Bug 415435

Summary: system settings crashes when switching over to window decorations from gnome/gtk application styles
Product: [Applications] systemsettings Reporter: Bob S. Galbert <bobsgalbert>
Component: generalAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash CC: isma.af
Priority: NOR Keywords: drkonqi
Version: 5.17.4   
Target Milestone: ---   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Bob S. Galbert 2019-12-21 19:30:28 UTC 
Application: systemsettings5 (5.17.4)
 (Compiled from sources)
Qt Version: 5.13.2
Frameworks Version: 5.65.0
Operating System: Linux 5.4.5-arch1-1 x86_64
Distribution: Arch Linux

-- Information about the crash:
- What I was doing when the application crashed:
So i went to Systems Settings > Applications Styles > GNOME/GTK application styles and then i switched over to window decorations

- Unusual behavior I noticed:
It was taking a while to switch from GTK application styles to window decorations

- Custom settings of the application:

Nothing?

The crash can be reproduced sometimes.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff87f68ad40 (LWP 8983))]

Thread 11 (Thread 0x7ff851299700 (LWP 9032)):
#0  0x00007ff883aff9ef in poll () at /usr/lib/libc.so.6
#1  0x00007ff881b21120 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007ff881b211f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff8840a4b2c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ff88404b83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ff883e7d305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ff883183449 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007ff883e7e530 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007ff88271b4cf in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007ff883b0a2d3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7ff853fff700 (LWP 9030)):
#0  0x00007ff883e7ea1f in QMutex::unlock() () at /usr/lib/libQt5Core.so.5
#1  0x00007ff8840a4a31 in  () at /usr/lib/libQt5Core.so.5
#2  0x00007ff881b20a00 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff881b21046 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007ff881b211f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007ff8840a4b2c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007ff88404b83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007ff883e7d305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007ff883183449 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007ff883e7e530 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007ff88271b4cf in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007ff883b0a2d3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7ff85aac5700 (LWP 8995)):
#0  0x00007ff881ad14e4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007ff881b1f15b in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#2  0x00007ff881b211b1 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff881b211f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007ff8840a4b2c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ff88404b83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007ff883e7d305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007ff883183449 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007ff883e7e530 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff88271b4cf in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff883b0a2d3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7ff874ba2700 (LWP 8992)):
#0  0x00007ff881b18632 in g_source_ref () at /usr/lib/libglib-2.0.so.0
#1  0x00007ff881b1f662 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007ff881b2093b in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff881b21046 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007ff881b211f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007ff8840a4b2c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007ff88404b83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007ff883e7d305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007ff883183449 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007ff883e7e530 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007ff88271b4cf in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007ff883b0a2d3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7ff87566e700 (LWP 8990)):
#0  0x00007ff882721c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff877507d0c in  () at /usr/lib/dri/i965_dri.so
#2  0x00007ff877507908 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007ff88271b4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007ff883b0a2d3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7ff875e6f700 (LWP 8989)):
#0  0x00007ff882721c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff877507d0c in  () at /usr/lib/dri/i965_dri.so
#2  0x00007ff877507908 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007ff88271b4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007ff883b0a2d3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7ff876670700 (LWP 8988)):
#0  0x00007ff882721c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff877507d0c in  () at /usr/lib/dri/i965_dri.so
#2  0x00007ff877507908 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007ff88271b4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007ff883b0a2d3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7ff876e71700 (LWP 8987)):
#0  0x00007ff882721c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff877507d0c in  () at /usr/lib/dri/i965_dri.so
#2  0x00007ff877507908 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007ff88271b4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007ff883b0a2d3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7ff87d4b4700 (LWP 8986)):
#0  0x00007ff883afb42c in read () at /usr/lib/libc.so.6
#1  0x00007ff881ad19f0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007ff881b1f9e1 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff881b210c8 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007ff881b211f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007ff8840a4b2c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007ff88404b83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007ff883e7d305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007ff8842deb37 in  () at /usr/lib/libQt5DBus.so.5
#9  0x00007ff883e7e530 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007ff88271b4cf in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007ff883b0a2d3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7ff87e86c700 (LWP 8985)):
#0  0x00007ff883aff9ef in poll () at /usr/lib/libc.so.6
#1  0x00007ff8826da630 in  () at /usr/lib/libxcb.so.1
#2  0x00007ff8826dc2db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007ff87f25c0c1 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007ff883e7e530 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007ff88271b4cf in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007ff883b0a2d3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7ff87f68ad40 (LWP 8983)):
[KCrash Handler]
#6  0x00007ff883ef8a96 in QtSharedPointer::ExternalRefCountData::getAndRef(QObject const*) () at /usr/lib/libQt5Core.so.5
#7  0x00007ff88314dfd8 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007ff88315c202 in QV4::QmlListWrapper::toVariant() const () at /usr/lib/libQt5Qml.so.5
#9  0x00007ff88309c726 in  () at /usr/lib/libQt5Qml.so.5
#10 0x00007ff88309cba5 in QV4::ExecutionEngine::toVariant(QV4::Value const&, int, bool) () at /usr/lib/libQt5Qml.so.5
#11 0x00007ff883156e30 in QQmlBinding::slowWrite(QQmlPropertyData const&, QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#12 0x00007ff883158c71 in  () at /usr/lib/libQt5Qml.so.5
#13 0x00007ff88315982d in  () at /usr/lib/libQt5Qml.so.5
#14 0x00007ff883155f74 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#15 0x00007ff883164a8e in QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at /usr/lib/libQt5Qml.so.5
#16 0x00007ff8830e5472 in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () at /usr/lib/libQt5Qml.so.5
#17 0x00007ff8830e5594 in QQmlComponentPrivate::completeCreate() () at /usr/lib/libQt5Qml.so.5
#18 0x00007ff8830e5376 in QQmlComponent::create(QQmlContext*) () at /usr/lib/libQt5Qml.so.5
#19 0x00007ff8512bee01 in  () at /usr/lib/qt/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#20 0x00007ff85297854c in  () at /usr/lib/qt/qml/org/kde/kwin/private/kdecoration/libkdecorationprivatedeclarative.so
#21 0x00007ff883164c6d in QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at /usr/lib/libQt5Qml.so.5
#22 0x00007ff8830ea80b in  () at /usr/lib/libQt5Qml.so.5
#23 0x00007ff8830ead73 in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () at /usr/lib/libQt5Qml.so.5
#24 0x00007ff8831d4e90 in  () at /usr/lib/libQt5Qml.so.5
#25 0x00007ff8831d5035 in QQmlDelegateModel::object(int, QQmlIncubator::IncubationMode) () at /usr/lib/libQt5Qml.so.5
#26 0x00007ff88362a416 in  () at /usr/lib/libQt5Quick.so.5
#27 0x00007ff88361dfee in  () at /usr/lib/libQt5Quick.so.5
#28 0x00007ff88362b674 in  () at /usr/lib/libQt5Quick.so.5
#29 0x00007ff88362e2d1 in  () at /usr/lib/libQt5Quick.so.5
#30 0x00007ff88362e47d in QQuickItemView::modelUpdated(QQmlChangeSet const&, bool) () at /usr/lib/libQt5Quick.so.5
#31 0x00007ff88362f95d in  () at /usr/lib/libQt5Quick.so.5
#32 0x00007ff884078ac1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#33 0x00007ff8831adaa7 in QQmlInstanceModel::modelUpdated(QQmlChangeSet const&, bool) () at /usr/lib/libQt5Qml.so.5
#34 0x00007ff8831c9f89 in  () at /usr/lib/libQt5Qml.so.5
#35 0x00007ff8831d0f62 in  () at /usr/lib/libQt5Qml.so.5
#36 0x00007ff8831d1378 in  () at /usr/lib/libQt5Qml.so.5
#37 0x00007ff8831db43a in QQmlDelegateModel::_q_modelReset() () at /usr/lib/libQt5Qml.so.5
#38 0x00007ff8831db9b9 in  () at /usr/lib/libQt5Qml.so.5
#39 0x00007ff8831dbd63 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/libQt5Qml.so.5
#40 0x00007ff884078b7d in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#41 0x00007ff883feff0b in QAbstractItemModel::modelReset(QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#42 0x00007ff884020925 in  () at /usr/lib/libQt5Core.so.5
#43 0x00007ff884025238 in  () at /usr/lib/libQt5Core.so.5
#44 0x00007ff884078ac1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#45 0x00007ff883feff0b in QAbstractItemModel::modelReset(QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#46 0x00007ff8529e24f8 in  () at /usr/lib/qt/plugins/kcms/kcm_kwindecoration.so
#47 0x00007ff8840794fa in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#48 0x00007ff884aa24e5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#49 0x00007ff884aabe11 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#50 0x00007ff88404cd12 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#51 0x00007ff88404fa89 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#52 0x00007ff8840a5514 in  () at /usr/lib/libQt5Core.so.5
#53 0x00007ff881b1f39e in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#54 0x00007ff881b211b1 in  () at /usr/lib/libglib-2.0.so.0
#55 0x00007ff881b211f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#56 0x00007ff8840a4b13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#57 0x00007ff88404b83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#58 0x00007ff884053676 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#59 0x000055c779eab475 in  ()
#60 0x00007ff883a32153 in __libc_start_main () at /usr/lib/libc.so.6
#61 0x000055c779eab4fe in _start ()
[Inferior 1 (process 8983) detached]

Possible duplicates by query: bug 415396, bug 415339, bug 415237, bug 415228, bug 415205.

Reported using DrKonqi
Comment 1 Ismael Asensio 2019-12-21 20:48:42 UTC 

*** This bug has been marked as a duplicate of bug 411166 ***