https://bugs.kde.org/show_bug.cgi?id=480874
Bug ID: 480874
Summary: Kalarm crashed when alarm should have gone off
Classification: Applications
Product: kalarm
Version: unspecified
Platform: openSUSE
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: djar...@kde.org
Reporter: pallasw...@proton.me
Target Milestone: ---
Application: kalarm (3.6.3 (KDE Gear 23.08.4))
Qt Version: 5.15.12
Frameworks Version: 5.114.0
Operating System: Linux 6.7.2-1-default x86_64
Windowing System: Wayland
Distribution: "openSUSE Tumbleweed"
DrKonqi: 5.27.10 [KCrashBackend]
-- Information about the crash:
I was sitting at the PC at the time, watching a movie in the browser. I can see
a very large spike in CPU utilisation (it reached >20% so must have maxxed out
at least 2 cores to do this (it;s a 12C/24T CPU) and also a large spike in GPU
utilisation at the time of the intended alarm/the crash. No errors have been
recorded in pipewire, so it seems it never reached that stage. I also never saw
the popup. There was a brief visual 'glitch', seemed like the video dropped a
frame or two. I had tested the alarm during its setup and it worked, I have
rebooted since then but no change has been made to the system, and I restarted
the app immediately after the crash and the alarm went off immediately without
any problem. The GPU utilisation spiked in a similar manner, but the CPU spike
was small and what I'd consider 'normal'.
I've used Kalarm several times in a similar situation and never had any issue.
Please feel free to contact me if I can help in any way with this.
The crash does not seem to be reproducible.
-- Backtrace:
Application: KAlarm (kalarm), signal: Aborted
[KCrash Handler]
#4 0x00007f201ba91dec in __pthread_kill_implementation () at /lib64/libc.so.6
#5 0x00007f201ba3f0c6 in raise () at /lib64/libc.so.6
#6 0x00007f201ba268d7 in abort () at /lib64/libc.so.6
#7 0x00007f201d8f7bbd in () at /lib64/libpulse-mainloop-glib.so.0
#8 0x00007f201d8f8840 in pa_glib_mainloop_free () at
/lib64/libpulse-mainloop-glib.so.0
#9 0x00007f201e5d6f7f in Phonon::PulseSupport::~PulseSupport() () at
/lib64/libphonon4qt5.so.4
#10 0x00007f201e5d8888 in Phonon::PulseSupport::shutdown() () at
/lib64/libphonon4qt5.so.4
#11 0x00007f2008045d14 in () at
/usr/lib64/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#12 0x00007f201e5cb9d7 in () at /lib64/libphonon4qt5.so.4
#13 0x00007f201e5d182c in Phonon::MediaNodePrivate::backendObject() () at
/lib64/libphonon4qt5.so.4
#14 0x00007f201e5d1e96 in
Phonon::MediaObject::setCurrentSource(Phonon::MediaSource const&) () at
/lib64/libphonon4qt5.so.4
#15 0x00005655362d0a82 in ()
#16 0x00007f201c525832 in () at /lib64/libQt5Core.so.5
#17 0x00007f201c30223a in QThread::started(QThread::QPrivateSignal) () at
/lib64/libQt5Core.so.5
#18 0x00007f201c304266 in () at /lib64/libQt5Core.so.5
#19 0x00007f201ba8ff44 in start_thread () at /lib64/libc.so.6
#20 0x00007f201bb184ec in clone3 () at /lib64/libc.so.6
Thread 4 (Thread 0x7f200b4006c0 (LWP 11767) "WaylandEventThr"):
#1 0x00007f201b371396 in () at /lib64/libQt5WaylandClient.so.5
#2 0x00007f201c30427d in () at /lib64/libQt5Core.so.5
#3 0x00007f201ba8ff44 in start_thread () at /lib64/libc.so.6
#4 0x00007f201bb184ec in clone3 () at /lib64/libc.so.6
Thread 3 (Thread 0x7f200be006c0 (LWP 11766) "WaylandEventThr"):
#1 0x00007f201ba8f230 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2 0x00007f201c309afb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib64/libQt5Core.so.5
#3 0x00007f201b37133f in () at /lib64/libQt5WaylandClient.so.5
#4 0x00007f201c30427d in () at /lib64/libQt5Core.so.5
#5 0x00007f201ba8ff44 in start_thread () at /lib64/libc.so.6
#6 0x00007f201bb184ec in clone3 () at /lib64/libc.so.6
Thread 2 (Thread 0x7f20118006c0 (LWP 11765) "QDBusConnection"):
#1 0x00007f201a515aff in () at /lib64/libglib-2.0.so.0
#2 0x00007f201a51620c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3 0x00007f201c54688e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f201c4ec3cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f201c30304e in QThread::exec() () at /lib64/libQt5Core.so.5
#6 0x00007f201d186517 in () at /lib64/libQt5DBus.so.5
#7 0x00007f201c30427d in () at /lib64/libQt5Core.so.5
#8 0x00007f201ba8ff44 in start_thread () at /lib64/libc.so.6
#9 0x00007f201bb184ec in clone3 () at /lib64/libc.so.6
Thread 1 (Thread 0x7f2018a4aec0 (LWP 11761) "kalarm"):
#1 0x00007f201a515aff in () at /lib64/libglib-2.0.so.0
#2 0x00007f201a51620c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3 0x00007f201c54688e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f201c4ec3cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f201c4f4860 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#6 0x000056553621f966 in ()
#7 0x00007f201ba281b0 in __libc_start_call_main () at /lib64/libc.so.6
#8 0x00007f201ba28279 in __libc_start_main_impl () at /lib64/libc.so.6
#9 0x0000565536221295 in ()
[Inferior 1 (process 11761) detached]
Reported using DrKonqi
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