Application: systemsettings5 (5.21.80)

Qt Version: 5.15.2
Frameworks Version: 5.80.0
Operating System: Linux 5.4.0-66-generic x86_64
Windowing System: X11
Drkonqi Version: 5.21.80
Distribution: KDE neon Unstable Edition

-- Information about the crash:
It happensa after update and reboot nothing else that i done

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault

[New LWP 1807]
[New LWP 1808]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007ff8a1c02aff in __GI___poll (fds=0x7ffcebd3ed68, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7ff89d9c78c0 (LWP 1805))]

Thread 3 (Thread 0x7ff897c61700 (LWP 1808)):
#0  0x00007ff8a1c02aff in __GI___poll (fds=0x7ff890004e60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff89fe8c18e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff89fe8c2c3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff8a231cfbb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff8a22c11ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff8a20dba12 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff8a0fecf4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007ff8a20dcbac in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff8a079c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007ff8a1c0f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7ff89ce03700 (LWP 1807)):
#0  0x00007ff8a1c02aff in __GI___poll (fds=0x7ff89ce02be8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff8a07e3c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ff8a07e590a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ff89d340d58 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007ff8a20dcbac in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff8a079c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ff8a1c0f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ff89d9c78c0 (LWP 1805)):
[KCrash Handler]
#4  0x00007ff8a2649268 in KConfigGroup::sync() () from /lib/x86_64-linux-gnu/libKF5ConfigCore.so.5
#5  0x00007ff8884ddcb8 in SidebarMode::~SidebarMode (this=0x55eba9bbafd0, __in_chrg=<optimized out>) at ./sidebar/SidebarMode.cpp:318
#6  0x00007ff8884ddd5d in SidebarMode::~SidebarMode (this=0x55eba9bbafd0, __in_chrg=<optimized out>) at ./sidebar/SidebarMode.cpp:316
#7  0x000055eba8590032 in KPluginFactory::create<BaseMode> (args=..., parent=0x55eba9a11e10, this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject.h:519
#8  SettingsBase::initApplication (this=0x55eba9a11e10) at ./app/SettingsBase.cpp:142
#9  0x00007ff8a22f0239 in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ff8a2f06bad in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007ff8a301f8c8 in QMainWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007ff8a3b2cc73 in KMainWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#13 0x00007ff8a3b7813b in KXmlGuiWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#14 0x00007ff8a2ec3dc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007ff8a2eccbb8 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007ff8a22c269a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007ff8a22c4fa1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007ff8a231d947 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007ff89fe8bf9d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007ff89fe8c220 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007ff89fe8c2c3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007ff8a231cfa2 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007ff8a22c11ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007ff8a22c9354 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x000055eba858b392 in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:222
[Inferior 1 (process 1805) detached]

The reporter indicates this bug may be a duplicate of or related to bug 434045.

Possible duplicates by query: bug 434083, bug 434048, bug 434045, bug 225025, bug 187894.

Reported using DrKonqi