Application: kalarm (3.5.1 (KDE Gear 22.08.1))
 (Compiled from sources)
Qt Version: 5.15.6
Frameworks Version: 5.98.0
Operating System: Linux 5.15.0-48-generic x86_64
Windowing System: Wayland
Distribution: KDE neon User - 5.25
DrKonqi: 5.25.5 [KCrashBackend]

-- Information about the crash:
KAlarm crushed after running.
KDE plasma: 5.25.5
KDE Framework: 5.98.0
QT Version: 5.15.6
Wayland

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: KAlarm (kalarm), signal: Segmentation fault

[New LWP 5186]
[New LWP 5187]
[New LWP 5188]
[New LWP 5189]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007fd7b73a499f in __GI___poll (fds=0x7ffc2fdb12f8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7fd7b2c079c0 (LWP 5184))]

Thread 5 (Thread 0x7fd7a0927700 (LWP 5189)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b3de8232a8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b3de823258, cond=0x55b3de823280) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b3de823280, mutex=0x55b3de823258) at pthread_cond_wait.c:647
#3  0x00007fd7a0d145eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fd7a0d141eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fd7b64b2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fd7b73b1133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fd7b094d700 (LWP 5188)):
#0  0x00007fd7b73a499f in __GI___poll (fds=0x7fd7b094cbe0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd7b655fd66 in ?? () from /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#2  0x00007fd7b7736543 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fd7b64b2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#4  0x00007fd7b73b1133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fd7b114e700 (LWP 5187)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b3de549900) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b3de5498b0, cond=0x55b3de5498d8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b3de5498d8, mutex=0x55b3de5498b0) at pthread_cond_wait.c:647
#3  0x00007fd7b773c5eb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd7b655fd0d in ?? () from /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#5  0x00007fd7b7736543 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd7b64b2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fd7b73b1133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fd7b23cb700 (LWP 5186)):
#0  0x00007fd7b73a499f in __GI___poll (fds=0x7fd7ac0053c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd7b5a5536e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd7b5a554a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd7b7977b9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd7b791bb3b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd7b7735342 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd7b7bd9f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fd7b7736543 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fd7b64b2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fd7b73b1133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fd7b2c079c0 (LWP 5184)):
[KCrash Handler]
#4  0x00007fd7b80a35e4 in QWindow::transientParent() const () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#5  0x00007fd7b80a4bda in QWindow::isAncestorOf(QWindow const*, QWindow::AncestorMode) const () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#6  0x00007fd7b887ff66 in QApplicationPrivate::isWindowBlocked(QWindow*, QWindow**) const () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#7  0x00007fd7b8096fcc in QGuiApplicationPrivate::showModalWindow(QWindow*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#8  0x00007fd7b80a9d93 in QWindowPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#9  0x00007fd7b88b6f6e in QWidgetPrivate::show_sys() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007fd7b88c076f in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007fd7b88c3853 in QWidgetPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x000055b3dde4fa06 in ?? ()
#13 0x000055b3dde0e413 in ?? ()
#14 0x00007fd7b79542f2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fd7b9164c5b in KDBusService::activateRequested(QStringList const&, QString const&) () from /lib/x86_64-linux-gnu/libKF5DBusAddons.so.5
#16 0x00007fd7b9168548 in KDBusService::Activate(QMap<QString, QVariant> const&) () from /lib/x86_64-linux-gnu/libKF5DBusAddons.so.5
#17 0x00007fd7b917b783 in ?? () from /lib/x86_64-linux-gnu/libKF5DBusAddons.so.5
#18 0x00007fd7b7be6533 in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#19 0x00007fd7b7beba78 in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#20 0x00007fd7b7bec34e in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#21 0x00007fd7b7bef0cc in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#22 0x00007fd7b794ad09 in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fd7b8880e43 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007fd7b8889c58 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007fd7b791d03a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fd7b791f941 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fd7b7978527 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007fd7b5a5517d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fd7b5a55400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fd7b5a554a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fd7b7977b82 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fd7b791bb3b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fd7b7923ce4 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x000055b3ddd5cea2 in ?? ()
#35 0x00007fd7b72b6083 in __libc_start_main (main=0x55b3ddd5c9e0, argc=2, argv=0x7ffc2fdb3008, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc2fdb2ff8) at ../csu/libc-start.c:308
#36 0x000055b3ddd5d8fe in ?? ()
[Inferior 1 (process 5184) detached]

Reported using DrKonqi