Application: systemsettings5 (5.18.4)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.4.0-47-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:

i had just finished doing an update using Muon.
it finished ok. then, i tried to open System Settings.
it would crash each time.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fab7976d800 (LWP 72869))]

Thread 5 (Thread 0x7fab6355e700 (LWP 72875)):
#0  __GI___libc_read (nbytes=16, buf=0x7fab6355db70, fd=13) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=13, buf=0x7fab6355db70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fab7b9a089f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7b957cfe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab7b958152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fab7b9582e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fab7dc1e583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab7dbc54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab7d9fd785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab7ccb01a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fab7d9fe9d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fab7c23c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007fab7d68f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fab69670700 (LWP 72874)):
#0  0x00007fab7d682aff in __GI___poll (fds=0x7fab640025e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fab7b9581ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7b9582e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dc1e583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab7dbc54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab7d9fd785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab7ccb01a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab7d9fe9d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab7c23c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fab7d68f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fab73943700 (LWP 72872)):
#0  __GI___libc_read (nbytes=16, buf=0x7fab73942b60, fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=7, buf=0x7fab73942b60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fab7b9a089f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7b957cfe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab7b958152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fab7b9582e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fab7dc1e583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab7dbc54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab7d9fd785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab7dea0efa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007fab7d9fe9d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fab7c23c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007fab7d68f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fab788ba700 (LWP 72871)):
#0  0x00007fab7d682aff in __GI___poll (fds=0x7fab788b9ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fab7c1f9c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fab7c1fb90a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fab790c0298 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fab7d9fe9d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab7c23c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fab7d68f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fab7976d800 (LWP 72869)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007fab7d592859 in __GI_abort () at abort.c:79
#8  0x00007fab7d9c5aad in QMessageLogger::fatal(char const*, ...) const () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab7d35fb16 in ?? () from /lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#10 0x00007fab7d35fe72 in ?? () from /lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#11 0x00007fab7d362036 in QQuickWidget::resizeEvent(QResizeEvent*) () from /lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#12 0x00007fab7e6bf947 in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007fab7d362ce3 in QQuickWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#14 0x00007fab7e67ca66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fab7e6860f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fab7dbc693a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fab7e6b7e6e in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007fab7e6bbbd7 in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fab7e6bed6b in QWidgetPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fab7e6bbb61 in QWidgetPrivate::showChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007fab7e6bbbf3 in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007fab7e6bbb79 in QWidgetPrivate::showChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fab7e6bbbf3 in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007fab7e6bed6b in QWidgetPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007fab7e6bbb61 in QWidgetPrivate::showChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fab7e6bbbf3 in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007fab7e6bed6b in QWidgetPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00005577c61e884b in ?? ()
#29 0x00005577c61eb444 in ?? ()
#30 0x00007fab7dbff5b6 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fab7dbf2cf5 in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fab7e67ca66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007fab7e6860f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fab7dbc693a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007fab7dc1d8b0 in QTimerInfoList::activateTimers() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fab7dc1e19c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007fab7b957fbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007fab7b958240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007fab7b9582e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fab7dc1e565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007fab7dbc54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007fab7dbcd246 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00005577c61e5856 in ?? ()
#44 0x00007fab7d5940b3 in __libc_start_main (main=0x5577c61e5460, argc=1, argv=0x7ffc4ed6db48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc4ed6db38) at ../csu/libc-start.c:308
#45 0x00005577c61e58de in _start ()
[Inferior 1 (process 72869) detached]

The reporter indicates this bug may be a duplicate of or related to bug 426503.

Possible duplicates by query: bug 426875, bug 426830, bug 426503, bug 426114, bug 426019.

Reported using DrKonqi