Application: plasmashell (5.23.80)

Qt Version: 5.15.3
Frameworks Version: 5.89.0
Operating System: Linux 5.11.0-40-generic x86_64
Windowing System: Wayland
Distribution: KDE neon Unstable Edition
DrKonqi: 5.23.80 [CoredumpBackend]

-- Information about the crash:
- What I was doing when the application crashed:
I clsoed all running apps (Opera and Strawberry music player) with middle-click on their entries in task manager, Plasma crashed.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = 0x0}
[New LWP 14068]
[New LWP 14331]
[New LWP 19844]
[New LWP 14229]
[New LWP 14220]
[New LWP 14123]
[New LWP 14124]
[New LWP 14125]
[New LWP 14105]
[New LWP 14264]
[New LWP 14307]
[New LWP 27484]
[New LWP 14299]
[New LWP 27488]
[New LWP 27486]
[New LWP 27490]
[New LWP 27487]
[New LWP 27489]
[New LWP 19845]
[New LWP 15225]
[New LWP 14256]
[New LWP 14126]
[New LWP 27485]
[New LWP 27482]
[New LWP 27483]
[New LWP 27491]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/plasmashell'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  __GI_raise (sig=sig@entry=11) at ../sysdeps/unix/sysv/linux/raise.c:50
[Current thread is 1 (Thread 0x7f2961a1a4c0 (LWP 14068))]
__preamble__

[Current thread is 1 (Thread 0x7f2961a1a4c0 (LWP 14068))]

Thread 26 (Thread 0x7f28b3fff700 (LWP 27491)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f77c868654) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f77c868600, cond=0x55f77c868628) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f77c868628, mutex=0x55f77c868600) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f77c868600) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f792962380, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f2921d88bac in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x55f77905a630, th=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007f2921d89930 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x55f77905a630, th=<optimized out>, th@entry=0x55f776047ba0, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:561
#7  0x00007f2921d8adce in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x55f776047ba0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:43
#8  0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x55f776047ba0, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#9  0x00007f2921d8ae29 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x55f776047ba0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:49
#10 0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x55f776047ba0, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#11 0x00007f2921d87bd3 in ThreadWeaver::Thread::run (this=0x55f776047ba0) at ./src/thread.cpp:86
#12 0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f776047ba0) at thread/qthread_unix.cpp:329
#13 0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f28fa8b9700 (LWP 27483)):
#0  0x00007f29658c1aff in __GI___poll (fds=0x55f7951b45f0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f296415f36e in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x55f7951b45f0, timeout=<optimized out>, context=0x55f7951b1ca0) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=0x55f7951b1ca0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f296415f6f3 in g_main_loop_run (loop=0x55f7951b1d90) at ../../../glib/gmain.c:4241
#4  0x00007f29224f5f8a in gdbus_shared_thread_func (user_data=0x55f7951a2090) at ../../../gio/gdbusprivate.c:279
#5  0x00007f2964188ad1 in g_thread_proxy (data=0x55f7951ab240) at ../../../glib/gthread.c:807
#6  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f293d9d3700 (LWP 27482)):
#0  0x00007f29658c1aff in __GI___poll (fds=0x55f7951a4800, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f296415f36e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x55f7951a4800, timeout=<optimized out>, context=0x55f7951a46e0) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x55f7951a46e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f296415f4a3 in g_main_context_iteration (context=0x55f7951a46e0, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f296415f4f1 in glib_worker_main (data=<optimized out>) at ../../../glib/gmain.c:5996
#5  0x00007f2964188ad1 in g_thread_proxy (data=0x7f29340022a0) at ../../../glib/gthread.c:807
#6  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f28cb753700 (LWP 27485)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f77c868654) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f77c868600, cond=0x55f77c868628) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f77c868628, mutex=0x55f77c868600) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f77c868600) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f792962380, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f2921d88bac in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x55f77905a630, th=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007f2921d89930 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x55f77905a630, th=<optimized out>, th@entry=0x55f7760cc5b0, threadWasBusy=threadWasBusy@entry=true, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:561
#7  0x00007f2921d8adce in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x55f7760cc5b0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:43
#8  0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x55f7760cc5b0, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#9  0x00007f2921d87bd3 in ThreadWeaver::Thread::run (this=0x55f7760cc5b0) at ./src/thread.cpp:86
#10 0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f7760cc5b0) at thread/qthread_unix.cpp:329
#11 0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f295997b700 (LWP 14126)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f7758a532c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f7758a52d8, cond=0x55f7758a5300) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f7758a5300, mutex=0x55f7758a52d8) at pthread_cond_wait.c:647
#3  0x00007f295b34cb1b in cnd_wait (mtx=0x55f7758a52d8, cond=0x55f7758a5300) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55f7759fc980) at ../src/util/u_queue.c:294
#5  0x00007f295b34c71b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f293eeb3700 (LWP 14256)):
#0  0x00007f29658c1aff in __GI___poll (fds=0x7f2934012320, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f296415f36e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f2934012320, timeout=<optimized out>, context=0x7f2934010330) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f2934010330, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f296415f4a3 in g_main_context_iteration (context=0x7f2934010330, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f2965e8f602 in QEventDispatcherGlib::processEvents (this=0x7f293400f720, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f2965e338ab in QEventLoop::exec (this=this@entry=0x7f293eeb2ba0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f2965c4d2c2 in QThread::exec (this=this@entry=0x55f776191f20) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f29677fb3fa in QQuickPixmapReader::run (this=0x55f776191f20) at util/qquickpixmapcache.cpp:1024
#8  0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f776191f20) at thread/qthread_unix.cpp:329
#9  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f293e1d4700 (LWP 15225)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f77c2dc614) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f77c2dc5c0, cond=0x55f77c2dc5e8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f77c2dc5e8, mutex=0x55f77c2dc5c0) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f77c2dc5c0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=this@entry=0x55f77bb6d188, mutex=mutex@entry=0x55f77bb6d180, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f29678c0c24 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55f77bb6d178) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55f77bb6d0e0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f29678c1099 in QSGRenderThread::run (this=0x55f77bb6d0e0) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f77bb6d0e0) at thread/qthread_unix.cpp:329
#9  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f293c9d1700 (LWP 19845)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f2928000e54) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f2928000e00, cond=0x7f2928000e28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f2928000e28, mutex=0x7f2928000e00) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x7f2928000e00) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=this@entry=0x55f7863e6228, mutex=mutex@entry=0x55f7863e6220, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f29678c0c24 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55f7863e6218) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55f7863e6180) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f29678c1099 in QSGRenderThread::run (this=0x55f7863e6180) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f7863e6180) at thread/qthread_unix.cpp:329
#9  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f28c974f700 (LWP 27489)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f77c868654) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f77c868600, cond=0x55f77c868628) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f77c868628, mutex=0x55f77c868600) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f77c868600) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f792962380, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f2921d88bac in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x55f77905a630, th=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007f2921d89930 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x55f77905a630, th=<optimized out>, th@entry=0x55f776046e00, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:561
#7  0x00007f2921d8adce in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x55f776046e00, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:43
#8  0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x55f776046e00, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#9  0x00007f2921d8ae29 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x55f776046e00, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:49
#10 0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x55f776046e00, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#11 0x00007f2921d87bd3 in ThreadWeaver::Thread::run (this=0x55f776046e00) at ./src/thread.cpp:86
#12 0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f776046e00) at thread/qthread_unix.cpp:329
#13 0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f28ca751700 (LWP 27487)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f77c868654) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f77c868600, cond=0x55f77c868628) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f77c868628, mutex=0x55f77c868600) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f77c868600) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f792962380, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f2921d88bac in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x55f77905a630, th=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007f2921d89930 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x55f77905a630, th=<optimized out>, th@entry=0x7f28bc003da0, threadWasBusy=threadWasBusy@entry=true, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:561
#7  0x00007f2921d8adce in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x7f28bc003da0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:43
#8  0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f28bc003da0, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#9  0x00007f2921d87bd3 in ThreadWeaver::Thread::run (this=0x7f28bc003da0) at ./src/thread.cpp:86
#10 0x00007f2965c4e45c in QThreadPrivate::start (arg=0x7f28bc003da0) at thread/qthread_unix.cpp:329
#11 0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f28c8f4e700 (LWP 27490)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f77c868654) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f77c868600, cond=0x55f77c868628) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f77c868628, mutex=0x55f77c868600) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f77c868600) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f792962380, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f2921d88bac in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x55f77905a630, th=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007f2921d89930 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x55f77905a630, th=<optimized out>, th@entry=0x55f7760474c0, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:561
#7  0x00007f2921d8adce in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x55f7760474c0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:43
#8  0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x55f7760474c0, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#9  0x00007f2921d8ae29 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x55f7760474c0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:49
#10 0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x55f7760474c0, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#11 0x00007f2921d87bd3 in ThreadWeaver::Thread::run (this=0x55f7760474c0) at ./src/thread.cpp:86
#12 0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f7760474c0) at thread/qthread_unix.cpp:329
#13 0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f28caf52700 (LWP 27486)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f77c868654) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f77c868600, cond=0x55f77c868628) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f77c868628, mutex=0x55f77c868600) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f77c868600) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f792962380, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f2921d88bac in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x55f77905a630, th=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007f2921d89930 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x55f77905a630, th=<optimized out>, th@entry=0x7f28c40039a0, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:561
#7  0x00007f2921d8adce in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x7f28c40039a0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:43
#8  0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f28c40039a0, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#9  0x00007f2921d8ae29 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x7f28c40039a0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:49
#10 0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f28c40039a0, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#11 0x00007f2921d87bd3 in ThreadWeaver::Thread::run (this=0x7f28c40039a0) at ./src/thread.cpp:86
#12 0x00007f2965c4e45c in QThreadPrivate::start (arg=0x7f28c40039a0) at thread/qthread_unix.cpp:329
#13 0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f28c9f50700 (LWP 27488)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f77c868654) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f77c868600, cond=0x55f77c868628) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f77c868628, mutex=0x55f77c868600) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f77c868600) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f792962380, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f2921d88bac in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x55f77905a630, th=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007f2921d89930 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x55f77905a630, th=<optimized out>, th@entry=0x55f776046810, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:561
#7  0x00007f2921d8adce in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x55f776046810, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:43
#8  0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x55f776046810, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#9  0x00007f2921d8ae29 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x55f776046810, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:49
#10 0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x55f776046810, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#11 0x00007f2921d87bd3 in ThreadWeaver::Thread::run (this=0x55f776046810) at ./src/thread.cpp:86
#12 0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f776046810) at thread/qthread_unix.cpp:329
#13 0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f2917fff700 (LWP 14299)):
#0  0x00007f29658c1aff in __GI___poll (fds=0x7f2910006320, nfds=1, timeout=3499901) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f296415f36e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f2910006320, timeout=<optimized out>, context=0x7f2910000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f2910000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f296415f4a3 in g_main_context_iteration (context=0x7f2910000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f2965e8f602 in QEventDispatcherGlib::processEvents (this=0x7f2910000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f2965e338ab in QEventLoop::exec (this=this@entry=0x7f2917ffeba0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f2965c4d2c2 in QThread::exec (this=this@entry=0x55f778eca050) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f292089007c in KCupsConnection::run (this=0x55f778eca050) at ./libkcups/KCupsConnection.cpp:289
#8  0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f778eca050) at thread/qthread_unix.cpp:329
#9  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f28cbf54700 (LWP 27484)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f77c868654) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f77c868600, cond=0x55f77c868628) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f77c868628, mutex=0x55f77c868600) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f77c868600) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f792962380, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f2921d88bac in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x55f77905a630, th=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007f2921d89930 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x55f77905a630, th=<optimized out>, th@entry=0x55f7760309a0, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:561
#7  0x00007f2921d8adce in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x55f7760309a0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:43
#8  0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x55f7760309a0, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#9  0x00007f2921d8ae29 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f790f42a40, th=0x55f7760309a0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:49
#10 0x00007f2921d88af2 in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x55f7760309a0, wasBusy=<optimized out>) at ./src/weaver.cpp:575
#11 0x00007f2921d87bd3 in ThreadWeaver::Thread::run (this=0x55f7760309a0) at ./src/thread.cpp:86
#12 0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f7760309a0) at thread/qthread_unix.cpp:329
#13 0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f2916f6a700 (LWP 14307)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f77cf63980) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f77cf63930, cond=0x55f77cf63958) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f77cf63958, mutex=0x55f77cf63930) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f77cf63930) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=this@entry=0x55f77cf63898, mutex=mutex@entry=0x55f77cf63890, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f29678c0c24 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55f77cf63888) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55f77cf637f0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f29678c1099 in QSGRenderThread::run (this=0x55f77cf637f0) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f77cf637f0) at thread/qthread_unix.cpp:329
#9  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f2923fff700 (LWP 14264)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f776945744) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f7769456f0, cond=0x55f776945718) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f776945718, mutex=0x55f7769456f0) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f7769456f0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=this@entry=0x55f779238658, mutex=mutex@entry=0x55f779238650, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f29678c0c24 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55f779238648) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55f7792385b0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f29678c1099 in QSGRenderThread::run (this=0x55f7792385b0) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f7792385b0) at thread/qthread_unix.cpp:329
#9  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f2960e32700 (LWP 14105)):
#0  0x00007f29658c1aff in __GI___poll (fds=0x7f295c005240, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f296415f36e in g_main_context_poll (priority=<optimized out>, n_fds=3, fds=0x7f295c005240, timeout=<optimized out>, context=0x7f295c000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f295c000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f296415f4a3 in g_main_context_iteration (context=0x7f295c000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f2965e8f602 in QEventDispatcherGlib::processEvents (this=0x7f295c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f2965e338ab in QEventLoop::exec (this=this@entry=0x7f2960e31bb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f2965c4d2c2 in QThread::exec (this=this@entry=0x7f2966846d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f29667c2f4b in QDBusConnectionManager::run (this=0x7f2966846d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#8  0x00007f2965c4e45c in QThreadPrivate::start (arg=0x7f2966846d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329
#9  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f295a17c700 (LWP 14125)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f7758a5328) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f7758a52d8, cond=0x55f7758a5300) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f7758a5300, mutex=0x55f7758a52d8) at pthread_cond_wait.c:647
#3  0x00007f295b34cb1b in cnd_wait (mtx=0x55f7758a52d8, cond=0x55f7758a5300) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55f7759fc940) at ../src/util/u_queue.c:294
#5  0x00007f295b34c71b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f295a97d700 (LWP 14124)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f7758a5328) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f7758a52d8, cond=0x55f7758a5300) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f7758a5300, mutex=0x55f7758a52d8) at pthread_cond_wait.c:647
#3  0x00007f295b34cb1b in cnd_wait (mtx=0x55f7758a52d8, cond=0x55f7758a5300) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55f7758c9f30) at ../src/util/u_queue.c:294
#5  0x00007f295b34c71b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f295b17e700 (LWP 14123)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f7758a532c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f7758a52d8, cond=0x55f7758a5300) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f7758a5300, mutex=0x55f7758a52d8) at pthread_cond_wait.c:647
#3  0x00007f295b34cb1b in cnd_wait (mtx=0x55f7758a52d8, cond=0x55f7758a5300) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55f7758c9e10) at ../src/util/u_queue.c:294
#5  0x00007f295b34c71b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f2956bf9700 (LWP 14220)):
#0  0x00007f29658c1aff in __GI___poll (fds=0x7f2944004e60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f296415f36e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f2944004e60, timeout=<optimized out>, context=0x7f2944000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f2944000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f296415f4a3 in g_main_context_iteration (context=0x7f2944000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f2965e8f602 in QEventDispatcherGlib::processEvents (this=0x7f2944000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f2965e338ab in QEventLoop::exec (this=this@entry=0x7f2956bf8bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f2965c4d2c2 in QThread::exec (this=this@entry=0x55f775e168d0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f2967461549 in QQmlThreadPrivate::run (this=0x55f775e168d0) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f775e168d0) at thread/qthread_unix.cpp:329
#9  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f2955dfb700 (LWP 14229)):
#0  0x00007f29658c1aff in __GI___poll (fds=0x7f2938004a60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f296415f36e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f2938004a60, timeout=<optimized out>, context=0x7f2938000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f2938000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f296415f4a3 in g_main_context_iteration (context=0x7f2938000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f2965e8f602 in QEventDispatcherGlib::processEvents (this=0x7f2938000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f2965e338ab in QEventLoop::exec (this=this@entry=0x7f2955dfabe0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f2965c4d2c2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f7760163c0) at thread/qthread_unix.cpp:329
#8  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f28fb4b9700 (LWP 19844)):
#0  0x00007f2922321538 in pa_fdsem_before_poll (f=0x7f2928003600) at ./pulsecore/atomic.h:102
#1  0x00007f2922339387 in srbchannel_rwloop (sr=0x7f2928003550) at pulsecore/srbchannel.c:203
#2  0x00007f29225deba3 in dispatch_pollfds (m=0x55f7834f32e0) at pulse/mainloop.c:140
#3  pa_mainloop_dispatch (m=m@entry=0x55f7834f32e0) at pulse/mainloop.c:898
#4  0x00007f29225deed2 in pa_mainloop_iterate (m=0x55f7834f32e0, block=<optimized out>, retval=0x0) at pulse/mainloop.c:929
#5  0x00007f29225def70 in pa_mainloop_run (m=0x55f7834f32e0, retval=retval@entry=0x0) at pulse/mainloop.c:945
#6  0x00007f29225ed11d in thread (userdata=0x55f779060870) at pulse/thread-mainloop.c:101
#7  0x00007f292234872c in internal_thread_func (userdata=0x55f783295350) at pulsecore/thread-posix.c:81
#8  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f2915a79700 (LWP 14331)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f7806fb034) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f7806fafe0, cond=0x55f7806fb008) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f7806fb008, mutex=0x55f7806fafe0) at pthread_cond_wait.c:647
#3  0x00007f2965c545cb in QWaitConditionPrivate::wait (deadline=..., this=0x55f7806fafe0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=this@entry=0x55f779282128, mutex=mutex@entry=0x55f779282120, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f29678c0c24 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55f779282118) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55f779282080) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f29678c1099 in QSGRenderThread::run (this=0x55f779282080) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f2965c4e45c in QThreadPrivate::start (arg=0x55f779282080) at thread/qthread_unix.cpp:329
#9  0x00007f2965732609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f29658ce293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f2961a1a4c0 (LWP 14068)):
[KCrash Handler]
#3  QHashData::nextNode (node=0x55f790f42e10) at tools/qhash.cpp:591
#4  0x00007f2967f4315a in ?? () from /lib/x86_64-linux-gnu/libKF5Plasma.so.5
#5  0x00007f2967f40237 in Plasma::DataEngine::removeSource(QString const&) () from /lib/x86_64-linux-gnu/libKF5Plasma.so.5
#6  0x00007f29226d5f1f in Mpris2Engine::serviceOwnerChanged (newOwner=..., oldOwner=..., serviceName=..., this=0x55f778e84b30) at ./dataengines/mpris2/mpris2engine.cpp:71
#7  Mpris2Engine::serviceOwnerChanged (this=0x55f778e84b30, serviceName=..., oldOwner=..., newOwner=...) at ./dataengines/mpris2/mpris2engine.cpp:59
#8  0x00007f2965e6bdce in QtPrivate::QSlotObjectBase::call (a=0x7fff2676fbd0, r=0x55f778e84b30, this=0x55f778e89d00) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#9  doActivate<false> (sender=0x55f778e7f760, signal_index=5, argv=0x7fff2676fbd0) at kernel/qobject.cpp:3886
#10 0x00007f2965e65197 in QMetaObject::activate (sender=sender@entry=0x55f778e7f760, m=m@entry=0x7f29668456c0 <QDBusServiceWatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff2676fbd0) at kernel/qobject.cpp:3946
#11 0x00007f2966827ea3 in QDBusServiceWatcher::serviceOwnerChanged (this=this@entry=0x55f778e7f760, _t1=..., _t2=..., _t3=...) at .moc/moc_qdbusservicewatcher.cpp:242
#12 0x00007f2966827f53 in QDBusServiceWatcherPrivate::_q_serviceOwnerChanged (this=<optimized out>, service=..., oldOwner=..., newOwner=...) at qdbusservicewatcher.cpp:76
#13 0x00007f296682869d in QDBusServiceWatcher::qt_static_metacall (_o=_o@entry=0x55f778e7f760, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=3, _a=_a@entry=0x7fff2676fd80) at qdbusservicewatcher.h:91
#14 0x00007f2966828a73 in QDBusServiceWatcher::qt_metacall (this=0x55f778e7f760, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7fff2676fd80) at .moc/moc_qdbusservicewatcher.cpp:197
#15 0x00007f29667cf55b in QDBusConnectionPrivate::deliverCall (this=<optimized out>, object=<optimized out>, msg=..., metaTypes=..., slotIdx=<optimized out>) at qdbusintegrator.cpp:1001
#16 0x00007f2965e62949 in QObject::event (this=0x55f778e7f760, e=0x7f295c09f890) at kernel/qobject.cpp:1314
#17 0x00007f2966b47dc3 in QApplicationPrivate::notify_helper (this=this@entry=0x55f7758628a0, receiver=receiver@entry=0x55f778e7f760, e=e@entry=0x7f295c09f890) at kernel/qapplication.cpp:3632
#18 0x00007f2966b50bb8 in QApplication::notify (this=0x7fff267704a0, receiver=0x55f778e7f760, e=0x7f295c09f890) at kernel/qapplication.cpp:3156
#19 0x00007f2965e34daa in QCoreApplication::notifyInternal2 (receiver=0x55f778e7f760, event=0x7f295c09f890) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#20 0x00007f2965e376b1 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55f77583bef0) at kernel/qcoreapplication.cpp:1821
#21 0x00007f2965e8ffa7 in postEventSourceDispatch (s=0x55f77587b990) at kernel/qeventdispatcher_glib.cpp:277
#22 0x00007f296415f17d in g_main_dispatch (context=0x55f77587fd50) at ../../../glib/gmain.c:3309
#23 g_main_context_dispatch (context=context@entry=0x55f77587fd50) at ../../../glib/gmain.c:3974
#24 0x00007f296415f400 in g_main_context_iterate (context=context@entry=0x55f77587fd50, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047
#25 0x00007f296415f4a3 in g_main_context_iteration (context=0x55f77587fd50, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#26 0x00007f2965e8f602 in QEventDispatcherGlib::processEvents (this=0x55f77587b8a0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#27 0x00007f2965e338ab in QEventLoop::exec (this=this@entry=0x7fff26770380, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#28 0x00007f2965e3ba64 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#29 0x000055f77547fdd5 in main (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:238

Possible duplicates by query: bug 445876, bug 445653, bug 445646, bug 445479, bug 445464.

Reported using DrKonqi