Application: plasmashell (5.18.5)

Qt Version: 5.14.2
Frameworks Version: 5.70.0
Operating System: Linux 5.3.0-51-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.18

-- Information about the crash:
- What I was doing when the application crashed:
attempting to rearrange my desctop shortcunts
in my case after first crash all interface restarts by itself, after second not

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4fe8af61c0 (LWP 1544))]

Thread 10 (Thread 0x7f4f79a2c700 (LWP 1985)):
#0  0x00007f4fdf2329f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ab1372f164) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55ab1372f110, cond=0x55ab1372f138) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55ab1372f138, mutex=0x55ab1372f110) at pthread_cond_wait.c:655
#3  0x00007f4fe25b01db in QWaitConditionPrivate::wait (deadline=..., this=0x55ab1372f110) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x7f4fcc00dfd0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f4fe25b0359 in QWaitCondition::wait (this=0x7f4fcc00dfd8, mutex=0x7f4fcc00dfd0, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f4fe66b3233 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f4fe66b3691 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f4fe25a9c2c in QThreadPrivate::start (arg=0x7f4fcc00df30) at thread/qthread_unix.cpp:342
#9  0x00007f4fdf22c6db in start_thread (arg=0x7f4f79a2c700) at pthread_create.c:463
#10 0x00007f4fe1e9e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4f7a24c700 (LWP 1891)):
#0  0x00007f4fdf2329f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ab10931674) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55ab10931620, cond=0x55ab10931648) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55ab10931648, mutex=0x55ab10931620) at pthread_cond_wait.c:655
#3  0x00007f4fe25b01db in QWaitConditionPrivate::wait (deadline=..., this=0x55ab10931620) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x7f4fcc00a0c0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f4fe25b0359 in QWaitCondition::wait (this=0x7f4fcc00a0c8, mutex=0x7f4fcc00a0c0, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f4fe66b3233 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f4fe66b3691 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f4fe25a9c2c in QThreadPrivate::start (arg=0x7f4fcc00a020) at thread/qthread_unix.cpp:342
#9  0x00007f4fdf22c6db in start_thread (arg=0x7f4f7a24c700) at pthread_create.c:463
#10 0x00007f4fe1e9e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4f80bad700 (LWP 1874)):
#0  0x00007f4fe1e8d0b4 in __GI___libc_read (fd=30, buf=0x7f4f80bacb50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f4fdbd5b2b0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4fdbd160b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4fdbd16570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4fdbd166dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4fe27f87cb in QEventDispatcherGlib::processEvents (this=0x7f4f7c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f4fe2797d2a in QEventLoop::exec (this=this@entry=0x7f4f80bacd60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f4fe25a8757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#8  0x00007f4f81dda467 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007f4fe25a9c2c in QThreadPrivate::start (arg=0x55ab107bd5d0) at thread/qthread_unix.cpp:342
#10 0x00007f4fdf22c6db in start_thread (arg=0x7f4f80bad700) at pthread_create.c:463
#11 0x00007f4fe1e9e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4fa8ed9700 (LWP 1760)):
#0  0x00007f4fdf2329f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ab0f8ec8f0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55ab0f8ec8a0, cond=0x55ab0f8ec8c8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55ab0f8ec8c8, mutex=0x55ab0f8ec8a0) at pthread_cond_wait.c:655
#3  0x00007f4fe25b01db in QWaitConditionPrivate::wait (deadline=..., this=0x55ab0f8ec8a0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55ab0f8dd330, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f4fe25b0359 in QWaitCondition::wait (this=0x55ab0f8dd338, mutex=0x55ab0f8dd330, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f4fe66b3233 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f4fe66b3691 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f4fe25a9c2c in QThreadPrivate::start (arg=0x55ab0f8dd290) at thread/qthread_unix.cpp:342
#9  0x00007f4fdf22c6db in start_thread (arg=0x7f4fa8ed9700) at pthread_create.c:463
#10 0x00007f4fe1e9e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4fb0a64700 (LWP 1687)):
#0  0x00007f4fdbd13543 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4fdbd15a63 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4fdbd164fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4fdbd166dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4fe27f87cb in QEventDispatcherGlib::processEvents (this=0x7f4fac000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f4fe2797d2a in QEventLoop::exec (this=this@entry=0x7f4fb0a63da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f4fe25a8757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#7  0x00007f4fe25a9c2c in QThreadPrivate::start (arg=0x55ab0f6a3eb0) at thread/qthread_unix.cpp:342
#8  0x00007f4fdf22c6db in start_thread (arg=0x7f4fb0a64700) at pthread_create.c:463
#9  0x00007f4fe1e9e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4fbd2b8700 (LWP 1681)):
#0  0x00007f4fdf2329f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ab0f08b4ec) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55ab0f08b498, cond=0x55ab0f08b4c0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55ab0f08b4c0, mutex=0x55ab0f08b498) at pthread_cond_wait.c:655
#3  0x00007f4fbe814ecb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f4fbe814ac7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f4fdf22c6db in start_thread (arg=0x7f4fbd2b8700) at pthread_create.c:463
#6  0x00007f4fe1e9e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4fcafab700 (LWP 1668)):
#0  0x00007f4fe1e8d0b4 in __GI___libc_read (fd=12, buf=0x7f4fcafaab70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f4fdbd5b2b0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4fdbd160b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4fdbd16570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4fdbd166dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4fe27f87cb in QEventDispatcherGlib::processEvents (this=0x7f4fc0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f4fe2797d2a in QEventLoop::exec (this=this@entry=0x7f4fcafaad80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f4fe25a8757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#8  0x00007f4fe615ffc5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f4fe25a9c2c in QThreadPrivate::start (arg=0x55ab0f1d3450) at thread/qthread_unix.cpp:342
#10 0x00007f4fdf22c6db in start_thread (arg=0x7f4fcafab700) at pthread_create.c:463
#11 0x00007f4fe1e9e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4fd11bd700 (LWP 1573)):
#0  0x00007f4fe1e8d0b4 in __GI___libc_read (fd=7, buf=0x7f4fd11bcb60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f4fdbd5b2b0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4fdbd160b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4fdbd16570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4fdbd166dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4fe27f87cb in QEventDispatcherGlib::processEvents (this=0x7f4fc4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f4fe2797d2a in QEventLoop::exec (this=this@entry=0x7f4fd11bcd70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f4fe25a8757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#8  0x00007f4fe44a6555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f4fe25a9c2c in QThreadPrivate::start (arg=0x7f4fe471eda0) at thread/qthread_unix.cpp:342
#10 0x00007f4fdf22c6db in start_thread (arg=0x7f4fd11bd700) at pthread_create.c:463
#11 0x00007f4fe1e9e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4fd35b7700 (LWP 1561)):
#0  0x00007f4fe1e91bf9 in __GI___poll (fds=0x7f4fd35b6ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4fe72c5747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f4fe72c736a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f4fd5d78fd0 in QXcbEventQueue::run (this=0x55ab0ef87af0) at qxcbeventqueue.cpp:228
#4  0x00007f4fe25a9c2c in QThreadPrivate::start (arg=0x55ab0ef87af0) at thread/qthread_unix.cpp:342
#5  0x00007f4fdf22c6db in start_thread (arg=0x7f4fd35b7700) at pthread_create.c:463
#6  0x00007f4fe1e9e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4fe8af61c0 (LWP 1544)):
[KCrash Handler]
#4  0x00007f4fe27990e3 in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=this@entry=0x55ab0ef82930, receiver=receiver@entry=0x55ab10003420, event=event@entry=0x7ffd46b4ea30) at kernel/qcoreapplication.cpp:1179
#5  0x00007f4fe3add9e8 in QApplicationPrivate::notify_helper (this=this@entry=0x55ab0ef82930, receiver=receiver@entry=0x55ab10003420, e=e@entry=0x7ffd46b4ea30) at kernel/qapplication.cpp:3656
#6  0x00007f4fe3ae4bb0 in QApplication::notify (this=0x7ffd46b4f8f0, receiver=0x55ab10003420, e=0x7ffd46b4ea30) at kernel/qapplication.cpp:3431
#7  0x00007f4fe27994a8 in QCoreApplication::notifyInternal2 (receiver=0x55ab10003420, event=0x7ffd46b4ea30) at kernel/qcoreapplication.cpp:1075
#8  0x00007f4fe27d1e83 in QObjectPrivate::setParent_helper (this=this@entry=0x55ab0ffdff40, o=o@entry=0x0) at kernel/qobject.cpp:2166
#9  0x00007f4fe27d2302 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1118
#10 0x00007f4fe66fb22d in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f4fe682bb39 in QQuickShaderEffectSource::~QQuickShaderEffectSource() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f4fa92f467b in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtGraphicalEffects/private/libqtgraphicaleffectsprivate.so
#13 0x00007f4fa92ef575 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtGraphicalEffects/private/libqtgraphicaleffectsprivate.so
#14 0x00007f4fe27c8ceb in QObjectPrivate::deleteChildren (this=0x55ab10065ed0) at kernel/qobject.cpp:2123
#15 0x00007f4fe27d22ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#16 0x00007f4fe66fb22d in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f4fe671bbb5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f4fe27c8ceb in QObjectPrivate::deleteChildren (this=0x55ab10065b10) at kernel/qobject.cpp:2123
#19 0x00007f4fe27d22ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#20 0x00007f4fe66fb22d in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f4fe671bbb5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f4fe27c8ceb in QObjectPrivate::deleteChildren (this=0x55ab10065790) at kernel/qobject.cpp:2123
#23 0x00007f4fe27d22ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#24 0x00007f4fe66fb22d in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007f4fe671bbb5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007f4fe27c8ceb in QObjectPrivate::deleteChildren (this=0x55ab0f85c960) at kernel/qobject.cpp:2123
#27 0x00007f4fe27d22ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#28 0x00007f4fe66fb22d in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#29 0x00007f4fe671bdd5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#30 0x00007f4fe27c8ceb in QObjectPrivate::deleteChildren (this=0x55ab0f85ae30) at kernel/qobject.cpp:2123
#31 0x00007f4fe27d22ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#32 0x00007f4fe66fb22d in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#33 0x00007f4fe671bbb5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#34 0x00007f4fe27cc5a5 in QObject::event (this=0x55ab0f85ad70, e=0x55ab148dbef0) at kernel/qobject.cpp:1326
#35 0x00007f4fe66f84db in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#36 0x00007f4fe3add9ac in QApplicationPrivate::notify_helper (this=this@entry=0x55ab0ef82930, receiver=receiver@entry=0x55ab0f85ad70, e=e@entry=0x55ab148dbef0) at kernel/qapplication.cpp:3685
#37 0x00007f4fe3ae4bb0 in QApplication::notify (this=0x7ffd46b4f8f0, receiver=0x55ab0f85ad70, e=0x55ab148dbef0) at kernel/qapplication.cpp:3431
#38 0x00007f4fe27994a8 in QCoreApplication::notifyInternal2 (receiver=0x55ab0f85ad70, event=0x55ab148dbef0) at kernel/qcoreapplication.cpp:1075
#39 0x00007f4fe279967e in QCoreApplication::sendEvent (receiver=receiver@entry=0x55ab0f85ad70, event=event@entry=0x55ab148dbef0) at kernel/qcoreapplication.cpp:1470
#40 0x00007f4fe279c121 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x55ab0ef77b00) at kernel/qcoreapplication.cpp:1815
#41 0x00007f4fe279c6b8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1674
#42 0x00007f4fe27f9103 in postEventSourceDispatch (s=0x55ab0efd6130) at kernel/qeventdispatcher_glib.cpp:277
#43 0x00007f4fdbd16417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f4fdbd16650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007f4fdbd166dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f4fe27f87ac in QEventDispatcherGlib::processEvents (this=0x55ab0efd85c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#47 0x00007f4fe2797d2a in QEventLoop::exec (this=this@entry=0x7ffd46b4f7a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#48 0x00007f4fe27a14a0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1383
#49 0x000055ab0ebff894 in ?? ()
#50 0x00007f4fe1d9eb97 in __libc_start_main (main=0x55ab0ebfea70, argc=1, argv=0x7ffd46b4faa8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd46b4fa98) at ../csu/libc-start.c:310
#51 0x000055ab0ebff9fa in _start ()

Possible duplicates by query: bug 421710, bug 421701, bug 421700, bug 421685, bug 421665.

Reported using DrKonqi