https://bugs.kde.org/show_bug.cgi?id=453026
Bug ID: 453026
Summary: kwin_wayland crashes when disconnecting monitor
Product: kwin
Version: git master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: nicolas.fe...@gmx.de
Target Milestone: ---
#0 0x00007f3dd901c06e in cmsPipelineUnlinkStage () at /usr/lib/liblcms2.so.2
#1 0x00007f3dda35877b in KWin::ColorTransformation::~ColorTransformation()
(this=0x559489de6550, __in_chrg=<optimized out>) at
/home/nico/kde/src/kwin/src/colors.cpp:25
#2 0x00007f3dda355a0f in
QtSharedPointer::ExternalRefCountWithContiguousData<KWin::ColorTransformation>::deleter(QtSharedPointer::ExternalRefCountData*)
(self=0x559489de6540) at
/home/nico/kde/usr/include/QtCore/qsharedpointer_impl.h:248
#3 0x00007f3dd150ff13 in QtSharedPointer::ExternalRefCountData::destroy()
(this=0x559489de6540) at
/home/nico/kde/usr/include/QtCore/qsharedpointer_impl.h:149
#4 0x00007f3dd152f115 in
QSharedPointer<KWin::ColorTransformation>::deref(QtSharedPointer::ExternalRefCountData*)
(dd=0x559489de6540) at
/home/nico/kde/usr/include/QtCore/qsharedpointer_impl.h:458
#5 0x00007f3dd152eca0 in QSharedPointer<KWin::ColorTransformation>::deref()
(this=0x5594892a97a0) at
/home/nico/kde/usr/include/QtCore/qsharedpointer_impl.h:453
#6 0x00007f3dd152e448 in
QSharedPointer<KWin::ColorTransformation>::~QSharedPointer()
(this=0x5594892a97a0, __in_chrg=<optimized out>) at
/home/nico/kde/usr/include/QtCore/qsharedpointer_impl.h:310
#7 0x00007f3dd154838c in KWin::DrmPipeline::State::~State()
(this=0x5594892a9770, __in_chrg=<optimized out>) at
/home/nico/kde/src/kwin/src/backends/drm/drm_pipeline.h:92
#8 0x00007f3dd1544bbd in KWin::DrmPipeline::~DrmPipeline()
(this=0x5594892a9770, __in_chrg=<optimized out>) at
/home/nico/kde/src/kwin/src/backends/drm/drm_pipeline.cpp:44
#9 0x00007f3dd15239b8 in
QScopedPointerDeleter<KWin::DrmPipeline>::cleanup(KWin::DrmPipeline*)
(pointer=0x5594892a9770) at
/home/nico/kde/usr/include/QtCore/qscopedpointer.h:60
#10 0x00007f3dd152264f in QScopedPointer<KWin::DrmPipeline,
QScopedPointerDeleter<KWin::DrmPipeline> >::~QScopedPointer()
(this=0x5594892a9538, __in_chrg=<optimized out>) at
/home/nico/kde/usr/include/QtCore/qscopedpointer.h:107
#11 0x00007f3dd1525116 in KWin::DrmConnector::~DrmConnector()
(this=0x5594892a9510, __in_chrg=<optimized out>) at
/home/nico/kde/src/kwin/src/backends/drm/drm_object_connector.h:49
#12 0x00007f3dd152513e in KWin::DrmConnector::~DrmConnector()
(this=0x5594892a9510, __in_chrg=<optimized out>) at
/home/nico/kde/src/kwin/src/backends/drm/drm_object_connector.h:49
#13 0x00007f3dd15342c8 in KWin::DrmGpu::updateOutputs() (this=0x55948901ca70)
at /home/nico/kde/src/kwin/src/backends/drm/drm_gpu.cpp:305
#14 0x00007f3dd150b181 in KWin::DrmBackend::updateOutputs()
(this=0x5594890087b0) at
/home/nico/kde/src/kwin/src/backends/drm/drm_backend.cpp:316
#15 0x00007f3dd150aa46 in KWin::DrmBackend::handleUdevEvent()
(this=0x5594890087b0) at
/home/nico/kde/src/kwin/src/backends/drm/drm_backend.cpp:258
#16 0x00007f3dd1516894 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>,
QtPrivate::List<>, void, void (KWin::DrmBackend::*)()>::call(void
(KWin::DrmBackend::*)(), KWin::DrmBackend*, void**)
(f=(void (KWin::DrmBackend::*)(KWin::DrmBackend * const)) 0x7f3dd150a398
<KWin::DrmBackend::handleUdevEvent()>, o=0x5594890087b0, arg=0x7ffe1d016050) at
/home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:152
#17 0x00007f3dd1515ce4 in QtPrivate::FunctionPointer<void
(KWin::DrmBackend::*)()>::call<QtPrivate::List<>, void>(void
(KWin::DrmBackend::*)(), KWin::DrmBackend*, void**)
(f=(void (KWin::DrmBackend::*)(KWin::DrmBackend * const)) 0x7f3dd150a398
<KWin::DrmBackend::handleUdevEvent()>, o=0x5594890087b0, arg=0x7ffe1d016050) at
/home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:185
#18 0x00007f3dd1514a25 in QtPrivate::QSlotObject<void (KWin::DrmBackend::*)(),
QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*,
void**, bool*)
(which=1, this_=0x55948901c890, r=0x5594890087b0, a=0x7ffe1d016050,
ret=0x0) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:418
#19 0x00007f3dd867b203 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffe1d016050, r=0x5594890087b0, this=0x55948901c890) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#20 doActivate<false>(QObject*, int, void**) (sender=0x55948901b0c0,
signal_index=3, argv=0x7ffe1d016050) at kernel/qobject.cpp:3886
#21 0x00007f3dd86746cf in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**)
(sender=sender@entry=0x55948901b0c0, m=m@entry=0x7f3dd891b120
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe1d016050)
at kernel/qobject.cpp:3946
#22 0x00007f3dd867e6ef in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal)
(this=this@entry=0x55948901b0c0, _t1=..., _t2=<optimized out>, _t3=...) at
.moc/moc_qsocketnotifier.cpp:178
#23 0x00007f3dd867eeeb in QSocketNotifier::event(QEvent*) (this=0x55948901b0c0,
e=0x7ffe1d016170) at kernel/qsocketnotifier.cpp:302
#24 0x00007f3dd71bd69f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x55948901b0c0, e=0x7ffe1d016170) at
kernel/qapplication.cpp:3637
#25 0x00007f3dd8644a0a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55948901b0c0, event=0x7ffe1d016170) at
kernel/qcoreapplication.cpp:1064
#26 0x00007f3dd869947b in
QEventDispatcherUNIXPrivate::activateSocketNotifiers() (this=0x559488fa27d0) at
kernel/qeventdispatcher_unix.cpp:304
#27 0x00007f3dd86998db in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:511
#28 0x0000559486e309bd in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at qunixeventdispatcher.cpp:63
#29 0x00007f3dd864340b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffe1d016300, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#30 0x00007f3dd864b6e0 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#31 0x0000559486d0b4d4 in main(int, char**) (argc=14, argv=0x7ffe1d016758) at
/home/nico/kde/src/kwin/src/main_wayland.cpp:657
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