Bug 421805

Summary: App crash. When changing from 40-60hz. monitor rate. (secondary screen) Kubuntu
Product: [Applications] systemsettings Reporter: Charlie Ramirez Animation Studios MX <todo.ciencia.y.electronica>
Component: kcm_kscreenAssignee: kscreen-bugs-null <kscreen-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: crash CC: kde, plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.18.4   
Target Milestone: ---   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Charlie Ramirez Animation Studios MX 2020-05-20 04:39:09 UTC 
Application: systemsettings5 (5.18.4)
 (Compiled from sources)
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:
The settings application closes abruptly when changing from 40 to 60hz. monitor refresh rate. On a secondary screen via VGA. on Kubuntu 20.04 Laptop.
- Custom settings of the application:
(Breeze)"Brisa Dark Theme" enabled. Secondary Screen [LCDTV] Set as principal. [Laptop Screen Disabled]. Scale at 125%.
Kubuntu 20.04 in Spanish. Plastik Window Theme.

The crash can be reproduced every time.

-- Backtrace:
Application: Preferencias del sistema (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fecbd2d3800 (LWP 1555))]

Thread 10 (Thread 0x7feca0a39700 (LWP 1570)):
#0  0x00007fecc11e696f in __GI___poll (fds=0x7fec880029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fecbf4bc1ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fecbf4bc2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fecc1782583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fecc17294db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fecc1561785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fecc08141a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fecc15629d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fecbfda0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fecc11f3103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7feca35ef700 (LWP 1567)):
#0  0x00007fecbf4bb6b8 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fecbf4bc0db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fecbf4bc2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fecc1782583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fecc17294db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fecc1561785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fecc08141a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fecc15629d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fecbfda0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fecc11f3103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fecb18a9700 (LWP 1566)):
#0  0x00007fecc11e696f in __GI___poll (fds=0x7fec900025e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fecbf4bc1ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fecbf4bc2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fecc1782583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fecc17294db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fecc1561785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fecc08141a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fecc15629d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fecbfda0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fecc11f3103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fecb27fc700 (LWP 1564)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c08294001c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c08293ffc8, cond=0x55c08293fff0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c08293fff0, mutex=0x55c08293ffc8) at pthread_cond_wait.c:638
#3  0x00007fecb8f6335b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fecb8f62f6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fecbfda0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fecc11f3103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fecb2ffd700 (LWP 1563)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c08294001c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c08293ffc8, cond=0x55c08293fff0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c08293fff0, mutex=0x55c08293ffc8) at pthread_cond_wait.c:638
#3  0x00007fecb8f6335b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fecb8f62f6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fecbfda0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fecc11f3103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fecb37fe700 (LWP 1562)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c08294001c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c08293ffc8, cond=0x55c08293fff0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c08293fff0, mutex=0x55c08293ffc8) at pthread_cond_wait.c:638
#3  0x00007fecb8f6335b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fecb8f62f6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fecbfda0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fecc11f3103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fecb3fff700 (LWP 1561)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c08294001c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c08293ffc8, cond=0x55c08293fff0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c08293fff0, mutex=0x55c08293ffc8) at pthread_cond_wait.c:638
#3  0x00007fecb8f6335b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fecb8f62f6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fecbfda0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fecc11f3103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fecbb2a7700 (LWP 1558)):
#0  __GI___libc_read (nbytes=16, buf=0x7fecbb2a6b60, fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=7, buf=0x7fecbb2a6b60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fecbf50489f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fecbf4bbcfe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fecbf4bc152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fecbf4bc2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fecc1782583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fecc17294db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fecc1561785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fecc1a04efa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007fecc15629d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fecbfda0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007fecc11f3103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fecbc192700 (LWP 1557)):
#0  0x00007fecc11e696f in __GI___poll (fds=0x7fecbc191ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fecbfd5dc1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fecbfd5f90a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fecbc996298 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fecc15629d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fecbfda0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fecc11f3103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fecbd2d3800 (LWP 1555)):
[KCrash Handler]
#6  0x00007feca0a8aad4 in KScreen::Mode::size() const () from /lib/x86_64-linux-gnu/libKF5Screen.so.7
#7  0x00007feca0bfa288 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_kscreen.so
#8  0x00007feca0bfe635 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_kscreen.so
#9  0x00007fecc058f808 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fecc076d3b0 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007fecc06a801c in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007fecc06a8abe in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fecc06a8c11 in QV4::QObjectWrapper::virtualPut(QV4::Managed*, QV4::PropertyKey, QV4::Value const&, QV4::Value*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007fecc066c20c in QV4::Object::virtualResolveLookupSetter(QV4::Object*, QV4::ExecutionEngine*, QV4::Lookup*, QV4::Value const&) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007fecc06c1421 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007fecc06c62c7 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007fecc065364f in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007fecc07dd587 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007fecc077c38c in QQmlBoundSignalExpression::evaluate(void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007fecc077d528 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007fecc07c074d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007fecc075c715 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007fecc1755bd3 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fecbb624e82 in QQuickComboBox::activated(int) () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#25 0x00007fecbb5be450 in ?? () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#26 0x00007fecc1756458 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fecbb5aeff8 in QQuickAbstractButtonPrivate::handleRelease(QPointF const&) () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#28 0x00007fecbb5cc939 in QQuickControl::mouseReleaseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#29 0x00007fecc0bc9ad8 in QQuickItem::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#30 0x00007fecc21e0a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007fecc21ea0f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007fecc172a93a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fecc0be4aed in QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#34 0x00007fecc0be5f71 in QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#35 0x00007fecc0be6c29 in QQuickWindowPrivate::handleMouseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#36 0x00007fecc1bba9ad in QWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#37 0x00007fecc0be8159 in QQuickWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#38 0x00007fecc21e0a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007fecc21ea0f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007fecc172a93a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007fecc0ec6b3b in QQuickWidget::mouseReleaseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#42 0x00007fecc22232b6 in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007fecc0ec6ce3 in QQuickWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#44 0x00007fecc21e0a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007fecc21ea343 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007fecc172a93a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x00007fecc21e9457 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#48 0x00007fecc223f35d in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#49 0x00007fecc22421ec in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#50 0x00007fecc21e0a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#51 0x00007fecc21ea0f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#52 0x00007fecc172a93a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#53 0x00007fecc1baf7d3 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#54 0x00007fecc1bb110b in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#55 0x00007fecc1b8b35b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#56 0x00007fecbc99732e in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#57 0x00007fecbf4bbfbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#58 0x00007fecbf4bc240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#59 0x00007fecbf4bc2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#60 0x00007fecc1782565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#61 0x00007fecc17294db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#62 0x00007fecc1731246 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#63 0x000055c081a5c856 in ?? ()
#64 0x00007fecc10f80b3 in __libc_start_main (main=0x55c081a5c460, argc=1, argv=0x7ffc5aa6cbf8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc5aa6cbe8) at ../csu/libc-start.c:308
#65 0x000055c081a5c8de in _start ()
[Inferior 1 (process 1555) detached]

The reporter indicates this bug may be a duplicate of or related to bug 416005.

Possible duplicates by query: bug 420937, bug 419876, bug 416691, bug 416005, bug 415687.

Reported using DrKonqi
Comment 1 David Edmundson 2020-06-24 23:01:44 UTC 

*** This bug has been marked as a duplicate of bug 416005 ***