https://bugs.kde.org/show_bug.cgi?id=422863
Bug ID: 422863
Summary: kwin_wayland crashes when applying new look and feel
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: ---
SUMMARY
Sometimes when applying a look and feel in the KCM kwin_wayland crashes.
Happend with Breeze and 'Sweet' from the store.
KDE stuff from master, Qt from 5.15
#0 0x00007ff5b5865f43 in () at /usr/lib/libwayland-server.so.0
#1 0x00007ff5b58622dc in () at /usr/lib/libwayland-server.so.0
#2 0x00007ff5b5863faa in wl_event_loop_dispatch () at
/usr/lib/libwayland-server.so.0
#3 0x00007ff5b7fcd68f in KWaylandServer::Display::Private::dispatch()
(this=0x55dd3ae2f1e0) at
/home/nico/kde/src/kwayland-server/src/server/display.cpp:134
#4 0x00007ff5b7fcd2bf in operator()() const (__closure=0x55dd3ae149d0) at
/home/nico/kde/src/kwayland-server/src/server/display.cpp:102
#5 0x00007ff5b7fd6214 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>,
QtPrivate::List<>, void,
KWaylandServer::Display::Private::installSocketNotifier()::<lambda()>
>::call(struct {...} &, void **) (f=..., arg=0x7ffe4390f390)
at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:146
#6 0x00007ff5b7fd5aa3 in
QtPrivate::Functor<KWaylandServer::Display::Private::installSocketNotifier()::<lambda()>,
0>::call<QtPrivate::List<>, void>(struct {...} &, void *, void **) (f=...,
arg=0x7ffe4390f390)
at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:256
#7 0x00007ff5b7fd4016 in
QtPrivate::QFunctorSlotObject<KWaylandServer::Display::Private::installSocketNotifier()::<lambda()>,
0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *,
void **, bool *)
(which=1, this_=0x55dd3ae149c0, r=0x55dd3ae2ee70, a=0x7ffe4390f390,
ret=0x0) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:443
#8 0x00007ff5b6bf9e46 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffe4390f390, r=0x55dd3ae2ee70, this=0x55dd3ae149c0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#9 doActivate<false>(QObject*, int, void**) (sender=0x55dd3ae149a0,
signal_index=3, argv=argv@entry=0x7ffe4390f390) at kernel/qobject.cpp:3886
#10 0x00007ff5b6bf31a0 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**)
(sender=sender@entry=0x55dd3ae149a0, m=m@entry=0x7ff5b6e92a80
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe4390f390)
at kernel/qobject.cpp:3946
#11 0x00007ff5b6bfd27f in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal)
(this=this@entry=0x55dd3ae149a0, _t1=..., _t2=<optimized out>, _t3=...) at
.moc/moc_qsocketnotifier.cpp:178
#12 0x00007ff5b6bfda7b in QSocketNotifier::event(QEvent*) (this=0x55dd3ae149a0,
e=0x7ffe4390f4a0) at kernel/qsocketnotifier.cpp:302
#13 0x00007ff5b76890ef in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x55dd3ae149a0, e=0x7ffe4390f4a0) at
kernel/qapplication.cpp:3671
#14 0x00007ff5b6bc39aa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55dd3ae149a0, event=0x7ffe4390f4a0) at
../../include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#15 0x00007ff5b6c1812b in
QEventDispatcherUNIXPrivate::activateSocketNotifiers() (this=0x55dd3add99d0) at
kernel/qeventdispatcher_unix.cpp:304
#16 0x00007ff5b6c1858b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:511
#17 0x00007ff5b26d722d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at qunixeventdispatcher.cpp:63
#18 0x00007ff5b6bc236b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffe4390f630, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#19 0x00007ff5b6bca5d0 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#20 0x000055dd3a63dbbb in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at /home/nico/kde/src/kwin/main_wayland.cpp:704
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