SUMMARY
I had 3 or 4 windows open, Plasma crashed when I clicked an entry of the task manager to focus another window.

Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.16.80
KDE Frameworks Version: 5.61.0
Qt Version: 5.12.3


Thread 22 (Thread 0x7f9e3cb30700 (LWP 2021)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557d04dae424) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557d04dae3d0, cond=0x557d04dae3f8)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557d04dae3f8, mutex=0x557d04dae3d0) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557d04dae3d0)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557cfdeeb240, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=0x557d04dc15e8, mutex=0x557cfdeeb240, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9e86624c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x557d04daabe0, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f9e86625925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x557d04daabe0, th=<optimized out>, th@entry=0x557cfdd99c80, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f9e866297d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557cfdd99c80, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557cfdd99c80, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557cfdd99c80, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557cfdd99c80, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f9e8662769b in ThreadWeaver::Thread::run (this=0x557cfdd99c80) at ./src/thread.cpp:103
#13 0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557cfdd99c80) at thread/qthread_unix.cpp:361
#14 0x00007f9ecd46c6db in start_thread (arg=0x7f9e3cb30700) at pthread_create.c:463
#15 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f9e3d331700 (LWP 2020)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557d04dae424) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557d04dae3d0, cond=0x557d04dae3f8)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557d04dae3f8, mutex=0x557d04dae3d0) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557d04dae3d0)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557cfdeeb240, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=0x557d04dc15e8, mutex=0x557cfdeeb240, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9e86624c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x557d04daabe0, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f9e86625925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x557d04daabe0, th=<optimized out>, th@entry=0x7f9e58006850, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f9e866297d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x7f9e58006850, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x7f9e58006850, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x7f9e58006850, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x7f9e58006850, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f9e8662769b in ThreadWeaver::Thread::run (this=0x7f9e58006850) at ./src/thread.cpp:103
#13 0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x7f9e58006850) at thread/qthread_unix.cpp:361
#14 0x00007f9ecd46c6db in start_thread (arg=0x7f9e3d331700) at pthread_create.c:463
#15 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f9e35d9a700 (LWP 4249)):
#0  0x00007f9ecfe25bf9 in __GI___poll (fds=0x7f9e24004be0, nfds=1, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9ec9d605c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9ec9d606dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9ed0768dcb in QEventDispatcherGlib::processEvents (this=0x7f9e2408b740, flags=...)
    at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f9ed070a03a in QEventLoop::exec (this=this@entry=0x7f9e35d99d30, flags=..., 
    flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f9ed05314ca in QThread::exec (this=this@entry=0x557cfd49ee40) at thread/qthread.cpp:531
#6  0x00007f9ed44b6926 in QQuickPixmapReader::run (this=0x557cfd49ee40)
    at util/qquickpixmapcache.cpp:953
#7  0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557cfd49ee40) at thread/qthread_unix.cpp:361
#8  0x00007f9ecd46c6db in start_thread (arg=0x7f9e35d9a700) at pthread_create.c:463
#9  0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f9e37fff700 (LWP 2022)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557d04dae424) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557d04dae3d0, cond=0x557d04dae3f8)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557d04dae3f8, mutex=0x557d04dae3d0) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557d04dae3d0)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557cfdeeb240, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=0x557d04dc15e8, mutex=0x557cfdeeb240, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9e86624c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x557d04daabe0, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f9e86625925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x557d04daabe0, th=<optimized out>, th@entry=0x7f9e58000b20, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f9e866297d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x7f9e58000b20, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x7f9e58000b20, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x7f9e58000b20, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x7f9e58000b20, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f9e8662769b in ThreadWeaver::Thread::run (this=0x7f9e58000b20) at ./src/thread.cpp:103
#13 0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x7f9e58000b20) at thread/qthread_unix.cpp:361
#14 0x00007f9ecd46c6db in start_thread (arg=0x7f9e37fff700) at pthread_create.c:463
#15 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f9e34de1700 (LWP 5689)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557d0518ee50) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557d0518ee00, cond=0x557d0518ee28)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557d0518ee28, mutex=0x557d0518ee00) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557d0518ee00)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557d004f65a0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=this@entry=0x557d004f65a8, 
    mutex=mutex@entry=0x557d004f65a0, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9ed453c6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x557d004f6598)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x557d004f6520)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f9ed453cb2a in QSGRenderThread::run (this=0x557d004f6520)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557d004f6520) at thread/qthread_unix.cpp:361
#10 0x00007f9ecd46c6db in start_thread (arg=0x7f9e34de1700) at pthread_create.c:463
#11 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f9e377fe700 (LWP 2023)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557d04dae424) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557d04dae3d0, cond=0x557d04dae3f8)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557d04dae3f8, mutex=0x557d04dae3d0) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557d04dae3d0)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557cfdeeb240, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=0x557d04dc15e8, mutex=0x557cfdeeb240, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9e86624c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x557d04daabe0, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f9e86625925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x557d04daabe0, th=<optimized out>, th@entry=0x557cffc89350, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f9e866297d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557cffc89350, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557cffc89350, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557cffc89350, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557cffc89350, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f9e8662769b in ThreadWeaver::Thread::run (this=0x557cffc89350) at ./src/thread.cpp:103
#13 0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557cffc89350) at thread/qthread_unix.cpp:361
#14 0x00007f9ecd46c6db in start_thread (arg=0x7f9e377fe700) at pthread_create.c:463
#15 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f9e53fff700 (LWP 2019)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557d04dae424) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557d04dae3d0, cond=0x557d04dae3f8)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557d04dae3f8, mutex=0x557d04dae3d0) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557d04dae3d0)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557cfdeeb240, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=0x557d04dc15e8, mutex=0x557cfdeeb240, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9e86624c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x557d04daabe0, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f9e86625925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x557d04daabe0, th=<optimized out>, th@entry=0x7f9e980036e0, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f9e866297d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x7f9e980036e0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x7f9e980036e0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x7f9e980036e0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x7f9e980036e0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f9e8662769b in ThreadWeaver::Thread::run (this=0x7f9e980036e0) at ./src/thread.cpp:103
#13 0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x7f9e980036e0) at thread/qthread_unix.cpp:361
#14 0x00007f9ecd46c6db in start_thread (arg=0x7f9e53fff700) at pthread_create.c:463
#15 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f9e60857700 (LWP 2018)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557d04dae424) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557d04dae3d0, cond=0x557d04dae3f8)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557d04dae3f8, mutex=0x557d04dae3d0) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557d04dae3d0)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557cfdeeb240, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=0x557d04dc15e8, mutex=0x557cfdeeb240, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9e86624c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x557d04daabe0, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f9e86625925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x557d04daabe0, th=<optimized out>, th@entry=0x557cfb4effa0, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f9e866297d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557cfb4effa0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557cfb4effa0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557cfb4effa0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557cfb4effa0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f9e8662769b in ThreadWeaver::Thread::run (this=0x557cfb4effa0) at ./src/thread.cpp:103
#13 0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557cfb4effa0) at thread/qthread_unix.cpp:361
#14 0x00007f9ecd46c6db in start_thread (arg=0x7f9e60857700) at pthread_create.c:463
#15 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f9e9d33b700 (LWP 2017)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557d04dae424) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557d04dae3d0, cond=0x557d04dae3f8)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557d04dae3f8, mutex=0x557d04dae3d0) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557d04dae3d0)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557cfdeeb240, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=0x557d04dc15e8, mutex=0x557cfdeeb240, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9e86624c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x557d04daabe0, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f9e86625925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x557d04daabe0, th=<optimized out>, th@entry=0x557d005523c0, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f9e866297d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557d005523c0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557d005523c0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557d005523c0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557d005523c0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f9e8662769b in ThreadWeaver::Thread::run (this=0x557d005523c0) at ./src/thread.cpp:103
#13 0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557d005523c0) at thread/qthread_unix.cpp:361
#14 0x00007f9ecd46c6db in start_thread (arg=0x7f9e9d33b700) at pthread_create.c:463
#15 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f9ebaecd700 (LWP 1338)):
#0  0x00007f9ecfe210b4 in __GI___libc_read (fd=7, buf=0x7f9ebaeccb60, nbytes=16)
    at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f9ec9da52d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9ec9d600b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9ec9d60570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9ec9d606dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9ed0768dcb in QEventDispatcherGlib::processEvents (this=0x7f9eb4000b20, flags=...)
    at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f9ed070a03a in QEventLoop::exec (this=this@entry=0x7f9ebaeccd70, flags=..., 
    flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f9ed05314ca in QThread::exec (
    this=this@entry=0x7f9ed1a8bd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>)
    at thread/qthread.cpp:531
#8  0x00007f9ed1814015 in QDBusConnectionManager::run (
    this=0x7f9ed1a8bd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>)
    at qdbusconnection.cpp:178
#9  0x00007f9ed0532c72 in QThreadPrivate::start (
    arg=0x7f9ed1a8bd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>)
    at thread/qthread_unix.cpp:361
#10 0x00007f9ecd46c6db in start_thread (arg=0x7f9ebaecd700) at pthread_create.c:463
#11 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f9e61058700 (LWP 2016)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557d04dae424) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557d04dae3d0, cond=0x557d04dae3f8)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557d04dae3f8, mutex=0x557d04dae3d0) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557d04dae3d0)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557cfdeeb240, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=0x557d04dc15e8, mutex=0x557cfdeeb240, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9e86624c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x557d04daabe0, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f9e86625925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x557d04daabe0, th=<optimized out>, th@entry=0x557d04ebe460, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f9e866297d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#13 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#14 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#15 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#16 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#17 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#18 0x00007f9e86629832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x557d04d1f580, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#19 0x00007f9e86624bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x557d04ebe460, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#20 0x00007f9e8662769b in ThreadWeaver::Thread::run (this=0x557d04ebe460) at ./src/thread.cpp:103
#21 0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557d04ebe460) at thread/qthread_unix.cpp:361
#22 0x00007f9ecd46c6db in start_thread (arg=0x7f9e61058700) at pthread_create.c:463
#23 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f9e52dde700 (LWP 1565)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557d005c1c64) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557d005c1c10, cond=0x557d005c1c38)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557d005c1c38, mutex=0x557d005c1c10) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557d005c1c10)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557d00498570, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=this@entry=0x557d00498578, 
    mutex=mutex@entry=0x557d00498570, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9ed453c6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x557d00498568)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x557d004984f0)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f9ed453cb2a in QSGRenderThread::run (this=0x557d004984f0)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557d004984f0) at thread/qthread_unix.cpp:361
#10 0x00007f9ecd46c6db in start_thread (arg=0x7f9e52dde700) at pthread_create.c:463
#11 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f9eab3ac700 (LWP 1491)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557cfb254e4c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557cfb254df8, cond=0x557cfb254e20)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557cfb254e20, mutex=0x557cfb254df8) at pthread_cond_wait.c:655
#3  0x00007f9eb06ac31a in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f9eb06ac047 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f9ecd46c6db in start_thread (arg=0x7f9eab3ac700) at pthread_create.c:463
#6  0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f9e9c92f700 (LWP 1503)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557cfb746160) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557cfb746110, cond=0x557cfb746138)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557cfb746138, mutex=0x557cfb746110) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557cfb746110)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557cfb922f50, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=this@entry=0x557cfb922f58, 
    mutex=mutex@entry=0x557cfb922f50, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9ed453c6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x557cfb922f48)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x557cfb922ed0)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f9ed453cb2a in QSGRenderThread::run (this=0x557cfb922ed0)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557cfb922ed0) at thread/qthread_unix.cpp:361
#10 0x00007f9ecd46c6db in start_thread (arg=0x7f9e9c92f700) at pthread_create.c:463
#11 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f9e535df700 (LWP 1540)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557cffdf5984) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557cffdf5930, cond=0x557cffdf5958)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557cffdf5958, mutex=0x557cffdf5930) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557cffdf5930)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557d001779f0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=this@entry=0x557d001779f8, 
    mutex=mutex@entry=0x557d001779f0, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9ed453c6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x557d001779e8)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x557d00177970)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f9ed453cb2a in QSGRenderThread::run (this=0x557d00177970)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557d00177970) at thread/qthread_unix.cpp:361
#10 0x00007f9ecd46c6db in start_thread (arg=0x7f9e535df700) at pthread_create.c:463
#11 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f9ed66e5800 (LWP 1328)):
#0  0x00007f9ecfe25bf9 in __GI___poll (fds=fds@entry=0x7fffb9928bc8, nfds=nfds@entry=1, 
    timeout=timeout@entry=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9ed3117bf4 in poll (__timeout=1000, __nfds=1, __fds=0x7fffb9928bc8)
    at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  pollDrKonqiSocket (pid=7573, sockfd=4) at ./src/kcrash.cpp:908
#3  0x00007f9ed31181f1 in startProcessInternal (argc=argc@entry=22, argv=argv@entry=0x7fffb9928d60, 
    waitAndExit=waitAndExit@entry=true, directly=directly@entry=false) at ./src/kcrash.cpp:683
#4  0x00007f9ed3118a6e in KCrash::startProcess (argc=argc@entry=22, argv=argv@entry=0x7fffb9928d60, 
    waitAndExit=waitAndExit@entry=true) at ./src/kcrash.cpp:636
#5  0x00007f9ed3118f97 in KCrash::defaultCrashHandler (sig=11) at ./src/kcrash.cpp:534
#6  <signal handler called>
#7  0x0000000000000000 in ?? ()
#8  0x00007f9ed3e1c215 in QV4::Object::get (receiver=0x7fffb9929488, hasProperty=0x0, 
    name=0x7fffb9929490, this=0x7fffb9929488) at jsruntime/qv4object_p.h:308
#9  QV4::Lookup::getterProtoTwoClasses (l=<optimized out>, engine=<optimized out>, object=...)
    at jsruntime/qv4lookup.cpp:301
#10 0x00007f9ed3f1ec0a in QV4::Runtime::method_callPropertyLookup (engine=0x557cfb261100, 
    base=0x7f9eb8207578, index=<optimized out>, argv=0x7f9eb8207510, argc=0)
    at jsruntime/qv4runtime.cpp:1420
#11 0x00007f9e500153b9 in ?? ()
#12 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f9e690a1700 (LWP 1531)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x557d0049f184) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557d0049f130, cond=0x557d0049f158)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557d0049f158, mutex=0x557d0049f130) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x557d0049f130)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x7f9ebc0083b0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=this@entry=0x7f9ebc0083b8, 
    mutex=mutex@entry=0x7f9ebc0083b0, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9ed453c6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x7f9ebc0083a8)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x7f9ebc008330)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f9ed453cb2a in QSGRenderThread::run (this=0x7f9ebc008330)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x7f9ebc008330) at thread/qthread_unix.cpp:361
#10 0x00007f9ecd46c6db in start_thread (arg=0x7f9e690a1700) at pthread_create.c:463
#11 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f9e7d18c700 (LWP 1521)):
#0  0x00007f9ecd4729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x7f9ebc00b960) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9ebc00b910, cond=0x7f9ebc00b938)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f9ebc00b938, mutex=0x7f9ebc00b910) at pthread_cond_wait.c:655
#3  0x00007f9ed0539dbb in QWaitConditionPrivate::wait (deadline=..., this=0x7f9ebc00b910)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557cfde68630, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9ed053a0c9 in QWaitCondition::wait (this=this@entry=0x557cfde68638, 
    mutex=mutex@entry=0x557cfde68630, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9ed453c6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x557cfde68628)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x557cfde685b0)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f9ed453cb2a in QSGRenderThread::run (this=0x557cfde685b0)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557cfde685b0) at thread/qthread_unix.cpp:361
#10 0x00007f9ecd46c6db in start_thread (arg=0x7f9e7d18c700) at pthread_create.c:463
#11 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f9eb8e46700 (LWP 1490)):
#0  0x00007f9ecfe25bf9 in __GI___poll (fds=0x7f9eac004a00, nfds=1, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9ec9d605c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9ec9d606dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9ed0768dcb in QEventDispatcherGlib::processEvents (this=0x7f9eac000b20, flags=...)
    at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f9ed070a03a in QEventLoop::exec (this=this@entry=0x7f9eb8e45d80, flags=..., 
    flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f9ed05314ca in QThread::exec (this=this@entry=0x557cfb2b8d60) at thread/qthread.cpp:531
#6  0x00007f9ed3ff1115 in QQmlThreadPrivate::run (this=0x557cfb2b8d60) at qml/ftw/qqmlthread.cpp:148
#7  0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557cfb2b8d60) at thread/qthread_unix.cpp:361
#8  0x00007f9ecd46c6db in start_thread (arg=0x7f9eb8e46700) at pthread_create.c:463
#9  0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f9e6205a700 (LWP 1535)):
#0  0x00007f9ecfe33ec7 in socket () at ../sysdeps/unix/syscall-template.S:78
#1  0x00007f9e6828a91c in qGetInterfaceType (interface=...) at qgenericengine.cpp:132
#2  0x00007f9e6828b8b4 in QGenericEngine::doRequestUpdate (this=0x557cfe4d85b0)
    at qgenericengine.cpp:305
#3  0x00007f9ed071cfb5 in QMetaMethod::invoke (this=this@entry=0x7f9e62059410, object=object@entry=
    0x557cfe4d85b0, connectionType=Qt::DirectConnection, connectionType@entry=Qt::AutoConnection, 
    returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., 
    val8=..., val9=...) at kernel/qmetaobject.cpp:2295
#4  0x00007f9ed071ef28 in QMetaObject::invokeMethod (obj=0x557cfe4d85b0, 
    member=member@entry=0x7f9ecdb78d44 "requestUpdate", type=type@entry=Qt::AutoConnection, ret=..., 
    val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., 
    val9=...) at kernel/qmetaobject.cpp:1509
#5  0x00007f9ecdadd4fb in QMetaObject::invokeMethod (val9=..., val8=..., val7=..., val6=..., 
    val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., 
    member=0x7f9ecdb78d44 "requestUpdate", obj=<optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs.h:461
#6  QNetworkConfigurationManagerPrivate::pollEngines (this=0x557cfe4dc130)
    at bearer/qnetworkconfigmanager_p.cpp:490
#7  0x00007f9ecdb6d325 in QNetworkConfigurationManagerPrivate::qt_static_metacall (
    _o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>)
    at .moc/moc_qnetworkconfigmanager_p.cpp:131
#8  0x00007f9ed073b875 in QMetaObject::activate (sender=sender@entry=0x7f9e5c015360, 
    signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, 
    argv=argv@entry=0x7f9e620599e0) at kernel/qobject.cpp:3795
#9  0x00007f9ed073bf47 in QMetaObject::activate (sender=sender@entry=0x7f9e5c015360, 
    m=m@entry=0x7f9ed0bb8da0 <QTimer::staticMetaObject>, 
    local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7f9e620599e0)
    at kernel/qobject.cpp:3648
#10 0x00007f9ed0748757 in QTimer::timeout (this=this@entry=0x7f9e5c015360, _t1=...)
    at .moc/moc_qtimer.cpp:204
#11 0x00007f9ed0748ab8 in QTimer::timerEvent (this=0x7f9e5c015360, e=<optimized out>)
    at kernel/qtimer.cpp:255
#12 0x00007f9ed073c39b in QObject::event (this=0x7f9e5c015360, e=<optimized out>)
    at kernel/qobject.cpp:1282
#13 0x00007f9ed070bd01 in doNotify (event=0x7f9e62059b50, receiver=0x7f9e5c015360)
    at kernel/qcoreapplication.cpp:1150
#14 QCoreApplication::notify (event=<optimized out>, receiver=<optimized out>, this=<optimized out>)
    at kernel/qcoreapplication.cpp:1136
#15 QCoreApplication::notifyInternal2 (receiver=0x7f9e5c015360, event=0x7f9e62059b50)
    at kernel/qcoreapplication.cpp:1060
#16 0x00007f9ed0768219 in QTimerInfoList::activateTimers (this=0x7f9e5c0048c0)
    at kernel/qtimerinfo_unix.cpp:643
#17 0x00007f9ed07689e1 in timerSourceDispatch (source=<optimized out>)
    at kernel/qeventdispatcher_glib.cpp:182
#18 0x00007f9ec9d60417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f9ec9d60650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f9ec9d606dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f9ed0768dcb in QEventDispatcherGlib::processEvents (this=0x7f9e5c000b20, flags=...)
    at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007f9ed070a03a in QEventLoop::exec (this=this@entry=0x7f9e62059da0, flags=..., 
    flags@entry=...) at kernel/qeventloop.cpp:225
#23 0x00007f9ed05314ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#24 0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557d01e78c10) at thread/qthread_unix.cpp:361
#25 0x00007f9ecd46c6db in start_thread (arg=0x7f9e6205a700) at pthread_create.c:463
#26 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f9ec128d700 (LWP 1333)):
#0  0x00007f9ecfe25bf9 in __GI___poll (fds=0x7f9ec128cca8, nfds=1, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9ed510e747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9ed511036a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9ec3c60578 in QXcbEventQueue::run (this=0x557cfb0623d0) at qxcbeventqueue.cpp:228
#4  0x00007f9ed0532c72 in QThreadPrivate::start (arg=0x557cfb0623d0) at thread/qthread_unix.cpp:361
#5  0x00007f9ecd46c6db in start_thread (arg=0x7f9ec128d700) at pthread_create.c:463
#6  0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f9e61859700 (LWP 1536)):
#0  0x00007f9ec9d65ea1 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9ec9d66f3c in g_log_default_handler () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9ec9d671cd in g_logv () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9ec9d6733f in g_log () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e8d5ff7b7 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f9e8d5ff865 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f9ec9d60285 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f9ec9d60650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f9ec9d606dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f9ec9d60721 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f9ec9d88195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f9ecd46c6db in start_thread (arg=0x7f9e61859700) at pthread_create.c:463
#12 0x00007f9ecfe3288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95