Application: kwin_wayland (6.4.5) ApplicationNotResponding [ANR]: false Qt Version: 6.9.2 Frameworks Version: 6.18.0 Operating System: Linux 6.16.10-arch1-1 x86_64 Windowing System: Wayland Distribution: Arch Linux DrKonqi: 6.4.5 [CoredumpBackend] -- Information about the crash: My laptop is always using an external monitor using a n usb-c hub with hdmi outport. When I was trying to lock the screen after about an hour I as not using it, the system was not responsive, I finally unplugged the usb-c and heard a "pling" sound. After that the system was responding again and this kwin crash appeared. The reporter is unsure if this crash is reproducible. -- Backtrace: Application: KWin (kwin_wayland), signal: Segmentation fault Downloading separate debug info for /usr/bin/kwin_wayland... warning: Can't open file /memfd:JSGCHeap: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:wayland-cursor (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 /memfd:xwayland-shared (deleted) during file-backed mapping note processing warning: Can't open file /memfd:JSVMStack:QtQml (deleted) during file-backed mapping note processing warning: Can't open file /memfd:kwayland-shared (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-shm (deleted) during file-backed mapping note processing warning: Can't open file /memfd:unknown-usage:QtQml (deleted) during file-backed mapping note processing [New LWP 1049] [New LWP 1079] [New LWP 1063] [New LWP 1080] [New LWP 1094] [New LWP 1093] [New LWP 1095] [New LWP 1096] [New LWP 1081] [New LWP 1092] [New LWP 1083] [New LWP 384204] [New LWP 1836] [New LWP 384205] [New LWP 1881] Downloading 9.88 M separate debug info for /usr/lib/libc.so.6... [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_WhBtXi --xwayland'. Program terminated with signal SIGSEGV, Segmentation fault. Downloading 4.48 K source file /usr/src/debug/glibc/glibc/nptl/pthread_kill.c... #0 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=11, no_tid=no_tid@entry=0) at pthread_kill.c:44 44 return INTERNAL_SYSCALL_ERROR_P (ret) ? INTERNAL_SYSCALL_ERRNO (ret) : 0; [Current thread is 1 (Thread 0x7f7bf04c8a80 (LWP 1049))] Cannot QML trace cores :( add symbol table from file "/usr/lib/libc.so.6" Downloading 1.50 M separate debug info for /usr/lib/libKF6Crash.so.6... add symbol table from file "/usr/lib/libKF6Crash.so.6" Downloading 228.01 M separate debug info for /usr/lib/libkwin.so.6... add symbol table from file "/usr/lib/libkwin.so.6" Downloading 101.02 M separate debug info for /usr/lib/libQt6Core.so.6... add symbol table from file "/usr/lib/libQt6Core.so.6" Downloading 138.30 M separate debug info for /usr/lib/libQt6Widgets.so.6... add symbol table from file "/usr/lib/libQt6Widgets.so.6" Downloading 200.08 M separate debug info for /usr/lib/libQt6Gui.so.6... add symbol table from file "/usr/lib/libQt6Gui.so.6" add symbol table from file "/usr/bin/kwin_wayland" Downloading 23.20 K source file /usr/src/debug/kwin/kwin-6.4.5/src/main_wayland.cpp... Downloading 145.15 K source file /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp... Downloading 112.76 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp... Downloading 13.17 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp... Downloading 813.00 B source file /usr/src/debug/qt6-base/qtbase/src/gui/platform/unix/qunixeventdispatcher.cpp... Downloading 14.87 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp... Downloading 10.93 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qsocketnotifier.cpp... Downloading 6.26 K source file /usr/src/debug/qt6-base/build/src/corelib/Core_autogen/include/moc_qsocketnotifier.cpp... Downloading 28.08 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs.h... Downloading 202.77 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp... Downloading 28.70 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h... Downloading 15.46 K source file /usr/src/debug/kwin/kwin-6.4.5/src/backends/drm/drm_backend.cpp... Downloading 103.37 K source file /usr/src/debug/kwin/kwin-6.4.5/src/workspace.cpp... Downloading 30.30 K source file /usr/src/debug/kwin/build/src/kwin_autogen/include/moc_workspace.cpp... Downloading 29.73 K source file /usr/src/debug/kwin/kwin-6.4.5/src/compositor.cpp... Downloading 6.73 K source file /usr/src/debug/kwin/kwin-6.4.5/src/core/renderlayer.cpp... Downloading 2.48 K source file /usr/src/debug/glibc/glibc/misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S... Downloading 34.87 K source file /usr/src/debug/glibc/glibc/nptl/pthread_create.c... Downloading 34.54 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp... Downloading 25.87 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthreadpool.cpp... Downloading 5.53 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qwaitcondition_unix.cpp... Downloading 23.25 K source file /usr/src/debug/glibc/glibc/nptl/pthread_cond_wait.c... Downloading 7.09 K source file /usr/src/debug/glibc/glibc/nptl/futex-internal.c... Downloading 4.24 K source file /usr/src/debug/glibc/glibc/nptl/cancellation.c... Downloading 1.79 K source file /usr/src/debug/glibc/glibc/nptl/../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S... Downloading 45.14 M separate debug info for /usr/lib/libgallium-25.2.4-arch1.1.so... add symbol table from file "/usr/lib/libgallium-25.2.4-arch1.1.so" Downloading 7.06 K source file /usr/src/debug/mesa/build/../mesa-25.2.4/src/c11/impl/threads_posix.c... Downloading 20.46 K source file /usr/src/debug/mesa/build/../mesa-25.2.4/src/util/u_queue.c... Downloading 4.72 M separate debug info for /usr/lib/libglib-2.0.so.0... add symbol table from file "/usr/lib/libglib-2.0.so.0" Downloading 19.72 M separate debug info for /usr/lib/libQt6DBus.so.6... add symbol table from file "/usr/lib/libQt6DBus.so.6" Downloading 10.11 K source file /usr/src/debug/qt6-base/qtbase/src/dbus/qdbusconnectionmanager.cpp... Downloading 41.02 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp... Downloading 17.53 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp... Downloading 190.70 K source file /usr/src/debug/glib2/build/../glib/glib/gmain.c... Downloading 2.27 K source file /usr/src/debug/glibc/glibc/io/../sysdeps/unix/sysv/linux/ppoll.c... add symbol table from file "/usr/lib/libstdc++.so.6" Downloading 6.11 K source file /usr/src/debug/glibc/glibc/nptl/pthread_once.c... Downloading 16.58 K source file /usr/src/debug/kwin/kwin-6.4.5/src/backends/drm/drm_commit_thread.cpp... [Current thread is 12 (Thread 0x7f7bb58ba6c0 (LWP 384204))] Thread 15 (Thread 0x7f7ba3bff6c0 (LWP 1881)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=202) at cancellation.c:49 #2 0x00007f7bf5c9381c in __futex_abstimed_wait_common64 (private=<optimized out>, futex_word=<optimized out>, expected=<optimized out>, op=<optimized out>, abstime=<optimized out>, cancel=<optimized out>) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=<optimized out>, expected=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, private=<optimized out>, cancel=<optimized out>) at futex-internal.c:87 #4 0x00007f7bf5c95ede in __pthread_cond_wait_common (cond=0x55e9a182b2f0, mutex=0x55e9a182b2c0, clockid=0, abstime=0x0) at pthread_cond_wait.c:421 #5 ___pthread_cond_wait (cond=0x55e9a182b2f0, mutex=0x55e9a182b2c0) at pthread_cond_wait.c:453 #6 0x00007f7bec96755e in cnd_wait () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:111 #7 0x00007f7bec9204bd in util_queue_thread_func () at ../mesa-25.2.4/src/util/u_queue.c:275 #8 0x00007f7bec96748d in impl_thrd_routine () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:43 #9 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #10 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 14 (Thread 0x7f7bb60bb6c0 (LWP 384205)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=202) at cancellation.c:49 #2 0x00007f7bf5c9381c in __futex_abstimed_wait_common64 (private=<optimized out>, futex_word=<optimized out>, expected=<optimized out>, op=<optimized out>, abstime=<optimized out>, cancel=<optimized out>) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=<optimized out>, expected=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, private=<optimized out>, cancel=<optimized out>) at futex-internal.c:87 #4 0x00007f7bf5c960e8 in __pthread_cond_wait_common (cond=0x55e9a31cc348, mutex=0x55e9a31cc320, clockid=<optimized out>, abstime=0x7f7bb60ba9d0) at pthread_cond_wait.c:421 #5 ___pthread_cond_timedwait64 (cond=0x55e9a31cc348, mutex=0x55e9a31cc320, abstime=0x7f7bb60ba9d0) at pthread_cond_wait.c:478 #6 0x00007f7bf67307b5 in QWaitConditionPrivate::wait_relative (this=0x55e9a31cc320, deadline=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:57 #7 QWaitConditionPrivate::wait (this=0x55e9a31cc320, deadline=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:65 #8 QWaitCondition::wait (this=<optimized out>, mutex=0x55e9a28dd0d8, deadline=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:145 #9 0x00007f7bf672a540 in QThreadPoolThread::run (this=0x55e9a31d00b0) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthreadpool.cpp:119 #10 0x00007f7bf6720e92 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:434 #11 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:366 #12 QThreadPrivate::start (arg=0x55e9a31d00b0) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:394 #13 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #14 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 13 (Thread 0x7f7bdccbb6c0 (LWP 1836)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=202) at cancellation.c:49 #2 0x00007f7bf5c9381c in __futex_abstimed_wait_common64 (private=<optimized out>, futex_word=<optimized out>, expected=<optimized out>, op=<optimized out>, abstime=<optimized out>, cancel=<optimized out>) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=<optimized out>, expected=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, private=<optimized out>, cancel=<optimized out>) at futex-internal.c:87 #4 0x00007f7bf5c95ede in __pthread_cond_wait_common (cond=0x55e9a182b2f0, mutex=0x55e9a182b2c0, clockid=0, abstime=0x0) at pthread_cond_wait.c:421 #5 ___pthread_cond_wait (cond=0x55e9a182b2f0, mutex=0x55e9a182b2c0) at pthread_cond_wait.c:453 #6 0x00007f7bec96755e in cnd_wait () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:111 #7 0x00007f7bec9204bd in util_queue_thread_func () at ../mesa-25.2.4/src/util/u_queue.c:275 #8 0x00007f7bec96748d in impl_thrd_routine () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:43 #9 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #10 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 12 (Thread 0x7f7bb58ba6c0 (LWP 384204)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=202) at cancellation.c:49 #2 0x00007f7bf5c9381c in __futex_abstimed_wait_common64 (private=<optimized out>, futex_word=<optimized out>, expected=<optimized out>, op=<optimized out>, abstime=<optimized out>, cancel=<optimized out>) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=<optimized out>, expected=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, private=<optimized out>, cancel=<optimized out>) at futex-internal.c:87 #4 0x00007f7bf5c960e8 in __pthread_cond_wait_common (cond=0x55e9a30f2eb8, mutex=0x55e9a30f2e90, clockid=<optimized out>, abstime=0x7f7bb58b99d0) at pthread_cond_wait.c:421 #5 ___pthread_cond_timedwait64 (cond=0x55e9a30f2eb8, mutex=0x55e9a30f2e90, abstime=0x7f7bb58b99d0) at pthread_cond_wait.c:478 #6 0x00007f7bf67307b5 in QWaitConditionPrivate::wait_relative (this=0x55e9a30f2e90, deadline=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:57 #7 QWaitConditionPrivate::wait (this=0x55e9a30f2e90, deadline=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:65 #8 QWaitCondition::wait (this=<optimized out>, mutex=0x55e9a28dd0d8, deadline=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:145 #9 0x00007f7bf672a540 in QThreadPoolThread::run (this=0x55e9a31cc490) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthreadpool.cpp:119 #10 0x00007f7bf6720e92 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:434 #11 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:366 #12 QThreadPrivate::start (arg=0x55e9a31cc490) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:394 #13 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #14 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 11 (Thread 0x7f7bcffff6c0 (LWP 1083)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=271) at cancellation.c:49 #2 0x00007f7bf5c931f4 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=271) at cancellation.c:75 #3 0x00007f7bf5d0da36 in __GI_ppoll (fds=fds@entry=0x7f7bc8001520, nfds=nfds@entry=2, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42 #4 0x00007f7bf5311744 in ppoll (__fds=0x7f7bc8001520, __nfds=2, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101 #5 g_main_context_poll_unlocked (priority=<optimized out>, context=0x7f7bc8000cd0, timeout_usec=<optimized out>, fds=0x7f7bc8001520, n_fds=2) at ../glib/glib/gmain.c:4811 #6 g_main_context_iterate_unlocked (context=context@entry=0x7f7bc8000cd0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4485 #7 0x00007f7bf5311825 in g_main_context_iteration (context=0x7f7bc8000cd0, may_block=1) at ../glib/glib/gmain.c:4556 #8 0x00007f7bf683ffe2 in QEventDispatcherGlib::processEvents (this=0x7f7bc8000be0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399 #9 0x00007f7bf6574ca6 in QEventLoop::processEvents (this=0x7f7bcfffea70, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104 #10 QEventLoop::exec (this=0x7f7bcfffea70, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186 #11 0x00007f7bf668fbb4 in QThread::exec (this=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp:659 #12 QThread::run (this=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp:780 #13 0x00007f7bf6720e92 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:434 #14 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:366 #15 QThreadPrivate::start (arg=0x55e9a18a7c88) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:394 #16 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #17 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 10 (Thread 0x7f7bcf7fe6c0 (LWP 1092)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=202) at cancellation.c:49 #2 0x00007f7bf5c9381c in __futex_abstimed_wait_common64 (private=<optimized out>, futex_word=<optimized out>, expected=<optimized out>, op=<optimized out>, abstime=<optimized out>, cancel=<optimized out>) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=<optimized out>, expected=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, private=<optimized out>, cancel=<optimized out>) at futex-internal.c:87 #4 0x00007f7bf5c95ede in __pthread_cond_wait_common (cond=0x55e9a1c43c68, mutex=0x55e9a1c43c38, clockid=0, abstime=0x0) at pthread_cond_wait.c:421 #5 ___pthread_cond_wait (cond=0x55e9a1c43c68, mutex=0x55e9a1c43c38) at pthread_cond_wait.c:453 #6 0x00007f7bec96755e in cnd_wait () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:111 #7 0x00007f7bec9204bd in util_queue_thread_func () at ../mesa-25.2.4/src/util/u_queue.c:275 #8 0x00007f7bec96748d in impl_thrd_routine () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:43 #9 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #10 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 9 (Thread 0x7f7bdd4bc6c0 (LWP 1081)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=202) at cancellation.c:49 #2 0x00007f7bf5c9381c in __futex_abstimed_wait_common64 (private=<optimized out>, futex_word=<optimized out>, expected=<optimized out>, op=<optimized out>, abstime=<optimized out>, cancel=<optimized out>) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=<optimized out>, expected=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, private=<optimized out>, cancel=<optimized out>) at futex-internal.c:87 #4 0x00007f7bf5c95ede in __pthread_cond_wait_common (cond=0x55e9a187f4b8, mutex=0x55e9a187f490, clockid=0, abstime=0x0) at pthread_cond_wait.c:421 #5 ___pthread_cond_wait (cond=0x55e9a187f4b8, mutex=0x55e9a187f490) at pthread_cond_wait.c:453 #6 0x00007f7bf60daea1 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 #7 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 #8 std::condition_variable::wait (this=<optimized out>, __lock=...) at /usr/src/debug/gcc/gcc/libstdc++-v3/src/c++11/condition_variable.cc:41 #9 0x00007f7bf9472284 in KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, QString const&)::{lambda()#1}::operator()() const () at /usr/src/debug/kwin/kwin-6.4.5/src/backends/drm/drm_commit_thread.cpp:45 #10 0x00007f7bf947284a in std::__invoke_impl<void, KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> > (__f=...) at /usr/include/c++/15.2.1/bits/invoke.h:63 #11 std::__invoke<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> > (__fn=...) at /usr/include/c++/15.2.1/bits/invoke.h:98 #12 std::invoke<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> > (__fn=...) at /usr/include/c++/15.2.1/functional:122 #13 operator()<> (__closure=<optimized out>) at /usr/include/qt6/QtCore/qthread.h:138 #14 std::__invoke_impl<void, QThread::create<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> >(KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()>&&)::<lambda(auto:53&& ...)> > (__f=...) at /usr/include/c++/15.2.1/bits/invoke.h:63 #15 std::__invoke<QThread::create<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> >(KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()>&&)::<lambda(auto:53&& ...)> > (__fn=...) at /usr/include/c++/15.2.1/bits/invoke.h:98 #16 std::thread::_Invoker<std::tuple<QThread::create<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> >(KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()>&&)::<lambda(auto:53&& ...)> > >::_M_invoke<0> (this=<optimized out>) at /usr/include/c++/15.2.1/bits/std_thread.h:303 #17 std::thread::_Invoker<std::tuple<QThread::create<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> >(KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()>&&)::<lambda(auto:53&& ...)> > >::operator() (this=<optimized out>) at /usr/include/c++/15.2.1/bits/std_thread.h:310 #18 std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<void>, std::__future_base::_Result_base::_Deleter>, std::thread::_Invoker<std::tuple<QThread::create<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> >(KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()>&&)::<lambda(auto:53&& ...)> > >, void>::operator() (this=0x7f7bdd4bba20) at /usr/include/c++/15.2.1/future:1441 #19 std::__invoke_impl<std::unique_ptr<std::__future_base::_Result<void>, std::__future_base::_Result_base::_Deleter>, std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<void>, std::__future_base::_Result_base::_Deleter>, std::thread::_Invoker<std::tuple<QThread::create<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> >(KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()>&&)::<lambda(auto:53&& ...)> > >, void>&> (__f=...) at /usr/include/c++/15.2.1/bits/invoke.h:63 #20 std::__invoke_r<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter>, std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<void>, std::__future_base::_Result_base::_Deleter>, std::thread::_Invoker<std::tuple<QThread::create<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> >(KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()>&&)::<lambda(auto:53&& ...)> > >, void>&> (__fn=...) at /usr/include/c++/15.2.1/bits/invoke.h:116 #21 std::_Function_handler<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter>(), std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<void>, std::__future_base::_Result_base::_Deleter>, std::thread::_Invoker<std::tuple<QThread::create<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> >(KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()>&&)::<lambda(auto:53&& ...)> > >, void> >::_M_invoke(const std::_Any_data &) (__functor=...) at /usr/include/c++/15.2.1/bits/std_function.h:293 #22 0x00007f7bf946b166 in std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter>()>::operator() (this=<optimized out>) at /usr/include/c++/15.2.1/bits/std_function.h:593 #23 std::__future_base::_State_baseV2::_M_do_set (this=0x55e9a1883af0, __f=<optimized out>, __did_set=0x7f7bdd4bb9d7) at /usr/include/c++/15.2.1/future:598 #24 0x00007f7bf5c9beb4 in __pthread_once_slow (once_control=0x55e9a1883b08, init_routine=0x7f7bf60e3c50 <std::__once_proxy()>) at pthread_once.c:116 #25 0x00007f7bf5c9bf29 in ___pthread_once (once_control=<optimized out>, init_routine=<optimized out>) at pthread_once.c:143 #26 0x00007f7bf946b3ff in __gthread_once (__once=0x55e9a1883b08, __func=<optimized out>) at /usr/include/c++/15.2.1/x86_64-pc-linux-gnu/bits/gthr-default.h:746 #27 std::call_once<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter>()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter>()>*, bool*> (__once=..., __f=@0x7f7bdd4bb9f0: (void (std::__future_base::_State_baseV2::*)(std::__future_base::_State_baseV2 * const, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter>()> *, bool *)) 0x7f7bf946b130 <std::__future_base::_State_baseV2::_M_do_set(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*)>) at /usr/include/c++/15.2.1/mutex:918 #28 std::__future_base::_State_baseV2::_M_set_result (this=0x55e9a1883af0, __res=..., __ignore_failure=true) at /usr/include/c++/15.2.1/future:437 #29 std::__future_base::_Deferred_state<std::thread::_Invoker<std::tuple<QThread::create<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()> >(KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, const QString&)::<lambda()>&&)::<lambda(auto:53&& ...)> > >, void>::_M_complete_async(void) (this=0x55e9a1883af0) at /usr/include/c++/15.2.1/future:1721 #30 0x00007f7bf6689a95 in std::__future_base::_State_baseV2::wait (this=0x55e9a1883af0) at /usr/include/c++/15.2.1/future:359 #31 std::__basic_future<void>::_M_get_result (this=0x55e9a18763b0) at /usr/include/c++/15.2.1/future:750 #32 std::future<void>::get (this=0x55e9a18763b0) at /usr/include/c++/15.2.1/future:922 #33 QThreadCreateThread::run (this=0x55e9a18763a0) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp:1365 #34 0x00007f7bf6720e92 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:434 #35 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:366 #36 QThreadPrivate::start (arg=0x55e9a18763a0) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:394 #37 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #38 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 8 (Thread 0x7f7bcd6326c0 (LWP 1096)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=271) at cancellation.c:49 #2 0x00007f7bf5c931f4 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=271) at cancellation.c:75 #3 0x00007f7bf5d0da36 in __GI_ppoll (fds=fds@entry=0x7f7bc00014e0, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42 #4 0x00007f7bf5311744 in ppoll (__fds=0x7f7bc00014e0, __nfds=1, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101 #5 g_main_context_poll_unlocked (priority=<optimized out>, context=0x7f7bc0000cd0, timeout_usec=<optimized out>, fds=0x7f7bc00014e0, n_fds=1) at ../glib/glib/gmain.c:4811 #6 g_main_context_iterate_unlocked (context=context@entry=0x7f7bc0000cd0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4485 #7 0x00007f7bf5311825 in g_main_context_iteration (context=0x7f7bc0000cd0, may_block=1) at ../glib/glib/gmain.c:4556 #8 0x00007f7bf683ffe2 in QEventDispatcherGlib::processEvents (this=0x7f7bc0000be0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399 #9 0x00007f7bf6574ca6 in QEventLoop::processEvents (this=0x7f7bcd631a70, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104 #10 QEventLoop::exec (this=0x7f7bcd631a70, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186 #11 0x00007f7bf668fbb4 in QThread::exec (this=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp:659 #12 QThread::run (this=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp:780 #13 0x00007f7bf6720e92 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:434 #14 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:366 #15 QThreadPrivate::start (arg=0x55e9a278cc10) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:394 #16 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #17 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 7 (Thread 0x7f7bcdffb6c0 (LWP 1095)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=202) at cancellation.c:49 #2 0x00007f7bf5c9381c in __futex_abstimed_wait_common64 (private=<optimized out>, futex_word=<optimized out>, expected=<optimized out>, op=<optimized out>, abstime=<optimized out>, cancel=<optimized out>) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=<optimized out>, expected=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, private=<optimized out>, cancel=<optimized out>) at futex-internal.c:87 #4 0x00007f7bf5c95ede in __pthread_cond_wait_common (cond=0x7f7bdc1215e0, mutex=0x7f7bdc1215b0, clockid=0, abstime=0x0) at pthread_cond_wait.c:421 #5 ___pthread_cond_wait (cond=0x7f7bdc1215e0, mutex=0x7f7bdc1215b0) at pthread_cond_wait.c:453 #6 0x00007f7bec96755e in cnd_wait () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:111 #7 0x00007f7bec9204bd in util_queue_thread_func () at ../mesa-25.2.4/src/util/u_queue.c:275 #8 0x00007f7bec96748d in impl_thrd_routine () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:43 #9 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #10 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 6 (Thread 0x7f7bceffd6c0 (LWP 1093)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=202) at cancellation.c:49 #2 0x00007f7bf5c9381c in __futex_abstimed_wait_common64 (private=<optimized out>, futex_word=<optimized out>, expected=<optimized out>, op=<optimized out>, abstime=<optimized out>, cancel=<optimized out>) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=<optimized out>, expected=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, private=<optimized out>, cancel=<optimized out>) at futex-internal.c:87 #4 0x00007f7bf5c95ede in __pthread_cond_wait_common (cond=0x7f7bdc3c65e0, mutex=0x7f7bdc3c65b0, clockid=0, abstime=0x0) at pthread_cond_wait.c:421 #5 ___pthread_cond_wait (cond=0x7f7bdc3c65e0, mutex=0x7f7bdc3c65b0) at pthread_cond_wait.c:453 #6 0x00007f7bec96755e in cnd_wait () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:111 #7 0x00007f7bec9204bd in util_queue_thread_func () at ../mesa-25.2.4/src/util/u_queue.c:275 #8 0x00007f7bec96748d in impl_thrd_routine () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:43 #9 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #10 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 5 (Thread 0x7f7bce7fc6c0 (LWP 1094)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=202) at cancellation.c:49 #2 0x00007f7bf5c9381c in __futex_abstimed_wait_common64 (private=<optimized out>, futex_word=<optimized out>, expected=<optimized out>, op=<optimized out>, abstime=<optimized out>, cancel=<optimized out>) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=<optimized out>, expected=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, private=<optimized out>, cancel=<optimized out>) at futex-internal.c:87 #4 0x00007f7bf5c95ede in __pthread_cond_wait_common (cond=0x55e9a2589638, mutex=0x55e9a2589608, clockid=0, abstime=0x0) at pthread_cond_wait.c:421 #5 ___pthread_cond_wait (cond=0x55e9a2589638, mutex=0x55e9a2589608) at pthread_cond_wait.c:453 #6 0x00007f7bec96755e in cnd_wait () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:111 #7 0x00007f7bec9204bd in util_queue_thread_func () at ../mesa-25.2.4/src/util/u_queue.c:275 #8 0x00007f7bec96748d in impl_thrd_routine () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:43 #9 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #10 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 4 (Thread 0x7f7bddcbd6c0 (LWP 1080)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=202) at cancellation.c:49 #2 0x00007f7bf5c9381c in __futex_abstimed_wait_common64 (private=<optimized out>, futex_word=<optimized out>, expected=<optimized out>, op=<optimized out>, abstime=<optimized out>, cancel=<optimized out>) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=<optimized out>, expected=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, private=<optimized out>, cancel=<optimized out>) at futex-internal.c:87 #4 0x00007f7bf5c95ede in __pthread_cond_wait_common (cond=0x55e9a181a8a8, mutex=0x55e9a181a878, clockid=0, abstime=0x0) at pthread_cond_wait.c:421 #5 ___pthread_cond_wait (cond=0x55e9a181a8a8, mutex=0x55e9a181a878) at pthread_cond_wait.c:453 #6 0x00007f7bec96755e in cnd_wait () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:111 #7 0x00007f7bec9204bd in util_queue_thread_func () at ../mesa-25.2.4/src/util/u_queue.c:275 #8 0x00007f7bec96748d in impl_thrd_routine () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:43 #9 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #10 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 3 (Thread 0x7f7beffff6c0 (LWP 1063)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=271) at cancellation.c:49 #2 0x00007f7bf5c931f4 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=271) at cancellation.c:75 #3 0x00007f7bf5d0da36 in __GI_ppoll (fds=fds@entry=0x55e9a167a730, nfds=nfds@entry=3, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42 #4 0x00007f7bf5311744 in ppoll (__fds=0x55e9a167a730, __nfds=3, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101 #5 g_main_context_poll_unlocked (priority=<optimized out>, context=0x7f7be8000cf0, timeout_usec=<optimized out>, fds=0x55e9a167a730, n_fds=3) at ../glib/glib/gmain.c:4811 #6 g_main_context_iterate_unlocked (context=context@entry=0x7f7be8000cf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4485 #7 0x00007f7bf5311825 in g_main_context_iteration (context=0x7f7be8000cf0, may_block=1) at ../glib/glib/gmain.c:4556 #8 0x00007f7bf683ffe2 in QEventDispatcherGlib::processEvents (this=0x7f7be8000be0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399 #9 0x00007f7bf6574ca6 in QEventLoop::processEvents (this=0x7f7befffea20, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104 #10 QEventLoop::exec (this=0x7f7befffea20, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186 #11 0x00007f7bf6688f06 in QThread::exec (this=this@entry=0x7f7bf769ad40 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp:659 #12 0x00007f7bf7616c2e in QDBusConnectionManager::run (this=0x7f7bf769ad40 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /usr/src/debug/qt6-base/qtbase/src/dbus/qdbusconnectionmanager.cpp:145 #13 0x00007f7bf6720e92 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:434 #14 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:366 #15 QThreadPrivate::start (arg=0x7f7bf769ad40 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:394 #16 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #17 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 2 (Thread 0x7f7bde4be6c0 (LWP 1079)): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007f7bf5c931ac in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=<optimized out>, a6=<optimized out>, nr=202) at cancellation.c:49 #2 0x00007f7bf5c9381c in __futex_abstimed_wait_common64 (private=<optimized out>, futex_word=<optimized out>, expected=<optimized out>, op=<optimized out>, abstime=<optimized out>, cancel=<optimized out>) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=<optimized out>, expected=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, private=<optimized out>, cancel=<optimized out>) at futex-internal.c:87 #4 0x00007f7bf5c95ede in __pthread_cond_wait_common (cond=0x55e9a182b2f0, mutex=0x55e9a182b2c0, clockid=0, abstime=0x0) at pthread_cond_wait.c:421 #5 ___pthread_cond_wait (cond=0x55e9a182b2f0, mutex=0x55e9a182b2c0) at pthread_cond_wait.c:453 #6 0x00007f7bec96755e in cnd_wait () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:111 #7 0x00007f7bec9204bd in util_queue_thread_func () at ../mesa-25.2.4/src/util/u_queue.c:275 #8 0x00007f7bec96748d in impl_thrd_routine () at ../mesa-25.2.4/src/c11/impl/threads_posix.c:43 #9 0x00007f7bf5c969cb in start_thread (arg=<optimized out>) at pthread_create.c:448 #10 0x00007f7bf5d1aa0c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 1 (Thread 0x7f7bf04c8a80 (LWP 1049)): [KCrash Handler] #4 KWin::RenderLayer::loop (this=0x0) at /usr/src/debug/kwin/kwin-6.4.5/src/core/renderlayer.cpp:90 #5 0x00007f7bf917a391 in KWin::Compositor::removeSuperLayer (this=0x55e9a1952770, layer=0x0) at /usr/src/debug/kwin/kwin-6.4.5/src/compositor.cpp:103 #6 0x00007f7bf65d466f 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 #7 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4157 #8 0x00007f7bf9407c6b in QMetaObject::activate<void, KWin::Output*> (sender=<optimized out>, mo=<optimized out>, local_signal_index=<optimized out>, ret=<optimized out>, sender=<optimized out>, mo=<optimized out>, local_signal_index=<optimized out>, ret=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs.h:306 #9 KWin::Workspace::outputRemoved (this=<optimized out>, _t1=<optimized out>) at /usr/src/debug/kwin/build/src/kwin_autogen/include/moc_workspace.cpp:662 #10 0x00007f7bf93f8e86 in KWin::Workspace::updateOutputs (this=this@entry=0x55e9a19f01a0, outputOrder=std::optional = {...}) at /usr/src/debug/kwin/kwin-6.4.5/src/workspace.cpp:1206 #11 0x00007f7bf93fba6d in KWin::Workspace::applyOutputConfiguration (this=this@entry=0x55e9a19f01a0, config=..., outputOrder=std::optional = {...}) at /usr/src/debug/kwin/kwin-6.4.5/src/workspace.cpp:426 #12 0x00007f7bf93fbe36 in KWin::Workspace::updateOutputConfiguration (this=this@entry=0x55e9a19f01a0) at /usr/src/debug/kwin/kwin-6.4.5/src/workspace.cpp:495 #13 0x00007f7bf93fc990 in KWin::Workspace::slotOutputBackendOutputsQueried (this=0x55e9a19f01a0) at /usr/src/debug/kwin/kwin-6.4.5/src/workspace.cpp:1127 #14 0x00007f7bf65d466f 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 #15 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4157 #16 0x00007f7bf9465e60 in KWin::DrmBackend::updateOutputs (this=this@entry=0x55e9a17a8b50) at /usr/src/debug/kwin/kwin-6.4.5/src/backends/drm/drm_backend.cpp:311 #17 0x00007f7bf9467be6 in KWin::DrmBackend::handleUdevEvent (this=0x55e9a17a8b50) at /usr/src/debug/kwin/kwin-6.4.5/src/backends/drm/drm_backend.cpp:214 #18 0x00007f7bf65d466f 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 #19 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4157 #20 0x00007f7bf65de9c0 in QMetaObject::activate<void, QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal> (sender=0x55e9a18811f0, mo=<optimized out>, local_signal_index=0, ret=0x0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs.h:306 #21 QSocketNotifier::activated (this=0x55e9a18811f0, _t1=..., _t2=<optimized out>, _t3=...) at /usr/src/debug/qt6-base/build/src/corelib/Core_autogen/include/moc_qsocketnotifier.cpp:161 #22 QSocketNotifier::event (this=0x55e9a18811f0, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qsocketnotifier.cpp:327 #23 0x00007f7bf7901dd0 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55e9a18811f0, e=0x7fff5cdff4c0) at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:3300 #24 0x00007f7bf6568678 in QCoreApplication::notifyInternal2 (receiver=0x55e9a18811f0, event=0x7fff5cdff4c0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1106 #25 0x00007f7bf6728f19 in QCoreApplication::sendEvent (receiver=<optimized out>, event=0x7fff5cdff4c0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1546 #26 QEventDispatcherUNIXPrivate::activateSocketNotifiers (this=this@entry=0x55e9a16eb310) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp:276 #27 0x00007f7bf6729c6b in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=..., flags@entry=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp:498 #28 0x00007f7bf731b073 in QUnixEventDispatcherQPA::processEvents (this=<optimized out>, flags=...) at /usr/src/debug/qt6-base/qtbase/src/gui/platform/unix/qunixeventdispatcher.cpp:27 #29 0x00007f7bf6574ca6 in QEventLoop::processEvents (this=0x7fff5cdff690, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104 #30 QEventLoop::exec (this=0x7fff5cdff690, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186 #31 0x00007f7bf656cd21 in QCoreApplication::exec () at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1449 #32 0x00007f7bf78fc5ea in QApplication::exec () at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:2567 #33 0x000055e99abfbd26 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kwin/kwin-6.4.5/src/main_wayland.cpp:635 Reported using DrKonqi
With the current code in 6.5, this crash can't happen anymore, so this should be fixed. If it happens again on Plasma 6.5, please reopen this!