https://bugs.kde.org/show_bug.cgi?id=414931
Bug ID: 414931
Summary: System Settings crashes when opening "Window
Decorations" tab
Product: systemsettings
Version: 5.17.4
Platform: unspecified
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: k...@gatech.edu
Target Milestone: ---
Application: systemsettings5 (5.17.4)
Qt Version: 5.13.2
Frameworks Version: 5.64.0
Operating System: Linux 5.4.2-050402-generic x86_64
Distribution: KDE neon User Edition 5.17
-- Information about the crash:
- What I was doing when the application crashed:
Opened System Settings, clicked on "Application Style", then clicked on "Window
Decorations". System Settings crashed.
The crash can be reproduced sometimes.
-- 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 0x7f6bec59b800 (LWP 3465))]
Thread 9 (Thread 0x7f6b9bfff700 (LWP 27316)):
#0 0x00007f6be7b000b4 in read () at /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f6be0fbd2d0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f6be0f780b7 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f6be0f78570 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f6be0f786dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f6be8457b9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f6b94000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6 0x00007f6be83f806a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f6b9bffed80, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#7 0x00007f6be82133aa in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:531
#8 0x00007f6be5fb7815 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9 0x00007f6be8214b52 in QThreadPrivate::start(void*) (arg=0x558541b65180) at
thread/qthread_unix.cpp:360
#10 0x00007f6be33376db in start_thread () at
/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f6be7b1188f in clone () at /lib/x86_64-linux-gnu/libc.so.6
Thread 8 (Thread 0x7f6ba7fff700 (LWP 27315)):
#0 0x00007f6be0f7550a in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f6be0f77ef2 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f6be0f78570 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f6be0f786dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f6be8457b9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f6b9c17a620, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5 0x00007f6be83f806a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f6ba7ffed80, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#6 0x00007f6be82133aa in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:531
#7 0x00007f6be5fb7815 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f6be8214b52 in QThreadPrivate::start(void*) (arg=0x558541e7e100) at
thread/qthread_unix.cpp:360
#9 0x00007f6be33376db in start_thread () at
/lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007f6be7b1188f in clone () at /lib/x86_64-linux-gnu/libc.so.6
Thread 7 (Thread 0x7f6bad1d6700 (LWP 3485)):
#0 0x00007f6be0f77d0c in g_main_context_query () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f6be0f78547 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f6be0f78962 in g_main_loop_run () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f6bae5930e6 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4 0x00007f6be0fa0195 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f6be33376db in start_thread () at
/lib/x86_64-linux-gnu/libpthread.so.0
#6 0x00007f6be7b1188f in clone () at /lib/x86_64-linux-gnu/libc.so.6
Thread 6 (Thread 0x7f6bad9d7700 (LWP 3484)):
#0 0x00007f6be7b04bf9 in poll () at /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f6be0f785c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f6be0f786dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f6be0f78721 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f6be0fa0195 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f6be33376db in start_thread () at
/lib/x86_64-linux-gnu/libpthread.so.0
#6 0x00007f6be7b1188f in clone () at /lib/x86_64-linux-gnu/libc.so.6
Thread 5 (Thread 0x7f6bba423700 (LWP 3473)):
#0 0x00007f6be7b04bf9 in poll () at /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f6be0f785c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f6be0f786dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f6be8457b9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f6bb0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x00007f6be83f806a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f6bba422d80, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#5 0x00007f6be82133aa in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:531
#6 0x00007f6be5fb7815 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f6be8214b52 in QThreadPrivate::start(void*) (arg=0x55853a255750) at
thread/qthread_unix.cpp:360
#8 0x00007f6be33376db in start_thread () at
/lib/x86_64-linux-gnu/libpthread.so.0
#9 0x00007f6be7b1188f in clone () at /lib/x86_64-linux-gnu/libc.so.6
Thread 4 (Thread 0x7f6bc2e7d700 (LWP 3472)):
#0 0x00007f6be7b04bf9 in poll () at /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f6be0f785c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f6be0f786dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f6be8457b9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f6bb4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x00007f6be83f806a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f6bc2e7cd80, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#5 0x00007f6be82133aa in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:531
#6 0x00007f6be5fb7815 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f6be8214b52 in QThreadPrivate::start(void*) (arg=0x558539f26ea0) at
thread/qthread_unix.cpp:360
#8 0x00007f6be33376db in start_thread () at
/lib/x86_64-linux-gnu/libpthread.so.0
#9 0x00007f6be7b1188f in clone () at /lib/x86_64-linux-gnu/libc.so.6
Thread 3 (Thread 0x7f6bc4077700 (LWP 3469)):
#0 0x00007f6be333d9f3 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/x86_64-linux-gnu/libpthread.so.0
#1 0x00007f6bc548b2cb in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#2 0x00007f6bc548aff7 in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#3 0x00007f6be33376db in start_thread () at
/lib/x86_64-linux-gnu/libpthread.so.0
#4 0x00007f6be7b1188f in clone () at /lib/x86_64-linux-gnu/libc.so.6
Thread 2 (Thread 0x7f6bccaeb700 (LWP 3468)):
#0 0x00007f6be7b04bf9 in poll () at /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f6be0f785c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f6be0f786dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f6be8457b9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f6bc8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x00007f6be83f806a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f6bccaead70, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#5 0x00007f6be82133aa in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:531
#6 0x00007f6be88ce0e5 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7 0x00007f6be8214b52 in QThreadPrivate::start(void*) (arg=0x7f6be8b45d80) at
thread/qthread_unix.cpp:360
#8 0x00007f6be33376db in start_thread () at
/lib/x86_64-linux-gnu/libpthread.so.0
#9 0x00007f6be7b1188f in clone () at /lib/x86_64-linux-gnu/libc.so.6
Thread 1 (Thread 0x7f6bec59b800 (LWP 3465)):
[KCrash Handler]
#6 0x00007f6be8295406 in
std::__atomic_base<QtSharedPointer::ExternalRefCountData*>::load(std::memory_order)
const (__m=std::memory_order_relaxed, this=<optimized out>) at
/usr/include/c++/7/bits/atomic_base.h:713
#7 0x00007f6be8295406 in
std::atomic<QtSharedPointer::ExternalRefCountData*>::load(std::memory_order)
const (__m=std::memory_order_relaxed, this=<optimized out>) at
/usr/include/c++/7/atomic:452
#8 0x00007f6be8295406 in
QAtomicOps<QtSharedPointer::ExternalRefCountData*>::load<QtSharedPointer::ExternalRefCountData*>(std::atomic<QtSharedPointer::ExternalRefCountData*>
const&) (_q_value=...) at
../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:227
#9 0x00007f6be8295406 in
QBasicAtomicPointer<QtSharedPointer::ExternalRefCountData>::load() const
(this=<optimized out>) at
../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:239
#10 0x00007f6be8295406 in
QtSharedPointer::ExternalRefCountData::getAndRef(QObject const*) (obj=0x3) at
tools/qsharedpointer.cpp:1347
#11 0x00007f6be5f85514 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f6be5f938e2 in QV4::QmlListWrapper::toVariant() const () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f6be5ee00a8 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f6be5ee0284 in QV4::ExecutionEngine::toVariant(QV4::Value const&,
int, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f6be5f8e3a8 in QQmlBinding::slowWrite(QQmlPropertyData const&,
QQmlPropertyData const&, QV4::Value const&, bool,
QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f6be5f90335 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f6be5f90f77 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f6be5f8d543 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007f6be5f9c1a0 in
QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007f6be5f21f41 in QQmlComponentPrivate::complete(QQmlEnginePrivate*,
QQmlComponentPrivate::ConstructionState*) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007f6be5f22052 in QQmlComponentPrivate::completeCreate() () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007f6be5f21dfe in QQmlComponent::create(QQmlContext*) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007f6ba4265cd9 in () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#24 0x00007f6ba4bbebf1 in () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/private/kdecoration/libkdecorationprivatedeclarative.so
#25 0x00007f6be5f9c2f3 in
QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007f6be5f275b2 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007f6be5f27b4c in QQmlEnginePrivate::incubate(QQmlIncubator&,
QQmlContextData*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f6be6003a9e in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007f6be6003ba1 in QQmlDelegateModel::object(int,
QQmlIncubator::IncubationMode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007f6be66407cd in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#31 0x00007f6be6634476 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#32 0x00007f6be6641a97 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#33 0x00007f6be664475c in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#34 0x00007f6be6644914 in QQuickItemView::modelUpdated(QQmlChangeSet const&,
bool) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#35 0x00007f6be6645fd0 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#36 0x00007f6be842a8d5 in QMetaObject::activate(QObject*, int, int, void**)
(sender=0x558541f6e380, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3809
#37 0x00007f6be5fde366 in QQmlInstanceModel::modelUpdated(QQmlChangeSet const&,
bool) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#38 0x00007f6be5ffa2b8 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#39 0x00007f6be5ffffbf in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#40 0x00007f6be60003bc in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#41 0x00007f6be6008fcd in QQmlDelegateModel::_q_modelReset() () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#42 0x00007f6be6009405 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#43 0x00007f6be6009895 in QQmlDelegateModel::qt_metacall(QMetaObject::Call,
int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#44 0x00007f6be842a999 in QMetaObject::activate(QObject*, int, int, void**)
(sender=sender@entry=0x55853a104da0, signalOffset=<optimized out>,
local_signal_index=local_signal_index@entry=18, argv=<optimized out>,
argv@entry=0x7ffdcec63f00) at kernel/qobject.cpp:3825
#45 0x00007f6be842af97 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x55853a104da0, m=m@entry=0x7f6be88ae160
<QAbstractItemModel::staticMetaObject>,
local_signal_index=local_signal_index@entry=18, argv=argv@entry=0x7ffdcec63f00)
at kernel/qobject.cpp:3660
#46 0x00007f6be839594a in
QAbstractItemModel::modelReset(QAbstractItemModel::QPrivateSignal)
(this=this@entry=0x55853a104da0, _t1=...) at
.moc/moc_qabstractitemmodel.cpp:648
#47 0x00007f6be839753c in QAbstractItemModel::endResetModel()
(this=this@entry=0x55853a104da0) at itemmodels/qabstractitemmodel.cpp:3271
#48 0x00007f6be83c5902 in QSortFilterProxyModelPrivate::_q_sourceReset()
(this=0x55854125fd80) at itemmodels/qsortfilterproxymodel.cpp:1546
#49 0x00007f6be83c9d41 in QSortFilterProxyModel::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>,
_id=<optimized out>, _a=<optimized out>) at
.moc/moc_qsortfilterproxymodel.cpp:228
#50 0x00007f6be842a8d5 in QMetaObject::activate(QObject*, int, int, void**)
(sender=sender@entry=0x558541e423a0, signalOffset=<optimized out>,
local_signal_index=local_signal_index@entry=18, argv=<optimized out>,
argv@entry=0x7ffdcec640a0) at kernel/qobject.cpp:3809
#51 0x00007f6be842af97 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x558541e423a0, m=m@entry=0x7f6be88ae160
<QAbstractItemModel::staticMetaObject>,
local_signal_index=local_signal_index@entry=18, argv=argv@entry=0x7ffdcec640a0)
at kernel/qobject.cpp:3660
#52 0x00007f6be839594a in
QAbstractItemModel::modelReset(QAbstractItemModel::QPrivateSignal)
(this=this@entry=0x558541e423a0, _t1=...) at
.moc/moc_qabstractitemmodel.cpp:648
#53 0x00007f6be839753c in QAbstractItemModel::endResetModel()
(this=0x558541e423a0) at itemmodels/qabstractitemmodel.cpp:3271
#54 0x00007f6ba5c49a7a in () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_kwindecoration.so
#55 0x00007f6be842b432 in QObject::event(QEvent*) (this=0x558541e423a0,
e=<optimized out>) at kernel/qobject.cpp:1260
#56 0x00007f6be948deac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x558539973880, receiver=receiver@entry=0x558541e423a0,
e=e@entry=0x5585412c67c0) at kernel/qapplication.cpp:3703
#57 0x00007f6be94954b0 in QApplication::notify(QObject*, QEvent*)
(this=0x7ffdcec64960, receiver=0x558541e423a0, e=0x5585412c67c0) at
kernel/qapplication.cpp:3449
#58 0x00007f6be83f9f08 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x558541e423a0, event=0x5585412c67c0) at
kernel/qcoreapplication.cpp:1095
#59 0x00007f6be83fa0de in QCoreApplication::sendEvent(QObject*, QEvent*)
(receiver=<optimized out>, event=event@entry=0x5585412c67c0) at
kernel/qcoreapplication.cpp:1490
#60 0x00007f6be83fc827 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0,
data=0x55853996aff0) at kernel/qcoreapplication.cpp:1840
#61 0x00007f6be83fcdb8 in QCoreApplication::sendPostedEvents(QObject*, int)
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
kernel/qcoreapplication.cpp:1694
#62 0x00007f6be8458563 in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=0x5585399c88c0) at kernel/qeventdispatcher_glib.cpp:277
#63 0x00007f6be0f78417 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#64 0x00007f6be0f78650 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007f6be0f786dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#66 0x00007f6be8457b7f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x5585399da1e0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#67 0x00007f6be83f806a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffdcec64880, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#68 0x00007f6be84013e0 in QCoreApplication::exec() () at
kernel/qcoreapplication.cpp:1403
#69 0x000055853780a218 in ()
#70 0x00007f6be7a11b97 in __libc_start_main () at
/lib/x86_64-linux-gnu/libc.so.6
#71 0x000055853780a29a in _start ()
The reporter indicates this bug may be a duplicate of or related to bug 390857.
Possible duplicates by query: bug 414874, bug 414753, bug 414476, bug 414358,
bug 411499.
Reported using DrKonqi
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