Application: plasmashell (5.8.7)

Qt Version: 5.6.2
Frameworks Version: 5.32.0
Operating System: Linux 4.4.79-19-default x86_64
Distribution: "openSUSE Leap 42.3"

-- Information about the crash:
- What I was doing when the application crashed:
plasma crash after close firefox with 2GB of RAM in use. was close from io button

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f80ec34b900 (LWP 2812))]

Thread 16 (Thread 0x7f7ffaffd700 (LWP 29968)):
#0  0x00007f80e50400bf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f80e5f2d69b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x58556f0) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7c4fa70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f803086a42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f803086ddea in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f803086ba46 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x7f8004003350) at thread/qthread_unix.cpp:365
#10 0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f7ffb7fe700 (LWP 29967)):
#0  0x00007f80e50400bf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f80e5f2d69b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x58556f0) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7c4fa70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f803086a42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f803086ddea in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#15 0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#16 0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#17 0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#18 0x00007f803086ba46 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#19 0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x7f8004002d90) at thread/qthread_unix.cpp:365
#20 0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#21 0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f7ffbfff700 (LWP 29966)):
#0  0x00007f80e50400bf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f80e5f2d69b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x58556f0) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7c4fa70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f803086a42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f803086ddea in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f803086ba46 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x7f8008002be0) at thread/qthread_unix.cpp:365
#10 0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f800cb15700 (LWP 29965)):
#0  0x00007f80e50400bf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f80e5f2d69b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x58556f0) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7c4fa70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f803086a42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f803086ddea in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f803086ba46 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x772c350) at thread/qthread_unix.cpp:365
#10 0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f800d316700 (LWP 29964)):
#0  0x00007f80e50400bf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f80e5f2d69b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x58556f0) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7c4fa70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f803086a42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f803086ddea in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f803086ba46 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x756b2a0) at thread/qthread_unix.cpp:365
#10 0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f800db17700 (LWP 29963)):
#0  0x00007f80e50400bf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f80e5f2d69b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x58556f0) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7c4fa70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f803086a42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f803086ddea in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f803086ba46 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x74b5c20) at thread/qthread_unix.cpp:365
#12 0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f800e318700 (LWP 29962)):
#0  0x00007f80e50400bf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f80e5f2d69b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x58556f0) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7c4fa70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f803086a42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f803086ddea in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f803086ba46 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x5817f30) at thread/qthread_unix.cpp:365
#12 0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f8014da3700 (LWP 29961)):
#0  0x00007f80e50400bf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f80e5f2d69b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x58556f0) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7c4fa70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f803086a42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f803086ddea in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f803086de32 in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f803086845b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f803086ba46 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#15 0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x64237c0) at thread/qthread_unix.cpp:365
#16 0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#17 0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f80158c5700 (LWP 23576)):
#0  0x00007f80e583220d in poll () from /lib64/libc.so.6
#1  0x00007f80e1ee3314 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f80e1ee342c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f80e613f1ab in QEventDispatcherGlib::processEvents (this=0x7f80100013d0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007f80e60ecbfb in QEventLoop::exec (this=this@entry=0x7f80158c4cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#5  0x00007f80e5f27f5a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007f80e92353d8 in ?? () from /usr/lib64/libQt5Qml.so.5
#7  0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x6d6a6a0) at thread/qthread_unix.cpp:365
#8  0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f80274cb700 (LWP 3004)):
#0  0x00007f80e583220d in poll () from /lib64/libc.so.6
#1  0x00007f80e1ee3314 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f80e1ee342c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f80e613f1ab in QEventDispatcherGlib::processEvents (this=0x7f80200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007f80e60ecbfb in QEventLoop::exec (this=this@entry=0x7f80274cac90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#5  0x00007f80e5f27f5a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007f80288f48f7 in KCupsConnection::run() () from /usr/lib64/libkcupslib.so
#7  0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x51567c0) at thread/qthread_unix.cpp:365
#8  0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f8033351700 (LWP 2978)):
#0  0x00007f80e583220d in poll () from /lib64/libc.so.6
#1  0x00007f80e1ee3314 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f80e1ee342c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f80e613f1ab in QEventDispatcherGlib::processEvents (this=0x7f802c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007f80e60ecbfb in QEventLoop::exec (this=this@entry=0x7f8033350c70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#5  0x00007f80e5f27f5a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007f80e9db9822 in ?? () from /usr/lib64/libQt5Quick.so.5
#7  0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x279d5c0) at thread/qthread_unix.cpp:365
#8  0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f80c27ba700 (LWP 2939)):
#0  0x00007f80e50400bf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f80eba1e93b in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007f80eba1e969 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f80c3fff700 (LWP 2929)):
#0  0x00007f80e583220d in poll () from /lib64/libc.so.6
#1  0x00007f80e1ee3314 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f80e1ee342c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f80e613f1ab in QEventDispatcherGlib::processEvents (this=0x7f80bc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007f80e60ecbfb in QEventLoop::exec (this=this@entry=0x7f80c3ffecb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#5  0x00007f80e5f27f5a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007f80e92353d8 in ?? () from /usr/lib64/libQt5Qml.so.5
#7  0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x1e279a0) at thread/qthread_unix.cpp:365
#8  0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f80c9fb8700 (LWP 2902)):
#0  0x00007f80e1f24899 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f80e1ee32fa in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f80e1ee342c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f80e613f1ab in QEventDispatcherGlib::processEvents (this=0x7f80c40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007f80e60ecbfb in QEventLoop::exec (this=this@entry=0x7f80c9fb7cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#5  0x00007f80e5f27f5a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007f80e92353d8 in ?? () from /usr/lib64/libQt5Qml.so.5
#7  0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x1d2df40) at thread/qthread_unix.cpp:365
#8  0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f80d948a700 (LWP 2821)):
#0  0x00007f80e582e28d in read () from /lib64/libc.so.6
#1  0x00007f80e1f23750 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f80e1ee2e49 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f80e1ee32a8 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f80e1ee342c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f80e613f1ab in QEventDispatcherGlib::processEvents (this=0x7f80d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#6  0x00007f80e60ecbfb in QEventLoop::exec (this=this@entry=0x7f80d9489ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#7  0x00007f80e5f27f5a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#8  0x00007f80e6553295 in ?? () from /usr/lib64/libQt5DBus.so.5
#9  0x00007f80e5f2ca29 in QThreadPrivate::start (arg=0x7f80e67bcce0) at thread/qthread_unix.cpp:365
#10 0x00007f80e503b744 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f80e583aaad in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f80ec34b900 (LWP 2812)):
[KCrash Handler]
#6  QSortFilterProxyModelPrivate::updateChildrenMapping (this=this@entry=0x488c3e0, source_parent=..., parent_mapping=parent_mapping@entry=0x478c650, start=start@entry=3, end=end@entry=3, delta_item_count=delta_item_count@entry=1, remove=remove@entry=true, orient=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:969
#7  0x00007f80e60ba0af in QSortFilterProxyModelPrivate::source_items_removed (orient=Qt::Vertical, end=<optimized out>, start=3, source_parent=..., this=0x488c3e0) at itemmodels/qsortfilterproxymodel.cpp:911
#8  QSortFilterProxyModelPrivate::_q_sourceRowsRemoved (this=0x488c3e0, source_parent=..., start=3, end=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1418
#9  0x00007f80e60c0f19 in QSortFilterProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:211
#10 0x00007f80e61187d1 in QMetaObject::activate (sender=sender@entry=0x488bb20, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=12, argv=argv@entry=0x7fff2b2e6e70) at kernel/qobject.cpp:3730
#11 0x00007f80e61193d7 in QMetaObject::activate (sender=sender@entry=0x488bb20, m=m@entry=0x7f80e6534ca0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=12, argv=argv@entry=0x7fff2b2e6e70) at kernel/qobject.cpp:3595
#12 0x00007f80e618f334 in QAbstractItemModel::rowsRemoved (this=this@entry=0x488bb20, _t1=..., _t2=3, _t3=3) at .moc/moc_qabstractitemmodel.cpp:615
#13 0x00007f80e609d751 in QAbstractItemModel::endRemoveRows (this=0x488bb20) at itemmodels/qabstractitemmodel.cpp:2678
#14 0x00007f802bbb455f in TaskManager::TaskGroupingProxyModel::Private::sourceRowsAboutToBeRemoved (this=0x488c080, parent=..., first=<optimized out>, last=4) at /usr/src/debug/plasma-workspace-5.8.7/libtaskmanager/taskgroupingproxymodel.cpp:197
#15 0x00007f802bbb7119 in TaskManager::TaskGroupingProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/plasma-workspace-5.8.7/build/libtaskmanager/moc_taskgroupingproxymodel.cpp:152
#16 0x00007f80e61187d1 in QMetaObject::activate (sender=sender@entry=0x48a5e40, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff2b2e71a0) at kernel/qobject.cpp:3730
#17 0x00007f80e61193d7 in QMetaObject::activate (sender=sender@entry=0x48a5e40, m=m@entry=0x7f80e6534ca0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff2b2e71a0) at kernel/qobject.cpp:3595
#18 0x00007f80e618f2e4 in QAbstractItemModel::rowsAboutToBeRemoved (this=this@entry=0x48a5e40, _t1=..., _t2=_t2@entry=4, _t3=_t3@entry=4) at .moc/moc_qabstractitemmodel.cpp:608
#19 0x00007f80e609ced4 in QAbstractItemModel::beginRemoveRows (this=0x48a5e40, parent=..., first=4, last=4) at itemmodels/qabstractitemmodel.cpp:2661
#20 0x00007f80e60bba0d in QSortFilterProxyModelPrivate::remove_proxy_interval (emit_signal=true, orient=Qt::Vertical, proxy_parent=..., proxy_end=4, proxy_start=4, proxy_to_source=..., source_to_proxy=..., this=0x48904d0) at itemmodels/qsortfilterproxymodel.cpp:577
#21 QSortFilterProxyModelPrivate::remove_source_items (this=this@entry=0x48904d0, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., orient=orient@entry=Qt::Vertical, emit_signal=emit_signal@entry=true) at itemmodels/qsortfilterproxymodel.cpp:559
#22 0x00007f80e60bbbbd in QSortFilterProxyModelPrivate::source_items_about_to_be_removed (this=0x48904d0, source_parent=..., start=4, end=4, orient=orient@entry=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:860
#23 0x00007f80e60c0ef8 in QSortFilterProxyModelPrivate::_q_sourceRowsAboutToBeRemoved (end=<optimized out>, start=<optimized out>, source_parent=..., this=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1411
#24 QSortFilterProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:210
#25 0x00007f80e61187d1 in QMetaObject::activate (sender=sender@entry=0x488f070, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff2b2e74f0) at kernel/qobject.cpp:3730
#26 0x00007f80e61193d7 in QMetaObject::activate (sender=sender@entry=0x488f070, m=m@entry=0x7f80e6534ca0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff2b2e74f0) at kernel/qobject.cpp:3595
#27 0x00007f80e618f2e4 in QAbstractItemModel::rowsAboutToBeRemoved (this=this@entry=0x488f070, _t1=..., _t2=_t2@entry=4, _t3=_t3@entry=4) at .moc/moc_qabstractitemmodel.cpp:608
#28 0x00007f80e609ced4 in QAbstractItemModel::beginRemoveRows (this=0x488f070, parent=..., first=4, last=4) at itemmodels/qabstractitemmodel.cpp:2661
#29 0x00007f8031c43ed5 in KConcatenateRowsProxyModelPrivate::slotRowsAboutToBeRemoved (this=0x488bc30, start=4, end=4) at /usr/src/debug/kitemmodels-5.32.0/src/kconcatenaterowsproxymodel.cpp:241
#30 0x00007f8031c44d21 in KConcatenateRowsProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kitemmodels-5.32.0/build/src/moc_kconcatenaterowsproxymodel.cpp:144
#31 0x00007f80e61187d1 in QMetaObject::activate (sender=sender@entry=0x488c2d0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff2b2e7770) at kernel/qobject.cpp:3730
#32 0x00007f80e61193d7 in QMetaObject::activate (sender=sender@entry=0x488c2d0, m=m@entry=0x7f80e6534ca0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff2b2e7770) at kernel/qobject.cpp:3595
#33 0x00007f80e618f2e4 in QAbstractItemModel::rowsAboutToBeRemoved (this=this@entry=0x488c2d0, _t1=..., _t2=_t2@entry=4, _t3=_t3@entry=4) at .moc/moc_qabstractitemmodel.cpp:608
#34 0x00007f80e609ced4 in QAbstractItemModel::beginRemoveRows (this=this@entry=0x488c2d0, parent=..., first=first@entry=4, last=last@entry=4) at itemmodels/qabstractitemmodel.cpp:2661
#35 0x00007f80e60b4ecf in QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeRemoved (end=4, start=4, parent=..., this=<optimized out>) at itemmodels/qidentityproxymodel.cpp:573
#36 QIdentityProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qidentityproxymodel.cpp:150
#37 0x00007f80e61187d1 in QMetaObject::activate (sender=sender@entry=0x46e3ae0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff2b2e79e0) at kernel/qobject.cpp:3730
#38 0x00007f80e61193d7 in QMetaObject::activate (sender=sender@entry=0x46e3ae0, m=m@entry=0x7f80e6534ca0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff2b2e79e0) at kernel/qobject.cpp:3595
#39 0x00007f80e618f2e4 in QAbstractItemModel::rowsAboutToBeRemoved (this=this@entry=0x46e3ae0, _t1=..., _t2=_t2@entry=4, _t3=_t3@entry=4) at .moc/moc_qabstractitemmodel.cpp:608
#40 0x00007f80e609ced4 in QAbstractItemModel::beginRemoveRows (this=0x46e3ae0, parent=..., first=first@entry=4, last=last@entry=4) at itemmodels/qabstractitemmodel.cpp:2661
#41 0x00007f802bbce7d5 in TaskManager::XWindowTasksModel::Private::removeWindow (this=0x25003b0, window=77594654) at /usr/src/debug/plasma-workspace-5.8.7/libtaskmanager/xwindowtasksmodel.cpp:250
#42 0x00007f80e6118de3 in QtPrivate::QSlotObjectBase::call (a=0x7fff2b2e7c40, r=0x46e3ae0, this=0x46e3550) at ../../src/corelib/kernel/qobject_impl.h:124
#43 QMetaObject::activate (sender=sender@entry=0x7f80e8f62c00 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff2b2e7c40) at kernel/qobject.cpp:3715
#44 0x00007f80e61193d7 in QMetaObject::activate (sender=sender@entry=0x7f80e8f62c00 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, m=m@entry=0x7f80e8f61b60 <KWindowSystem::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff2b2e7c40) at kernel/qobject.cpp:3595
#45 0x00007f80e8d53ea2 in KWindowSystem::windowRemoved (this=this@entry=0x7f80e8f62c00 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, _t1=_t1@entry=77594654) at /usr/src/debug/kwindowsystem-5.32.0/build/src/moc_kwindowsystem.cpp:311
#46 0x00007f80ca3da185 in NETEventFilter::removeClient (this=0x231bdc0, w=77594654) at /usr/src/debug/kwindowsystem-5.32.0/src/platforms/xcb/kwindowsystem.cpp:382
#47 0x00007f80e8d4c771 in NETRootInfo::update (this=0x231bdc0, properties=..., properties@entry=..., properties2=..., properties2@entry=...) at /usr/src/debug/kwindowsystem-5.32.0/src/platforms/xcb/netwm.cpp:2046
#48 0x00007f80e8d4d642 in NETRootInfo::event (this=this@entry=0x231bdc0, event=event@entry=0x7f80cc09db80, properties=properties@entry=0x7fff2b2e81e0, properties2=properties2@entry=0x7fff2b2e81f0) at /usr/src/debug/kwindowsystem-5.32.0/src/platforms/xcb/netwm.cpp:1887
#49 0x00007f80e8d4d872 in NETRootInfo::event (this=this@entry=0x231bdc0, ev=ev@entry=0x7f80cc09db80, properties=properties@entry=0x7fff2b2e82a0, properties_size=properties_size@entry=5) at /usr/src/debug/kwindowsystem-5.32.0/src/platforms/xcb/netwm.cpp:1672
#50 0x00007f80ca3d9b56 in NETEventFilter::nativeEventFilter (this=0x231bdc0, ev=0x7f80cc09db80) at /usr/src/debug/kwindowsystem-5.32.0/src/platforms/xcb/kwindowsystem.cpp:237
#51 0x00007f80e60ebe90 in QAbstractEventDispatcher::filterNativeEvent (this=<optimized out>, eventType=..., message=message@entry=0x7f80cc09db80, result=result@entry=0x7fff2b2e8368) at kernel/qabstracteventdispatcher.cpp:460
#52 0x00007f80d87d3434 in QXcbConnection::handleXcbEvent (this=this@entry=0x1c26f20, event=event@entry=0x7f80cc09db80) at qxcbconnection.cpp:1094
#53 0x00007f80d87d54db in QXcbConnection::processXcbEvents (this=0x1c26f20) at qxcbconnection.cpp:1731
#54 0x00007f80e6119e26 in QObject::event (this=0x1c26f20, e=<optimized out>) at kernel/qobject.cpp:1256
#55 0x00007f80e707128c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x1c26f20, e=0x7f80cc04c8b0) at kernel/qapplication.cpp:3804
#56 0x00007f80e70758ea in QApplication::notify (this=0x7fff2b2e8b70, receiver=0x1c26f20, e=0x7f80cc04c8b0) at kernel/qapplication.cpp:3561
#57 0x00007f80e60eebe5 in QCoreApplication::notifyInternal2 (receiver=0x1c26f20, event=event@entry=0x7f80cc04c8b0) at kernel/qcoreapplication.cpp:1015
#58 0x00007f80e60f09ca in QCoreApplication::sendEvent (event=0x7f80cc04c8b0, receiver=<optimized out>) at kernel/qcoreapplication.h:225
#59 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1c0bc00) at kernel/qcoreapplication.cpp:1650
#60 0x00007f80e60f0f78 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1508
#61 0x00007f80e613fb03 in postEventSourceDispatch (s=0x1c593f0) at kernel/qeventdispatcher_glib.cpp:270
#62 0x00007f80e1ee3134 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#63 0x00007f80e1ee3388 in ?? () from /usr/lib64/libglib-2.0.so.0
#64 0x00007f80e1ee342c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#65 0x00007f80e613f18c in QEventDispatcherGlib::processEvents (this=0x1c6fe20, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#66 0x00007f80e60ecbfb in QEventLoop::exec (this=this@entry=0x7fff2b2e89f0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#67 0x00007f80e60f4ae6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1285
#68 0x00007f80e68b38ec in QGuiApplication::exec () at kernel/qguiapplication.cpp:1607
#69 0x00007f80e706e495 in QApplication::exec () at kernel/qapplication.cpp:2979
#70 0x000000000041f0ff in main (argc=2, argv=<optimized out>) at /usr/src/debug/plasma-workspace-5.8.7/shell/main.cpp:166

Possible duplicates by query: bug 384360, bug 383647, bug 381974, bug 381006, bug 380918.

Reported using DrKonqi