #46 0x00007f8d67a27c4b in __libc_start_main () from /usr/lib/libc.so.6 #47 0x0000564edd087de5 in ?? () Reported using DrKonqi
About the brightness issue, that's powerdevil not automatically restarting because of libddcutil's X11 use. You can work around it by just manually restarting it with > systemctl restart --user plasma-powerdevil *** This bug has been marked as a duplicate of bug 495702 ***