Bug 508765 - kwin crashes in KWin::ColorManagerV1::wp_color_manager_v1_get_output() when unplugging external monitors
Summary: kwin crashes in KWin::ColorManagerV1::wp_color_manager_v1_get_output() when u...
Status: RESOLVED FIXED
Alias: None
Product: kwin
Classification: Plasma
Component: general (other bugs)
Version First Reported In: 6.4.4
Platform: Fedora RPMs Linux
: NOR crash
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords: drkonqi, multiscreen
: 508369 509136 (view as bug list)
Depends on:
Blocks:
 
Reported: 2025-08-26 14:08 UTC by Roman Pletka
Modified: 2025-09-05 12:04 UTC (History)
3 users (show)

See Also:
Latest Commit:
Version Fixed/Implemented In: 6.5.0
Sentry Crash Report: https://crash-reports.kde.org/organizations/kde/issues/212105/events/8780d0920df4423aa56634f562c7a37e/


Attachments

Note You need to log in before you can comment on or make changes to this bug.
Description Roman Pletka 2025-08-26 14:08:32 UTC
Application: kwin_wayland (6.4.4)

ApplicationNotResponding [ANR]: false
Qt Version: 6.9.1
Frameworks Version: 6.17.0
Operating System: Linux 6.15.10-200.fc42.x86_64 x86_64
Windowing System: Wayland
Distribution: "Fedora Linux 42 (Workstation Edition)"
DrKonqi: 6.4.4 [CoredumpBackend]

-- Information about the crash:
I have 2 external monitors attached to my Thinkpad (USB-C, daisy-chained). Since my lastest update on Fedora 42, kwin and most applications (Firefox, Chrome, Thunderbird, Slack, ..) crash when I unplug the USB-C connector of my monitors.

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_wayland), signal: Segmentation fault


warning: Can't open file /memfd:xwayland-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-cursor (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:mozilla-ipc (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:JSGCHeap: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:JSVMStack:QtQml (deleted) during file-backed mapping note processing

warning: Can't open file /home/rap/.cache/plasma_theme_breeze-dark.kcache (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:JITCode:QtQml (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 /dev/shm/.com.google.Chrome.6G2foX (deleted) during file-backed mapping note processing
[New LWP 95720]
[New LWP 95730]
[New LWP 95747]
[New LWP 95774]
[New LWP 95775]
[New LWP 95749]
[New LWP 95751]
[New LWP 95780]
[New LWP 95748]
[New LWP 100042]
[New LWP 141110]
[New LWP 141136]
[New LWP 141111]
[New LWP 141109]
[New LWP 95777]
[New LWP 100041]
[New LWP 95776]
[New LWP 141108]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/bin/kwin_wayland --wayland-fd 8 --socket wayland-0 --xwayland-fd 9 --xwayland-fd 10 --xwayland-display :0 --xwayland-xauthority /run/user/1000/xauth_qyktKy --xwayland'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007ff345e8209c in __pthread_kill_implementation () from /lib64/libc.so.6
[Current thread is 1 (Thread 0x7ff3414b5b80 (LWP 95720))]
Cannot QML trace cores :(
[Current thread is 11 (Thread 0x7ff2e28776c0 (LWP 141110))]

Thread 18 (Thread 0x7ff2d97ff6c0 (LWP 141108)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f8a8 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff3466d3a26 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007ff3466d05f7 in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007ff3466c5b9f in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 17 (Thread 0x7ff306bfd6c0 (LWP 95776)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f69e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff32954e91d in cnd_wait () from /lib64/libgallium-25.1.7.so
#5  0x00007ff329507ffc in util_queue_thread_func () from /lib64/libgallium-25.1.7.so
#6  0x00007ff32954e84c in impl_thrd_routine () from /lib64/libgallium-25.1.7.so
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 16 (Thread 0x7ff29d5466c0 (LWP 100041)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f69e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff32954e91d in cnd_wait () from /lib64/libgallium-25.1.7.so
#5  0x00007ff329507ffc in util_queue_thread_func () from /lib64/libgallium-25.1.7.so
#6  0x00007ff32954e84c in impl_thrd_routine () from /lib64/libgallium-25.1.7.so
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 15 (Thread 0x7ff3063fc6c0 (LWP 95777)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f69e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff32954e91d in cnd_wait () from /lib64/libgallium-25.1.7.so
#5  0x00007ff329507ffc in util_queue_thread_func () from /lib64/libgallium-25.1.7.so
#6  0x00007ff32954e84c in impl_thrd_routine () from /lib64/libgallium-25.1.7.so
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 14 (Thread 0x7ff2e18126c0 (LWP 141109)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f8a8 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff3466d3a26 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007ff3466d05f7 in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007ff3466c5b9f in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 13 (Thread 0x7ff2c2dfe6c0 (LWP 141111)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f8a8 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff3466d3a26 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007ff3466d05f7 in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007ff3466c5b9f in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 12 (Thread 0x7ff2c95846c0 (LWP 141136)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f8a8 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff3466d3a26 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007ff3466d05f7 in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007ff3466c5b9f in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 11 (Thread 0x7ff2e28776c0 (LWP 141110)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f8a8 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff3466d3a26 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007ff3466d05f7 in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007ff3466c5b9f in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 10 (Thread 0x7ff29cd456c0 (LWP 100042)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f69e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff32954e91d in cnd_wait () from /lib64/libgallium-25.1.7.so
#5  0x00007ff329507ffc in util_queue_thread_func () from /lib64/libgallium-25.1.7.so
#6  0x00007ff32954e84c in impl_thrd_routine () from /lib64/libgallium-25.1.7.so
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 9 (Thread 0x7ff31bfff6c0 (LWP 95748)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f69e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff32954e91d in cnd_wait () from /lib64/libgallium-25.1.7.so
#5  0x00007ff329507ffc in util_queue_thread_func () from /lib64/libgallium-25.1.7.so
#6  0x00007ff32954e84c in impl_thrd_routine () from /lib64/libgallium-25.1.7.so
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 8 (Thread 0x7ff305bfb6c0 (LWP 95780)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7c9a4 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007ff345ef6136 in ppoll () from /lib64/libc.so.6
#4  0x00007ff34522e890 in g_main_context_iterate_unlocked.isra () from /lib64/libglib-2.0.so.0
#5  0x00007ff34522e953 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#6  0x00007ff34680f9ad in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#7  0x00007ff346507b03 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#8  0x00007ff34662808d in QThread::exec() () from /lib64/libQt6Core.so.6
#9  0x00007ff3466c5b9f in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#10 0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#11 0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 7 (Thread 0x7ff31affd6c0 (LWP 95751)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7c9a4 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007ff345ef6136 in ppoll () from /lib64/libc.so.6
#4  0x00007ff34522e890 in g_main_context_iterate_unlocked.isra () from /lib64/libglib-2.0.so.0
#5  0x00007ff34522e953 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#6  0x00007ff34680f9ad in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#7  0x00007ff346507b03 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#8  0x00007ff34662808d in QThread::exec() () from /lib64/libQt6Core.so.6
#9  0x00007ff3466c5b9f in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#10 0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#11 0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 6 (Thread 0x7ff31b7fe6c0 (LWP 95749)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f69e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff346044dc0 in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /lib64/libstdc++.so.6
#5  0x00007ff34954cd7f in KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, QString const&)::{lambda()#1}::operator()() const () from /lib64/libkwin.so.6
#6  0x00007ff34954d34a in 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*, QString const&)::{lambda()#1}>(KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, QString const&)::{lambda()#1}&&)::{lambda((auto:1&&)...)#1}> >, void> >::_M_invoke(std::_Any_data const&) () from /lib64/libkwin.so.6
#7  0x00007ff349545d46 in 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*) () from /lib64/libkwin.so.6
#8  0x00007ff345e854d4 in __pthread_once_slow.isra.0 () from /lib64/libc.so.6
#9  0x00007ff345e85549 in pthread_once@GLIBC_2.2.5 () from /lib64/libc.so.6
#10 0x00007ff349545fc3 in std::__future_base::_Deferred_state<std::thread::_Invoker<std::tuple<QThread::create<KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, QString const&)::{lambda()#1}>(KWin::DrmCommitThread::DrmCommitThread(KWin::DrmGpu*, QString const&)::{lambda()#1}&&)::{lambda((auto:1&&)...)#1}> >, void>::_M_complete_async() [clone .lto_priv.0] () from /lib64/libkwin.so.6
#11 0x00007ff346628667 in QThreadCreateThread::run() () from /lib64/libQt6Core.so.6
#12 0x00007ff3466c5b9f in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#13 0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#14 0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 5 (Thread 0x7ff3073fe6c0 (LWP 95775)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f69e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff32954e91d in cnd_wait () from /lib64/libgallium-25.1.7.so
#5  0x00007ff329507ffc in util_queue_thread_func () from /lib64/libgallium-25.1.7.so
#6  0x00007ff32954e84c in impl_thrd_routine () from /lib64/libgallium-25.1.7.so
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 4 (Thread 0x7ff307bff6c0 (LWP 95774)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f69e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff32954e91d in cnd_wait () from /lib64/libgallium-25.1.7.so
#5  0x00007ff329507ffc in util_queue_thread_func () from /lib64/libgallium-25.1.7.so
#6  0x00007ff32954e84c in impl_thrd_routine () from /lib64/libgallium-25.1.7.so
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 3 (Thread 0x7ff330f166c0 (LWP 95747)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7cfcc in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007ff345e7f69e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007ff32954e91d in cnd_wait () from /lib64/libgallium-25.1.7.so
#5  0x00007ff329507ffc in util_queue_thread_func () from /lib64/libgallium-25.1.7.so
#6  0x00007ff32954e84c in impl_thrd_routine () from /lib64/libgallium-25.1.7.so
#7  0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#8  0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 2 (Thread 0x7ff3323ff6c0 (LWP 95730)):
#0  0x00007ff345e88642 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007ff345e7c95a in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007ff345e7c9a4 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007ff345ef6136 in ppoll () from /lib64/libc.so.6
#4  0x00007ff34522e890 in g_main_context_iterate_unlocked.isra () from /lib64/libglib-2.0.so.0
#5  0x00007ff34522e953 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#6  0x00007ff34680f9ad in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#7  0x00007ff346507b03 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#8  0x00007ff34662808d in QThread::exec() () from /lib64/libQt6Core.so.6
#9  0x00007ff34774c821 in QDBusConnectionManager::run() () from /lib64/libQt6DBus.so.6
#10 0x00007ff3466c5b9f in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#11 0x00007ff345e80154 in start_thread () from /lib64/libc.so.6
#12 0x00007ff345f02cac in __clone3 () from /lib64/libc.so.6

Thread 1 (Thread 0x7ff3414b5b80 (LWP 95720)):
[KCrash Handler]
#4  0x00007ff3495d6f89 in KWin::ColorManagerV1::wp_color_manager_v1_get_output(QtWaylandServer::wp_color_manager_v1::Resource*, unsigned int, wl_resource*) () from /lib64/libkwin.so.6
#5  0x00007ff344842056 in ffi_call_unix64 () from /lib64/libffi.so.8
#6  0x00007ff34483dd08 in ffi_call_int.lto_priv () from /lib64/libffi.so.8
#7  0x00007ff34484070e in ffi_call () from /lib64/libffi.so.8
#8  0x00007ff3463e2440 in wl_closure_invoke.constprop () from /lib64/libwayland-server.so.0
#9  0x00007ff3463e7aa0 in wl_client_connection_data () from /lib64/libwayland-server.so.0
#10 0x00007ff3463e5f42 in wl_event_loop_dispatch () from /lib64/libwayland-server.so.0
#11 0x00007ff3495e3669 in KWin::Display::dispatchEvents() () from /lib64/libkwin.so.6
#12 0x00007ff3465657ba in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt6Core.so.6
#13 0x00007ff346574593 in QSocketNotifier::activated(QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) () from /lib64/libQt6Core.so.6
#14 0x00007ff346574d6b in QSocketNotifier::event(QEvent*) () from /lib64/libQt6Core.so.6
#15 0x00007ff34783d97f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt6Widgets.so.6
#16 0x00007ff3464f9f38 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt6Core.so.6
#17 0x00007ff3466c8447 in QEventDispatcherUNIXPrivate::activateSocketNotifiers() () from /lib64/libQt6Core.so.6
#18 0x00007ff3466c8d79 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#19 0x00007ff3472e0442 in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Gui.so.6
#20 0x00007ff346507b03 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#21 0x00007ff346503419 in QCoreApplication::exec() () from /lib64/libQt6Core.so.6
#22 0x000055965098c6db in main ()

Reported using DrKonqi
Comment 1 Nate Graham 2025-08-26 19:48:28 UTC
Fixed by Arnav Rawat with https://invent.kde.org/plasma/kwin/-/commit/172f8f2e71d93a27f23586587d9cf86cbfee8615 in Plasma 6.5.0!
Comment 2 Zamundaaa 2025-09-05 12:04:27 UTC
*** Bug 509136 has been marked as a duplicate of this bug. ***
Comment 3 Zamundaaa 2025-09-05 12:04:50 UTC
*** Bug 508369 has been marked as a duplicate of this bug. ***