https://bugs.kde.org/show_bug.cgi?id=427496
Bug ID: 427496
Summary: KWin crashes when disconnecting the second monitor
Product: kwin
Version: 5.19.5
Platform: Neon Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: e...@moskvin.ca
Target Milestone: ---
Application: kwin_x11 (5.19.5)
Qt Version: 5.15.0
Frameworks Version: 5.74.0
Operating System: Linux 5.6.7-050607-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.19
-- Information about the crash:
- What I was doing when the application crashed:
It crashes when I dissconnect the external monitor from the laptop. The monitor
is connected via HDMI.
- Custom settings of the application:
Tiling mode is enabled.
The crash can be reproduced every time.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
[KCrash Handler]
#4 0x00007f0309a69dbd in std::__atomic_base<int>::load(std::memory_order)
const (__m=std::memory_order_relaxed, this=0x64) at
/usr/include/c++/9/bits/atomic_base.h:413
#5 QAtomicOps<int>::loadRelaxed<int>(std::atomic<int> const&) (_q_value=...)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qatomic_cxx11.h:239
#6 QBasicAtomicInteger<int>::loadRelaxed() const (this=0x64) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qbasicatomic.h:107
#7 QtPrivate::RefCount::isShared() const (this=0x64) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qrefcount.h:101
#8 QMap<KWin::Group*, KWin::Layer>::detach() (this=0x563feb663ce0) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qmap.h:357
#9 QMap<KWin::Group*, KWin::Layer>::find(KWin::Group* const&) (akey=<optimized
out>, this=0x563feb663ce0) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qmap.h:861
#10 KWin::Workspace::constrainedStackingOrder()
(this=this@entry=0x563fea81a410) at ./layers.cpp:519
#11 0x00007f0309a6a818 in KWin::Workspace::updateStackingOrder(bool)
(propagate_new_clients=false, this=0x563fea81a410) at ./layers.cpp:121
#12 KWin::Workspace::updateStackingOrder(bool) (this=0x563fea81a410,
propagate_new_clients=propagate_new_clients@entry=false) at ./layers.cpp:114
#13 0x00007f0309b4948d in KWin::X11Client::setFrameGeometry(QRect const&,
KWin::AbstractClient::ForceGeometry_t) (this=0x563fea94dcd0, rect=...,
force=KWin::AbstractClient::NormalGeometrySet) at ./workspace.h:801
#14 0x00007f03099b5cd4 in KWin::AbstractClient::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) (_o=_o@entry=0x563fea94dcd0,
_c=_c@entry=QMetaObject::WriteProperty, _id=_id@entry=27,
_a=_a@entry=0x7ffd7b3fab90) at
./obj-x86_64-linux-gnu/kwin_autogen/EWIEGA46WW/moc_abstract_client.cpp:836
#15 0x00007f03099bbecb in KWin::AbstractClient::qt_metacall(QMetaObject::Call,
int, void**) (this=this@entry=0x563fea94dcd0,
_c=_c@entry=QMetaObject::WriteProperty, _id=27, _a=_a@entry=0x7ffd7b3fab90) at
./obj-x86_64-linux-gnu/kwin_autogen/EWIEGA46WW/moc_abstract_client.cpp:886
#16 0x00007f03099bbf5a in KWin::X11Client::qt_metacall(QMetaObject::Call, int,
void**) (this=0x563fea94dcd0, _c=QMetaObject::WriteProperty, _id=<optimized
out>, _a=0x7ffd7b3fab90) at
./obj-x86_64-linux-gnu/kwin_autogen/EWIEGA46WW/moc_x11client.cpp:269
#17 0x00007f0306d218a5 in QQmlPropertyData::writeProperty(QObject*, void*,
QFlags<QQmlPropertyData::WriteFlag>) const (this=<optimized out>,
target=<optimized out>, value=<optimized out>, flags=...) at
../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:379
#18 0x00007f0306d1d3c4 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData
const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>)
(object=<optimized out>, property=..., value=..., context=<optimized out>,
flags=...) at qml/qqmlproperty.cpp:1301
#19 0x00007f0306c3a2ac in
QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*,
QQmlPropertyData*, QV4::Value const&) (engine=0x563fea945940,
object=0x563fea94dcd0, property=0x563feb421898, value=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qflags.h:120
#20 0x00007f0306c3adbe in
QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*,
QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&)
(engine=0x563fea945940, qmlContext=<optimized out>, object=0x563fea94dcd0,
name=<optimized out>, revisionMode=QV4::QObjectWrapper::IgnoreRevision,
value=...) at jsruntime/qv4qobjectwrapper.cpp:435
#21 0x00007f0306c3af37 in QV4::QObjectWrapper::virtualPut(QV4::Managed*,
QV4::PropertyKey, QV4::Value const&, QV4::Value*) () at
/usr/include/c++/9/bits/atomic_base.h:413
#22 0x00007f0306bb842c in QV4::Object::put(QV4::StringOrSymbol*, QV4::Value
const&, QV4::Value*) (receiver=0x7f02e63beb38, v=..., name=0x7f02e63beb40,
this=0x7f02e63beb38) at
../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/jsruntime/qv4string_p.h:167
#23 QV4::Lookup::setterFallback(QV4::Lookup*, QV4::ExecutionEngine*,
QV4::Value&, QV4::Value const&) (l=<optimized out>, engine=0x563fea945940,
object=..., value=...) at jsruntime/qv4lookup.cpp:497
#24 0x00007f0306c667c2 in QV4::Runtime::SetLookupStrict::call(QV4::Function*,
QV4::Value const&, int, QV4::Value const&) (f=<optimized out>, base=...,
index=<optimized out>, value=...) at jsruntime/qv4runtime.cpp:1128
#25 0x00007f02c004a945 in ()
#26 0x0000000000000000 in ()
[Inferior 1 (process 930607) detached]
Possible duplicates by query: bug 427021, bug 425205, bug 422092, bug 421762,
bug 421244.
Reported using DrKonqi
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