https://bugs.kde.org/show_bug.cgi?id=414834
Bug ID: 414834 Summary: Plasma crashes on Wayland when I change global theme Product: plasmashell Version: master Platform: unspecified OS: Linux Status: REPORTED Keywords: drkonqi Severity: crash Priority: NOR Component: general Assignee: k...@davidedmundson.co.uk Reporter: bugsefor...@gmx.com CC: plasma-b...@kde.org Target Milestone: 1.0 Application: plasmashell (5.17.80) Qt Version: 5.13.2 Frameworks Version: 5.65.0 Operating System: Linux 5.0.0-29-generic x86_64 Windowing system: Wayland Distribution: KDE neon Unstable Edition -- Information about the crash: - What I was doing when the application crashed: start Wayland session open system settings > global theme set global theme to breeze or breeze dark plasma crashes plasma also crashes with the same backtrace when I change font hinting setting in system settings > fonts. The crash can be reproduced every time. -- Backtrace: Application: Plasma (plasmashell), signal: Aborted Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f0351213800 (LWP 27317))] Thread 9 (Thread 0x7f02f65c4700 (LWP 27439)): #0 0x00007f0347d129f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c3b2f18b34) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 0x00007f0347d129f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55c3b2f18ae0, cond=0x55c3b2f18b08) at pthread_cond_wait.c:502 #2 0x00007f0347d129f3 in __pthread_cond_wait (cond=0x55c3b2f18b08, mutex=0x55c3b2f18ae0) at pthread_cond_wait.c:655 #3 0x00007f034ade2aeb in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x55c3b2f18ae0) at thread/qwaitcondition_unix.cpp:146 #4 0x00007f034ade2aeb in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x55c3b2f28720, deadline=...) at thread/qwaitcondition_unix.cpp:225 #5 0x00007f034ade2df9 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x55c3b2f28728, mutex=mutex@entry=0x55c3b2f28720, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208 #6 0x00007f034ee03ec8 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x55c3b2f28718) at scenegraph/qsgthreadedrenderloop.cpp:245 #7 0x00007f034ee03ec8 in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x55c3b2f286a0) at scenegraph/qsgthreadedrenderloop.cpp:710 #8 0x00007f034ee042fa in QSGRenderThread::run() (this=0x55c3b2f286a0) at scenegraph/qsgthreadedrenderloop.cpp:739 #9 0x00007f034addbb52 in QThreadPrivate::start(void*) (arg=0x55c3b2f286a0) at thread/qthread_unix.cpp:360 #10 0x00007f0347d0c6db in start_thread (arg=0x7f02f65c4700) at pthread_create.c:463 #11 0x00007f034a6d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7f02fde6f700 (LWP 27437)): #0 0x00007f034a6cbbf9 in __GI___poll (fds=0x7f02f80049b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f03448455c9 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f02f80049b0, timeout=<optimized out>, context=0x7f02f8000bf0) at ../../../../glib/gmain.c:4203 #2 0x00007f03448455c9 in g_main_context_iterate (context=context@entry=0x7f02f8000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3897 #3 0x00007f03448456dc in g_main_context_iteration (context=0x7f02f8000bf0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3963 #4 0x00007f034b01eb9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f02f8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #5 0x00007f034afbf06a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f02fde6eda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #6 0x00007f034adda3aa in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:531 #7 0x00007f034addbb52 in QThreadPrivate::start(void*) (arg=0x55c3b2b082b0) at thread/qthread_unix.cpp:360 #8 0x00007f0347d0c6db in start_thread (arg=0x7f02fde6f700) at pthread_create.c:463 #9 0x00007f034a6d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f03175ef700 (LWP 27428)): #0 0x00007f0347d129f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c3af46d174) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 0x00007f0347d129f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55c3af46d120, cond=0x55c3af46d148) at pthread_cond_wait.c:502 #2 0x00007f0347d129f3 in __pthread_cond_wait (cond=0x55c3af46d148, mutex=0x55c3af46d120) at pthread_cond_wait.c:655 #3 0x00007f034ade2aeb in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x55c3af46d120) at thread/qwaitcondition_unix.cpp:146 #4 0x00007f034ade2aeb in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x55c3af4b22f0, deadline=...) at thread/qwaitcondition_unix.cpp:225 #5 0x00007f034ade2df9 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x55c3af4b22f8, mutex=mutex@entry=0x55c3af4b22f0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208 #6 0x00007f034ee03ec8 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x55c3af4b22e8) at scenegraph/qsgthreadedrenderloop.cpp:245 #7 0x00007f034ee03ec8 in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x55c3af4b2270) at scenegraph/qsgthreadedrenderloop.cpp:710 #8 0x00007f034ee042fa in QSGRenderThread::run() (this=0x55c3af4b2270) at scenegraph/qsgthreadedrenderloop.cpp:739 #9 0x00007f034addbb52 in QThreadPrivate::start(void*) (arg=0x55c3af4b2270) at thread/qthread_unix.cpp:360 #10 0x00007f0347d0c6db in start_thread (arg=0x7f03175ef700) at pthread_create.c:463 #11 0x00007f034a6d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f0317df0700 (LWP 27422)): #0 0x00007f034a6c70b4 in __GI___libc_read (fd=14, buf=buf@entry=0x7f0317defb20, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f034488a2d0 in read (__nbytes=16, __buf=0x7f0317defb20, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44 #2 0x00007f034488a2d0 in g_wakeup_acknowledge (wakeup=0x7f0318003590) at ../../../../glib/gwakeup.c:210 #3 0x00007f03448450b7 in g_main_context_check (context=context@entry=0x7f0310000bf0, max_priority=2147483647, fds=fds@entry=0x7f0310005560, n_fds=n_fds@entry=1) at ../../../../glib/gmain.c:3680 #4 0x00007f0344845570 in g_main_context_iterate (context=context@entry=0x7f0310000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3899 #5 0x00007f03448456dc in g_main_context_iteration (context=0x7f0310000bf0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3963 #6 0x00007f034b01eb9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f0310000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #7 0x00007f034afbf06a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f0317defd30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #8 0x00007f034adda3aa in QThread::exec() (this=this@entry=0x7f0330216b70) at thread/qthread.cpp:531 #9 0x00007f034ed7dac6 in QQuickPixmapReader::run() (this=0x7f0330216b70) at util/qquickpixmapcache.cpp:962 #10 0x00007f034addbb52 in QThreadPrivate::start(void*) (arg=0x7f0330216b70) at thread/qthread_unix.cpp:360 #11 0x00007f0347d0c6db in start_thread (arg=0x7f0317df0700) at pthread_create.c:463 #12 0x00007f034a6d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f031f998700 (LWP 27415)): #0 0x00007f034a6d9a66 in __libc_recv (fd=fd@entry=5, buf=buf@entry=0x7f0318014bc8, len=len@entry=8192, flags=flags@entry=0) at ../sysdeps/unix/sysv/linux/recv.c:28 #1 0x00007f034963c4bc in recv (__flags=0, __n=8192, __buf=0x7f0318014bc8, __fd=5) at /usr/include/x86_64-linux-gnu/bits/socket2.h:44 #2 0x00007f034963c4bc in (anonymous namespace)::ProcessNetlinkRequest<getInterfaces(int, char*)::<lambda(ifinfomsg*, size_t)> >::operator() (bufsize=8192, this=<optimized out>, func=..., buf=<optimized out>, hdr=<optimized out>, sock=<optimized out>) at kernel/qnetworkinterface_linux.cpp:170 #3 0x00007f034963c4bc in (anonymous namespace)::processNetlinkRequest<getInterfaces(int, char*)::<lambda(ifinfomsg*, size_t)> > (l=..., bufsize=8192, buf=<optimized out>, hdr=0x7f031f996dc0, sock=<optimized out>) at kernel/qnetworkinterface_linux.cpp:218 #4 0x00007f034963c4bc in getInterfaces (buf=<optimized out>, sock=<optimized out>) at kernel/qnetworkinterface_linux.cpp:274 #5 0x00007f034963c4bc in QNetworkInterfaceManager::scan() (this=<optimized out>) at kernel/qnetworkinterface_linux.cpp:446 #6 0x00007f034962cb75 in QNetworkInterfaceManager::allInterfaces() (this=<optimized out>) at kernel/qnetworkinterface.cpp:118 #7 0x00007f034962d3c4 in QNetworkInterface::allInterfaces() () at kernel/qnetworkinterface.cpp:876 #8 0x00007f031ed43766 in QGenericEngine::doRequestUpdate() (this=0x55c3af250750) at qgenericengine.cpp:286 #9 0x00007f034afd21b5 in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const (this=this@entry=0x7f031f997390, object=object@entry=0x55c3af250750, connectionType=Qt::DirectConnection, connectionType@entry=Qt::AutoConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:2308 #10 0x00007f034afd4108 in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) (obj=0x55c3af250750, member=member@entry=0x7f03496b8f04 "requestUpdate", type=type@entry=Qt::AutoConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1522 #11 0x00007f034961a46e in QMetaObject::invokeMethod(QObject*, char const*, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., member=0x7f03496b8f04 "requestUpdate", obj=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs.h:465 #12 0x00007f034961a46e in QNetworkConfigurationManagerPrivate::performAsyncConfigurationUpdate() (this=this@entry=0x55c3af2213a0) at bearer/qnetworkconfigmanager_p.cpp:446 #13 0x00007f034961a76a in QNetworkConfigurationManagerPrivate::startPolling() (this=this@entry=0x55c3af2213a0) at bearer/qnetworkconfigmanager_p.cpp:480 #14 0x00007f034961ad6d in QNetworkConfigurationManagerPrivate::updateConfigurations() (this=0x55c3af2213a0) at bearer/qnetworkconfigmanager_p.cpp:421 #15 0x00007f03496ad49d in QNetworkConfigurationManagerPrivate::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qnetworkconfigmanager_p.cpp:127 #16 0x00007f034aff2432 in QObject::event(QEvent*) (this=0x55c3af2213a0, e=<optimized out>) at kernel/qobject.cpp:1260 #17 0x00007f034afc0ef1 in doNotify (event=0x55c3af251540, receiver=0x55c3af2213a0) at kernel/qcoreapplication.cpp:1185 #18 0x00007f034afc0ef1 in QCoreApplication::notify(QObject*, QEvent*) (event=<optimized out>, receiver=<optimized out>, this=<optimized out>) at kernel/qcoreapplication.cpp:1171 #19 0x00007f034afc0ef1 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55c3af2213a0, event=0x55c3af251540) at kernel/qcoreapplication.cpp:1095 #20 0x00007f034afc10de in QCoreApplication::sendEvent(QObject*, QEvent*) (receiver=<optimized out>, event=event@entry=0x55c3af251540) at kernel/qcoreapplication.cpp:1490 #21 0x00007f034afc3827 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x55c3af221580) at kernel/qcoreapplication.cpp:1840 #22 0x00007f034afc3db8 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1694 #23 0x00007f034b01f563 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=s@entry=0x7f03180047a0) at kernel/qeventdispatcher_glib.cpp:277 #24 0x00007f0344845417 in g_main_dispatch (context=0x7f0318000bf0) at ../../../../glib/gmain.c:3176 #25 0x00007f0344845417 in g_main_context_dispatch (context=context@entry=0x7f0318000bf0) at ../../../../glib/gmain.c:3829 #26 0x00007f0344845650 in g_main_context_iterate (context=context@entry=0x7f0318000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3902 #27 0x00007f03448456dc in g_main_context_iteration (context=0x7f0318000bf0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3963 #28 0x00007f034b01eb7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f0318000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #29 0x00007f034afbf06a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f031f997da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #30 0x00007f034adda3aa in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:531 #31 0x00007f034addbb52 in QThreadPrivate::start(void*) (arg=0x55c3af21d0c0) at thread/qthread_unix.cpp:360 #32 0x00007f0347d0c6db in start_thread (arg=0x7f031f998700) at pthread_create.c:463 #33 0x00007f034a6d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f032c5ee700 (LWP 27404)): #0 0x00007f0347d129f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c3af00cc78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 0x00007f0347d129f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55c3af00cc28, cond=0x55c3af00cc50) at pthread_cond_wait.c:502 #2 0x00007f0347d129f3 in __pthread_cond_wait (cond=0x55c3af00cc50, mutex=0x55c3af00cc28) at pthread_cond_wait.c:655 #3 0x00007f032d8c12cb in cnd_wait (mtx=0x55c3af00cc28, cond=0x55c3af00cc50) at ../src/../include/c11/threads_posix.h:155 #4 0x00007f032d8c12cb in util_queue_thread_func (input=input@entry=0x55c3af00f190) at ../src/util/u_queue.c:256 #5 0x00007f032d8c0ff7 in impl_thrd_routine (p=<optimized out>) at ../src/../include/c11/threads_posix.h:87 #6 0x00007f0347d0c6db in start_thread (arg=0x7f032c5ee700) at pthread_create.c:463 #7 0x00007f034a6d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f0336988700 (LWP 27400)): #0 0x00007f034a6c70b4 in __GI___libc_read (fd=10, buf=buf@entry=0x7f0336987b70, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f034488a2d0 in read (__nbytes=16, __buf=0x7f0336987b70, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44 #2 0x00007f034488a2d0 in g_wakeup_acknowledge (wakeup=0x7f0338003db0) at ../../../../glib/gwakeup.c:210 #3 0x00007f03448450b7 in g_main_context_check (context=context@entry=0x7f0330000bf0, max_priority=2147483647, fds=fds@entry=0x7f0330004e00, n_fds=n_fds@entry=1) at ../../../../glib/gmain.c:3680 #4 0x00007f0344845570 in g_main_context_iterate (context=context@entry=0x7f0330000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3899 #5 0x00007f03448456dc in g_main_context_iteration (context=0x7f0330000bf0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3963 #6 0x00007f034b01eb9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f0330000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #7 0x00007f034afbf06a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f0336987d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #8 0x00007f034adda3aa in QThread::exec() (this=this@entry=0x55c3aec86e40) at thread/qthread.cpp:531 #9 0x00007f034e8ab815 in QQmlThreadPrivate::run() (this=0x55c3aec86e40) at qml/ftw/qqmlthread.cpp:152 #10 0x00007f034addbb52 in QThreadPrivate::start(void*) (arg=0x55c3aec86e40) at thread/qthread_unix.cpp:360 #11 0x00007f0347d0c6db in start_thread (arg=0x7f0336988700) at pthread_create.c:463 #12 0x00007f034a6d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f033c8ce700 (LWP 27343)): #0 0x00007f034a6c70b4 in __GI___libc_read (fd=5, buf=buf@entry=0x7f033c8cdb60, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f034488a2d0 in read (__nbytes=16, __buf=0x7f033c8cdb60, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44 #2 0x00007f034488a2d0 in g_wakeup_acknowledge (wakeup=0x55c3aea76bc0) at ../../../../glib/gwakeup.c:210 #3 0x00007f03448450b7 in g_main_context_check (context=context@entry=0x7f0338000bf0, max_priority=2147483647, fds=fds@entry=0x7f0338003ce0, n_fds=n_fds@entry=1) at ../../../../glib/gmain.c:3680 #4 0x00007f0344845570 in g_main_context_iterate (context=context@entry=0x7f0338000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3899 #5 0x00007f03448456dc in g_main_context_iteration (context=0x7f0338000bf0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3963 #6 0x00007f034b01eb9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f0338000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #7 0x00007f034afbf06a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f033c8cdd70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #8 0x00007f034adda3aa in QThread::exec() (this=this@entry=0x7f034ce51d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:531 #9 0x00007f034cbda0e5 in QDBusConnectionManager::run() (this=0x7f034ce51d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178 #10 0x00007f034addbb52 in QThreadPrivate::start(void*) (arg=0x7f034ce51d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:360 #11 0x00007f0347d0c6db in start_thread (arg=0x7f033c8ce700) at pthread_create.c:463 #12 0x00007f034a6d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f0351213800 (LWP 27317)): [KCrash Handler] #6 0x00007f034a5f5e97 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51 #7 0x00007f034a5f7801 in __GI_abort () at abort.c:79 #8 0x00007f034adb7cbb in qt_message_fatal (context=..., message=<synthetic pointer>...) at global/qlogging.cpp:1907 #9 0x00007f034adb7cbb in QMessageLogger::fatal(char const*, ...) const (this=this@entry=0x7fff97cbde40, msg=msg@entry=0x7f033ec6a6f0 "The Wayland connection experienced a fatal error: %s") at global/qlogging.cpp:888 #10 0x00007f033ebdd198 in QtWaylandClient::QWaylandDisplay::checkError() const (this=<optimized out>) at qwaylanddisplay.cpp:191 #11 0x00007f033ebdd20e in QtWaylandClient::QWaylandDisplay::flushRequests() (this=0x55c3aea39320) at qwaylanddisplay.cpp:202 #12 0x00007f034aff18d5 in QMetaObject::activate(QObject*, int, int, void**) (sender=sender@entry=0x55c3aea79530, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=<optimized out>, argv@entry=0x0) at kernel/qobject.cpp:3809 #13 0x00007f034aff1f97 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x55c3aea79530, m=m@entry=0x7f034b476300 <QAbstractEventDispatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3660 #14 0x00007f034afbcde3 in QAbstractEventDispatcher::awake() (this=this@entry=0x55c3aea79530) at .moc/moc_qabstracteventdispatcher.cpp:149 #15 0x00007f034b01ebbe in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55c3aea79530, flags=...) at kernel/qeventdispatcher_glib.cpp:430 #16 0x00007f034afbf06a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fff97cbe060, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #17 0x00007f034afc83e0 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1403 #18 0x000055c3acf0572e in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:209 Possible duplicates by query: bug 414632, bug 414629, bug 414353, bug 414220, bug 414189. 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