https://bugs.kde.org/show_bug.cgi?id=425689
Bug ID: 425689
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: ---
KDE stuff from master, Qt from 5.15 branch
#0 0x00007ff3b493af43 in () at /usr/lib/libwayland-server.so.0
#1 0x00007ff3b49372dc in () at /usr/lib/libwayland-server.so.0
#2 0x00007ff3b4938faa in wl_event_loop_dispatch () at
/usr/lib/libwayland-server.so.0
#3 0x00007ff3b70fedc1 in KWaylandServer::Display::Private::dispatch()
(this=0x559425437930) at
/home/nico/kde/src/kwayland-server/src/server/display.cpp:134
#4 0x00007ff3b70fe9f5 in operator()() const (__closure=0x559425dead60) at
/home/nico/kde/src/kwayland-server/src/server/display.cpp:103
#5 0x00007ff3b7107d34 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>,
QtPrivate::List<>, void,
KWaylandServer::Display::Private::installSocketNotifier()::<lambda()>
>::call(struct {...} &, void **)
(f=..., arg=0x7ffe1b7e3e10) at
/home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:146
#6 0x00007ff3b710756f in
QtPrivate::Functor<KWaylandServer::Display::Private::installSocketNotifier()::<lambda()>,
0>::call<QtPrivate::List<>, void>(struct {...} &, void *, void **) (f=...,
arg=0x7ffe1b7e3e10)
at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:256
#7 0x00007ff3b71059ce in
QtPrivate::QFunctorSlotObject<KWaylandServer::Display::Private::installSocketNotifier()::<lambda()>,
0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *,
void **, bool *) (which=1, this_=0x559425dead50, r=0x559425437640,
a=0x7ffe1b7e3e10, ret=0x0) at
/home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:443
#8 0x00007ff3b5d08e46 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffe1b7e3e10, r=0x559425437640, this=0x559425dead50) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#9 doActivate<false>(QObject*, int, void**) (sender=0x559425dead00,
signal_index=3, argv=argv@entry=0x7ffe1b7e3e10) at kernel/qobject.cpp:3886
#10 0x00007ff3b5d021a0 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**)
(sender=sender@entry=0x559425dead00, m=m@entry=0x7ff3b5fa1a80
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe1b7e3e10)
at kernel/qobject.cpp:3946
#11 0x00007ff3b5d0c27f in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal)
(this=this@entry=0x559425dead00, _t1=..., _t2=<optimized out>, _t3=...)
at .moc/moc_qsocketnotifier.cpp:178
#12 0x00007ff3b5d0ca7b in QSocketNotifier::event(QEvent*) (this=0x559425dead00,
e=0x7ffe1b7e3f20) at kernel/qsocketnotifier.cpp:302
#13 0x00007ff3b679810f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x559425dead00, e=0x7ffe1b7e3f20) at
kernel/qapplication.cpp:3682
#14 0x00007ff3b5cd289a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x559425dead00, event=0x7ffe1b7e3f20)
at
../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#15 0x00007ff3b5d2712b in
QEventDispatcherUNIXPrivate::activateSocketNotifiers() (this=0x5594253f1c80) at
kernel/qeventdispatcher_unix.cpp:304
#16 0x00007ff3b5d2758b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:511
#17 0x00007ff3b17a71fd in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at qunixeventdispatcher.cpp:63
#18 0x00007ff3b5cd125b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffe1b7e40b0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#19 0x00007ff3b5cd94d0 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#20 0x000055942401f265 in main(int, char**) (argc=3, argv=0x7ffe1b7e44d8) at
/home/nico/kde/src/kwin/main_wayland.cpp:706
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