Bug 415445

Summary: crash while trying to connect to a Wifi network
Product: [Plasma] plasmashell Reporter: Laurent Bonnaud <L.Bonnaud>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: nate, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.17.4   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Laurent Bonnaud 2019-12-22 09:14:54 UTC 
Application: plasmashell (5.17.4)

Qt Version: 5.12.4
Frameworks Version: 5.65.0
Operating System: Linux 5.4.5-050405-generic x86_64
Distribution: Ubuntu 19.10

-- Information about the crash:
- What I was doing when the application crashed:

I was trying to connect to a Wifi network. I cannot tell precisely which action caused the crash because error reporting is asynchronous.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559a9c0f5484) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
[Current thread is 1 (Thread 0x7fee76f16100 (LWP 2559))]

Thread 12 (Thread 0x7fee3e800700 (LWP 1418)):
#0  0x00007fee57cbf95d in pa_read () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.0.so
#1  0x00007fee57d47406 in pa_mainloop_prepare () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fee57d47ea4 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fee57d47f60 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fee57d5610d in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fee57cee37c in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.0.so
#6  0x00007fee79edc669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#7  0x00007fee7a6b7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fee3f28a700 (LWP 1385)):
#0  0x00007fee79ee32c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559a9a21e490) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fee79ee32c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559a9a21e440, cond=0x559a9a21e468) at pthread_cond_wait.c:508
#2  0x00007fee79ee32c6 in __pthread_cond_wait (cond=0x559a9a21e468, mutex=0x559a9a21e440) at pthread_cond_wait.c:638
#3  0x00007fee7aa3adef in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x559a9a21e440) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fee7aa3adef in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x7fee70013e50, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fee7aa3aee1 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x7fee70013e58, mutex=mutex@entry=0x7fee70013e50, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fee7c6f17b9 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x7fee70013e48) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  0x00007fee7c6f17b9 in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x7fee70013dd0) at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007fee7c6f1a1a in QSGRenderThread::run() (this=0x7fee70013dd0) at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007fee7aa34cc2 in QThreadPrivate::start(void*) (arg=0x7fee70013dd0) at thread/qthread_unix.cpp:361
#10 0x00007fee79edc669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#11 0x00007fee7a6b7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fee54b5e700 (LWP 5271)):
[KCrash Handler]
#6  0x00007fee6cb72128 in PlotSGNode::bind() (this=0x7575757575757575) at ./src/qmlcontrols/kquickcontrolsaddons/plotter.cpp:692
#7  0x00007fee6cb72128 in Plotter::render() (this=0x7fee68101d90) at ./src/qmlcontrols/kquickcontrolsaddons/plotter.cpp:692
#8  0x00007fee7ac275c8 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7fee54b5dc00, r=0x7fee68101d90, this=0x7fee44262ab0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#9  0x00007fee7ac275c8 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x559a99dda400, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3781
#10 0x00007fee7c746ba4 in QQuickWindowPrivate::renderSceneGraph(QSize const&) (this=this@entry=0x559a99e4be30, size=...) at items/qquickwindow.cpp:462
#11 0x00007fee7c6edc68 in QSGRenderThread::syncAndRender() (this=this@entry=0x7fee7000f750) at scenegraph/qsgthreadedrenderloop.cpp:646
#12 0x00007fee7c6f19d8 in QSGRenderThread::run() (this=0x7fee7000f750) at scenegraph/qsgthreadedrenderloop.cpp:730
#13 0x00007fee7aa34cc2 in QThreadPrivate::start(void*) (arg=0x7fee7000f750) at thread/qthread_unix.cpp:361
#14 0x00007fee79edc669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#15 0x00007fee7a6b7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fee3ffff700 (LWP 3486)):
#0  0x00007fee79ee32c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559a9ae25650) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fee79ee32c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559a9ae25600, cond=0x559a9ae25628) at pthread_cond_wait.c:508
#2  0x00007fee79ee32c6 in __pthread_cond_wait (cond=0x559a9ae25628, mutex=0x559a9ae25600) at pthread_cond_wait.c:638
#3  0x00007fee7aa3adef in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x559a9ae25600) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fee7aa3adef in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x559a9a220e10, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fee7aa3aee1 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x559a9a220e18, mutex=mutex@entry=0x559a9a220e10, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fee7c6f17b9 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x559a9a220e08) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  0x00007fee7c6f17b9 in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x559a9a220d90) at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007fee7c6f1a1a in QSGRenderThread::run() (this=0x559a9a220d90) at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007fee7aa34cc2 in QThreadPrivate::start(void*) (arg=0x559a9a220d90) at thread/qthread_unix.cpp:361
#10 0x00007fee79edc669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#11 0x00007fee7a6b7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fee55e40700 (LWP 2895)):
#0  0x00007fee79ee32c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559a99dd55e0) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fee79ee32c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559a99dd5590, cond=0x559a99dd55b8) at pthread_cond_wait.c:508
#2  0x00007fee79ee32c6 in __pthread_cond_wait (cond=0x559a99dd55b8, mutex=0x559a99dd5590) at pthread_cond_wait.c:638
#3  0x00007fee7aa3adef in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x559a99dd5590) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fee7aa3adef in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x559a9a29e580, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fee7aa3aee1 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x559a9a29e588, mutex=mutex@entry=0x559a9a29e580, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fee7c6f17b9 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x559a9a29e578) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  0x00007fee7c6f17b9 in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x559a9a29e500) at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007fee7c6f1a1a in QSGRenderThread::run() (this=0x559a9a29e500) at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007fee7aa34cc2 in QThreadPrivate::start(void*) (arg=0x559a9a29e500) at thread/qthread_unix.cpp:361
#10 0x00007fee79edc669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#11 0x00007fee7a6b7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fee56e53700 (LWP 2872)):
#0  0x00007fee790ed01f in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fee790ed96b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fee790edb73 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fee7ac536c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fee48000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fee7abfa63b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fee56e52d60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007fee7aa33a75 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007fee5763f01c in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007fee7aa34cc2 in QThreadPrivate::start(void*) (arg=0x559a9af00010) at thread/qthread_unix.cpp:361
#8  0x00007fee79edc669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#9  0x00007fee7a6b7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fee61c17700 (LWP 2677)):
#0  0x00007fee7a6a62ac in __GI___libc_read (nbytes=16, buf=0x7fee61c16b50, fd=16) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007fee7a6a62ac in __GI___libc_read (fd=16, buf=0x7fee61c16b50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fee7913569f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fee790ed58e in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fee790ed9e2 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fee790edb73 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fee7ac536c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fee50000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x00007fee7abfa63b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fee61c16d60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007fee7aa33a75 in QThread::exec() (this=this@entry=0x559a99505ec0) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007fee7c6698aa in QQuickPixmapReader::run() (this=0x559a99505ec0) at util/qquickpixmapcache.cpp:953
#10 0x00007fee7aa34cc2 in QThreadPrivate::start(void*) (arg=0x559a99505ec0) at thread/qthread_unix.cpp:361
#11 0x00007fee79edc669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#12 0x00007fee7a6b7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fee6c8c2700 (LWP 2666)):
#0  0x00007fee79ee32c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559a98397f40) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fee79ee32c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559a98397ef0, cond=0x559a98397f18) at pthread_cond_wait.c:508
#2  0x00007fee79ee32c6 in __pthread_cond_wait (cond=0x559a98397f18, mutex=0x559a98397ef0) at pthread_cond_wait.c:638
#3  0x00007fee7aa3adef in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x559a98397ef0) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fee7aa3adef in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x7fee641332e0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fee7aa3aee1 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x7fee641332e8, mutex=mutex@entry=0x7fee641332e0, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fee7c6f17b9 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x7fee641332d8) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  0x00007fee7c6f17b9 in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x7fee64133260) at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007fee7c6f1a1a in QSGRenderThread::run() (this=0x7fee64133260) at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007fee7aa34cc2 in QThreadPrivate::start(void*) (arg=0x7fee64133260) at thread/qthread_unix.cpp:361
#10 0x00007fee79edc669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#11 0x00007fee7a6b7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fee6d9f6700 (LWP 2644)):
#0  0x00007fee79ee32c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559a97debe6c) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fee79ee32c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559a97debe18, cond=0x559a97debe40) at pthread_cond_wait.c:508
#2  0x00007fee79ee32c6 in __pthread_cond_wait (cond=0x559a97debe40, mutex=0x559a97debe18) at pthread_cond_wait.c:638
#3  0x00007fee6e0c397b in cnd_wait (mtx=0x559a97debe18, cond=0x559a97debe40) at ../include/c11/threads_posix.h:155
#4  0x00007fee6e0c397b in util_queue_thread_func (input=input@entry=0x559a9816e450) at ../src/util/u_queue.c:258
#5  0x00007fee6e0c359b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007fee79edc669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#7  0x00007fee7a6b7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fee6ffff700 (LWP 2635)):
#0  0x00007fee7a6a62ac in __GI___libc_read (nbytes=16, buf=0x7fee6fffeb70, fd=10) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007fee7a6a62ac in __GI___libc_read (fd=10, buf=0x7fee6fffeb70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fee7913569f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fee790ed58e in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fee790ed9e2 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fee790edb73 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fee7ac536c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fee64000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x00007fee7abfa63b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fee6fffed80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007fee7aa33a75 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007fee7c394319 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fee7aa34cc2 in QThreadPrivate::start(void*) (arg=0x559a97e48a30) at thread/qthread_unix.cpp:361
#11 0x00007fee79edc669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#12 0x00007fee7a6b7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fee75284700 (LWP 2572)):
#0  0x00007fee7a6a62ac in __GI___libc_read (nbytes=16, buf=0x7fee75283b60, fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007fee7a6a62ac in __GI___libc_read (fd=7, buf=0x7fee75283b60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fee7913569f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fee790ed58e in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fee790ed9e2 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fee790edb73 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fee7ac536c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fee68000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x00007fee7abfa63b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fee75283d70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007fee7aa33a75 in QThread::exec() (this=this@entry=0x7fee7b599d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007fee7b516efa in QDBusConnectionManager::run() (this=0x7fee7b599d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#10 0x00007fee7aa34cc2 in QThreadPrivate::start(void*) (arg=0x7fee7b599d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:361
#11 0x00007fee79edc669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#12 0x00007fee7a6b7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fee76f16100 (LWP 2559)):
#0  0x00007fee79ee32c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559a9c0f5484) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fee79ee32c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559a9c0f5430, cond=0x559a9c0f5458) at pthread_cond_wait.c:508
#2  0x00007fee79ee32c6 in __pthread_cond_wait (cond=0x559a9c0f5458, mutex=0x559a9c0f5430) at pthread_cond_wait.c:638
#3  0x00007fee7aa3adef in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x559a9c0f5430) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fee7aa3adef in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x7fee7000f790, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fee7aa3aee1 in QWaitCondition::wait(QMutex*, unsigned long) (this=0x7fee7000f798, mutex=0x7fee7000f790, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fee7c6efd87 in QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window*, bool) (this=this@entry=0x559a982444a0, w=0x7fee70010410, inExpose=inExpose@entry=false) at scenegraph/qsgthreadedrenderloop.cpp:1217
#7  0x00007fee7c6f0952 in QSGThreadedRenderLoop::handleUpdateRequest(QQuickWindow*) (this=0x559a982444a0, window=0x559a99dda400) at scenegraph/qsgthreadedrenderloop.cpp:1042
#8  0x00007fee7c752726 in QQuickWindow::event(QEvent*) (this=0x559a99dda400, e=0x7ffcb8f6c090) at items/qquickwindow.cpp:1668
#9  0x00007fee7cedfb8b in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#10 0x00007fee7b79ba86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x559a97be4e80, receiver=receiver@entry=0x559a99dda400, e=e@entry=0x7ffcb8f6c090) at kernel/qapplication.cpp:3737
#11 0x00007fee7b7a4e00 in QApplication::notify(QObject*, QEvent*) (this=0x7ffcb8f6c6b0, receiver=0x559a99dda400, e=0x7ffcb8f6c090) at kernel/qapplication.cpp:3483
#12 0x00007fee7abfba9a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x559a99dda400, event=0x7ffcb8f6c090) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#13 0x00007fee7afd4ae4 in QPlatformWindow::deliverUpdateRequest() (this=<optimized out>) at kernel/qplatformwindow.cpp:793
#14 0x00007fee7afd4ae4 in QPlatformWindow::windowEvent(QEvent*) (this=<optimized out>, event=<optimized out>) at kernel/qplatformwindow.cpp:478
#15 0x00007fee7b7a4b7b in QApplication::notify(QObject*, QEvent*) (this=0x7ffcb8f6c6b0, receiver=0x559a99dda400, e=0x7ffcb8f6c320) at kernel/qapplication.cpp:2943
#16 0x00007fee7abfba9a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x559a99dda400, event=0x7ffcb8f6c320) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#17 0x00007fee7ac52a00 in QTimerInfoList::activateTimers() (this=0x559a97ca8a70) at kernel/qtimerinfo_unix.cpp:643
#18 0x00007fee7ac532dc in timerSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:182
#19 0x00007fee790ed84d in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fee790edad0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fee790edb73 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fee7ac536a5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x559a97cbad40, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#23 0x00007fee7abfa63b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffcb8f6c560, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#24 0x00007fee7ac023a6 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#25 0x0000559a95dd66aa in  ()
#26 0x00007fee7a5bc1e3 in __libc_start_main (main=0x559a95dd5b80, argc=1, argv=0x7ffcb8f6c828, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcb8f6c818) at ../csu/libc-start.c:308
#27 0x0000559a95dd6ade in _start ()
[Inferior 1 (process 2559) detached]

Possible duplicates by query: bug 415080, bug 414847, bug 414768, bug 414700, bug 413641.

Reported using DrKonqi
Comment 1 Nate Graham 2020-01-12 18:19:32 UTC 

*** This bug has been marked as a duplicate of bug 415080 ***