https://bugs.kde.org/show_bug.cgi?id=453502
Bug ID: 453502
Summary: [Wayland] Plasma crashes when I switch between 'Switch
to external screen' and 'Unify outputs' multi-monitor
modes
Product: plasmashell
Version: master
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: generic-crash
Assignee: plasma-b...@kde.org
Reporter: bugsefor...@gmx.com
Target Milestone: 1.0
STEPS TO REPRODUCE
1. use Wayland session
2. connect an external monitor to hdmi port
3. press meta+p and choose 'Switch to external screen'
4. press meta+p again and choose 'Unify outputs'
OBSERVED RESULT
Plasma crashes
EXPECTED RESULT
no crash
SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.24.80
KDE Frameworks Version: 5.94.0
Qt Version: 5.15.3
Graphics Platform: Wayland
Thread 11 (Thread 0x7fce9ffff700 (LWP 4628)):
#0 0x00007fcea9bb69cf in __GI___poll (fds=0x7fce90004a60, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcea844536e in g_main_context_poll (priority=<optimized out>,
n_fds=3, fds=0x7fce90004a60, timeout=<optimized out>, context=0x7fce90000c20)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x7fce90000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007fcea84454a3 in g_main_context_iteration (context=0x7fce90000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007fceaa187642 in QEventDispatcherGlib::processEvents
(this=0x7fce90000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5 0x00007fceaa12b87b in QEventLoop::exec (this=this@entry=0x7fce9fffebb0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007fcea9f45442 in QThread::exec (this=this@entry=0x7fceaac63d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007fceaabdff4b in QDBusConnectionManager::run (this=0x7fceaac63d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#8 0x00007fcea9f46623 in QThreadPrivate::start (arg=0x7fceaac63d80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:331
#9 0x00007fcea98da609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007fcea9bc3163 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 10 (Thread 0x7fce9d94d700 (LWP 4630)):
#0 0x00007fcea9bb69cf in __GI___poll (fds=0x7fce88004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcea844536e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7fce88004e60, timeout=<optimized out>, context=0x7fce88000c20)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x7fce88000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007fcea84454a3 in g_main_context_iteration (context=0x7fce88000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007fceaa187642 in QEventDispatcherGlib::processEvents
(this=0x7fce88000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5 0x00007fceaa12b87b in QEventLoop::exec (this=this@entry=0x7fce9d94cbe0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007fcea9f45442 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007fcea9f46623 in QThreadPrivate::start (arg=0x55a2a539fe00) at
thread/qthread_unix.cpp:331
#8 0x00007fcea98da609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007fcea9bc3163 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 9 (Thread 0x7fce9caa8700 (LWP 4631)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55a2a53eeb78) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55a2a53eeb28,
cond=0x55a2a53eeb50) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x55a2a53eeb50, mutex=0x55a2a53eeb28) at
pthread_cond_wait.c:638
#3 0x00007fce8f1475eb in cnd_wait (mtx=0x55a2a53eeb28, cond=0x55a2a53eeb50) at
../include/c11/threads_posix.h:155
#4 util_queue_thread_func (input=input@entry=0x55a2a561d670) at
../src/util/u_queue.c:294
#5 0x00007fce8f1471eb in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6 0x00007fcea98da609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7 0x00007fcea9bc3163 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 8 (Thread 0x7fce6908b700 (LWP 4669)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55a2a581fb70) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55a2a581fb20,
cond=0x55a2a581fb48) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x55a2a581fb48, mutex=0x55a2a581fb20) at
pthread_cond_wait.c:638
#3 0x00007fcea9f4c68b in QWaitConditionPrivate::wait (deadline=...,
this=0x55a2a581fb20) at thread/qwaitcondition_unix.cpp:146
#4 QWaitCondition::wait (this=this@entry=0x55a2a6039aa8,
mutex=mutex@entry=0x55a2a6039aa0, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#5 0x00007fceabbcd074 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x55a2a6039a98) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6 QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x55a2a6039a00) at scenegraph/qsgthreadedrenderloop.cpp:936
#7 0x00007fceabbcd4e9 in QSGRenderThread::run (this=0x55a2a6039a00) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8 0x00007fcea9f46623 in QThreadPrivate::start (arg=0x55a2a6039a00) at
thread/qthread_unix.cpp:331
#9 0x00007fcea98da609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007fcea9bc3163 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7fce9edee700 (LWP 4629)):
#0 0x00007fcea9bb69cf in __GI___poll (fds=0x7fce94004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcea844536e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7fce94004e60, timeout=<optimized out>, context=0x7fce94000c20)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x7fce94000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007fcea84454a3 in g_main_context_iteration (context=0x7fce94000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007fceaa187642 in QEventDispatcherGlib::processEvents
(this=0x7fce94000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5 0x00007fceaa12b87b in QEventLoop::exec (this=this@entry=0x7fce9ededbc0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007fcea9f45442 in QThread::exec (this=this@entry=0x55a2a50a58e0) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007fceab76bb39 in QQmlThreadPrivate::run (this=0x55a2a50a58e0) at
qml/ftw/qqmlthread.cpp:155
#8 0x00007fcea9f46623 in QThreadPrivate::start (arg=0x55a2a50a58e0) at
thread/qthread_unix.cpp:331
#9 0x00007fcea98da609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007fcea9bc3163 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7fcea49a8700 (LWP 4627)):
#0 0x00007fcea9bb69cf in __GI___poll (fds=fds@entry=0x7fcea49a7be0,
nfds=nfds@entry=2, timeout=timeout@entry=-1) at
../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcea7f9ca36 in poll (__timeout=-1, __nfds=2, __fds=0x7fcea49a7be0)
at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2 QtWaylandClient::EventThread::run (this=0x55a2a4f88fe0) at
qwaylanddisplay.cpp:208
#3 0x00007fcea9f46623 in QThreadPrivate::start (arg=0x55a2a4f88fe0) at
thread/qthread_unix.cpp:331
#4 0x00007fcea98da609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5 0x00007fcea9bc3163 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7fce6ab6a700 (LWP 4663)):
#0 0x00007fcea9bb69cf in __GI___poll (fds=0x7fce5c006750, nfds=1,
timeout=3499307) at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcea844536e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7fce5c006750, timeout=<optimized out>, context=0x7fce5c000c20)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x7fce5c000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007fcea84454a3 in g_main_context_iteration (context=0x7fce5c000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007fceaa187642 in QEventDispatcherGlib::processEvents
(this=0x7fce5c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5 0x00007fceaa12b87b in QEventLoop::exec (this=this@entry=0x7fce6ab69ba0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007fcea9f45442 in QThread::exec (this=this@entry=0x55a2a98dd500) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007fce69fa00bc in KCupsConnection::run (this=0x55a2a98dd500) at
./libkcups/KCupsConnection.cpp:289
#8 0x00007fcea9f46623 in QThreadPrivate::start (arg=0x55a2a98dd500) at
thread/qthread_unix.cpp:331
#9 0x00007fcea98da609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007fcea9bc3163 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7fce83fff700 (LWP 4632)):
#0 0x00007fcea9bb69cf in __GI___poll (fds=0x7fce7c004a30, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcea844536e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7fce7c004a30, timeout=<optimized out>, context=0x7fce7c000c20)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x7fce7c000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007fcea84454a3 in g_main_context_iteration (context=0x7fce7c000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007fceaa187642 in QEventDispatcherGlib::processEvents
(this=0x7fce7c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5 0x00007fceaa12b87b in QEventLoop::exec (this=this@entry=0x7fce83ffeba0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007fcea9f45442 in QThread::exec (this=this@entry=0x55a2a608e5c0) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007fceabb0743a in QQuickPixmapReader::run (this=0x55a2a608e5c0) at
util/qquickpixmapcache.cpp:1024
#8 0x00007fcea9f46623 in QThreadPrivate::start (arg=0x55a2a608e5c0) at
thread/qthread_unix.cpp:331
#9 0x00007fcea98da609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007fcea9bc3163 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7fce817fa700 (LWP 4640)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55a2a614e630) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55a2a614e5e0,
cond=0x55a2a614e608) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x55a2a614e608, mutex=0x55a2a614e5e0) at
pthread_cond_wait.c:638
#3 0x00007fcea9f4c68b in QWaitConditionPrivate::wait (deadline=...,
this=0x55a2a614e5e0) at thread/qwaitcondition_unix.cpp:146
#4 QWaitCondition::wait (this=this@entry=0x55a2a614db68,
mutex=mutex@entry=0x55a2a614db60, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#5 0x00007fceabbcd074 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x55a2a614db58) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6 QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x55a2a614dac0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7 0x00007fceabbcd4e9 in QSGRenderThread::run (this=0x55a2a614dac0) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8 0x00007fcea9f46623 in QThreadPrivate::start (arg=0x55a2a614dac0) at
thread/qthread_unix.cpp:331
#9 0x00007fcea98da609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007fcea9bc3163 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7fcea51a9700 (LWP 4626)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55a2a4f88cb0) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55a2a4f88c60,
cond=0x55a2a4f88c88) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x55a2a4f88c88, mutex=0x55a2a4f88c60) at
pthread_cond_wait.c:638
#3 0x00007fcea9f4c68b in QWaitConditionPrivate::wait (deadline=...,
this=0x55a2a4f88c60) at thread/qwaitcondition_unix.cpp:146
#4 QWaitCondition::wait (this=this@entry=0x55a2a4f82da0,
mutex=mutex@entry=0x55a2a4f82d98, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#5 0x00007fcea7f9c9dd in QtWaylandClient::EventThread::waitForReading
(this=0x55a2a4f82d60) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6 QtWaylandClient::EventThread::run (this=0x55a2a4f82d60) at
qwaylanddisplay.cpp:206
#7 0x00007fcea9f46623 in QThreadPrivate::start (arg=0x55a2a4f82d60) at
thread/qthread_unix.cpp:331
#8 0x00007fcea98da609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007fcea9bc3163 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7fcea5cf09c0 (LWP 4625)):
#0 __GI_raise (sig=sig@entry=11) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007fceac046ff5 in KCrash::defaultCrashHandler (sig=11) at
./src/kcrash.cpp:618
#2 <signal handler called>
#3 PlasmaQuick::ContainmentView::containment (this=0x0) at
./src/plasmaquick/containmentview.cpp:256
#4 0x000055a2a3adc6e6 in ShellCorona::screenForContainment
(this=0x55a2a4f6d750, containment=<optimized out>) at
./shell/shellcorona.cpp:1947
#5 0x000055a2a3adc65f in ShellCorona::screenForContainment
(this=0x55a2a4f6d750, containment=<optimized out>) at
./shell/shellcorona.cpp:1939
#6 0x00007fcea4061d21 in AppletInterface::screenGeometry (this=0x55a2a55a6e90)
at ./src/scriptengines/qml/plasmoid/appletinterface.cpp:622
#7 0x00007fcea40658f8 in AppletInterface::qt_static_metacall
(_o=_o@entry=0x55a2a55a6e90, _c=_c@entry=QMetaObject::ReadProperty,
_id=_id@entry=25, _a=_a@entry=0x7fff2c491890) at
./obj-x86_64-linux-gnu/src/scriptengines/qml/plasma_appletscript_declarative_autogen/include/moc_appletinterface.cpp:771
#8 0x00007fcea406717b in AppletInterface::qt_metacall (this=0x55a2a55a6e90,
_c=QMetaObject::ReadProperty, _id=25, _a=0x7fff2c491890) at
./obj-x86_64-linux-gnu/src/scriptengines/qml/plasma_appletscript_declarative_autogen/include/moc_appletinterface.cpp:872
#9 0x00007fceab730cd0 in QV4::QQmlValueTypeReference::readReferenceValue
(this=0x7fce9e1af510) at /usr/include/c++/9/bits/atomic_base.h:413
#10 QV4::QQmlValueTypeReference::readReferenceValue (this=0x7fce9e1af510) at
qml/qqmlvaluetypewrapper.cpp:125
#11 0x00007fceab731b09 in QV4::QQmlValueTypeWrapper::virtualResolveLookupGetter
(object=0x7fce9e1af510, engine=0x55a2a508bbe0, lookup=0x55a2a9957060) at
qml/qqmlvaluetypewrapper.cpp:446
#12 0x00007fceab731025 in QV4::QQmlValueTypeWrapper::<lambda()>::operator()
(__closure=<synthetic pointer>) at qml/qqmlvaluetypewrapper.cpp:468
#13 QV4::QQmlValueTypeWrapper::lookupGetter (lookup=0x55a2a9957060,
engine=0x55a2a508bbe0, object=...) at qml/qqmlvaluetypewrapper.cpp:480
#14 0x00007fce6909624c in ?? ()
#15 0x0000000000000000 in ?? ()
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