Application: systemsettings5 (5.18.4) Qt Version: 5.12.8 Frameworks Version: 5.68.0 Operating System: Linux 5.4.0-31-generic x86_64 Windowing system: X11 Distribution: Ubuntu 20.04 LTS -- Information about the crash: - What I was doing when the application crashed: Changing display resolution on laptop screen with secondary monitor attached. Decided to discard resolution changes, crash when discarding. -- Backtrace: Application: System Settings (systemsettings5), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f92ec076800 (LWP 18873))] Thread 10 (Thread 0x7f92af0e4700 (LWP 18896)): #0 __GI___libc_read (nbytes=10, buf=0x7f92af0e3bde, fd=22) at ../sysdeps/unix/sysv/linux/read.c:26 #1 __GI___libc_read (fd=22, buf=0x7f92af0e3bde, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:24 #2 0x00007f92b8802955 in pa_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so #3 0x00007f92b8884416 in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #4 0x00007f92b8884eb4 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #5 0x00007f92b8884f70 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #6 0x00007f92b889311d in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #7 0x00007f92b883157c in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so #8 0x00007f92eeb43609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007f92eff96103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7f92d58b5700 (LWP 18883)): #0 __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:56 #1 0x00007f92eff89957 in __GI___poll (fds=0x7f92c00029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #2 0x00007f92ee25f1ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f92ee25f2e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f92f0525583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f92f04cc4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f92f0304785 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f92ef5b71a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #8 0x00007f92f03059d2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f92eeb43609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007f92eff96103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7f92d75af700 (LWP 18882)): #0 0x00007f92ee26ef10 in g_poll () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f92ee25f1ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f92ee25f2e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f92f0525583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f92f04cc4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f92f0304785 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f92ef5b71a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f92f03059d2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f92eeb43609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007f92eff96103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f92d7db0700 (LWP 18880)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561131382148) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5611313820f8, cond=0x561131382120) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x561131382120, mutex=0x5611313820f8) at pthread_cond_wait.c:638 #3 0x00007f92e266c3db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f92e266bfeb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f92eeb43609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007f92eff96103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f92e0f48700 (LWP 18879)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561131382148) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5611313820f8, cond=0x561131382120) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x561131382120, mutex=0x5611313820f8) at pthread_cond_wait.c:638 #3 0x00007f92e266c3db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f92e266bfeb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f92eeb43609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007f92eff96103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f92e1749700 (LWP 18878)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561131382148) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5611313820f8, cond=0x561131382120) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x561131382120, mutex=0x5611313820f8) at pthread_cond_wait.c:638 #3 0x00007f92e266c3db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f92e266bfeb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f92eeb43609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007f92eff96103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f92e1f4a700 (LWP 18877)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561131382148) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5611313820f8, cond=0x561131382120) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x561131382120, mutex=0x5611313820f8) at pthread_cond_wait.c:638 #3 0x00007f92e266c3db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f92e266bfeb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f92eeb43609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007f92eff96103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f92e92b3700 (LWP 18876)): #0 0x00007f92eff8996f in __GI___poll (fds=0x7f92dc015dd0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f92ee25f1ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f92ee25f2e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f92f0525583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f92f04cc4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f92f0304785 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f92f07a7efa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #7 0x00007f92f03059d2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f92eeb43609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007f92eff96103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f92eb1c1700 (LWP 18875)): #0 0x00007f92eff8996f in __GI___poll (fds=0x7f92eb1c0ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f92eeb00c1a in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f92eeb0290a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f92eb9a8298 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007f92f03059d2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f92eeb43609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007f92eff96103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f92ec076800 (LWP 18873)): [KCrash Handler] #6 0x00007f92ef980619 in QQuickWindowPrivate::queryPointerEventInstance(QQuickPointerDevice*, QEvent::Type) const () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f92ef980798 in QQuickWindow::mouseGrabberItem() const () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007f92ef982a7e in QQuickWindowPrivate::removeGrabber(QQuickItem*, bool, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007f92ef96db93 in QQuickItemPrivate::derefWindow() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #10 0x00007f92ef96fd86 in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #11 0x00007f92ef991d12 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #12 0x00007f92f04f9b74 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007f92ef96cca3 in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #14 0x00007f92f0f83a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #15 0x00007f92f0f8d0f0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #16 0x00007f92f04cd93a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007f92f04d05b8 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #18 0x00007f92f0525f67 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007f92ee25efbd in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #20 0x00007f92ee25f240 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #21 0x00007f92ee25f2e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #22 0x00007f92f0525565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #23 0x00007f92f04cc4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #24 0x00007f92f04d4246 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #25 0x0000561130e35856 in ?? () #26 0x00007f92efe9b0b3 in __libc_start_main (main=0x561130e35460, argc=1, argv=0x7ffdff879fb8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdff879fa8) at ../csu/libc-start.c:308 #27 0x0000561130e358de in _start () [Inferior 1 (process 18873) detached] The reporter indicates this bug may be a duplicate of or related to bug 411794. Possible duplicates by query: bug 420331, bug 419625, bug 417410, bug 416991, bug 413698. Reported using DrKonqi
Created attachment 130952 [details] New crash information added by DrKonqi systemsettings5 (5.18.4) using Qt 5.12.8 - What I was doing when the application crashed: Set display scaling from 100% to 200% Clicked on "Compositor" Chose to DISCARD scaling changes ---Crash is easily and consistently reproducable every single time -- Backtrace (Reduced): #6 0x00007f265a302619 in QQuickWindowPrivate::queryPointerEventInstance(QQuickPointerDevice*, QEvent::Type) const () from /lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f265a302798 in QQuickWindow::mouseGrabberItem() const () from /lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007f265a304a7e in QQuickWindowPrivate::removeGrabber(QQuickItem*, bool, bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007f265a2efb93 in QQuickItemPrivate::derefWindow() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5 #10 0x00007f265a2f1d86 in QQuickItem::~QQuickItem() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
*** Bug 423641 has been marked as a duplicate of this bug. ***
Thank you for the bug report. Unfortunately we were not able to get to it yet. Can we ask you to please check if this is still an issue with Plasma 5.25 or 5.26? If it is, please change the status to CONFIRMED when replying. If not, or if you can't because you no longer use this setup, you can change the status to RESOLVED WORKSFORME. Thanks a lot!
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging If you have already provided the requested information, please mark the bug as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!