Application: plasmashell (5.18.5)

Qt Version: 5.14.2
Frameworks Version: 5.70.0
Operating System: Linux 5.6.7-050607-generic x86_64
Windowing system: X11
Distribution: KDE neon Testing Edition

-- Information about the crash:
Oops it did it again on restart after ne updates

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9bcdb4fc80 (LWP 3573))]

Thread 19 (Thread 0x7f9b39b74700 (LWP 4054)):
#0  0x00007f9bc42609f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b98d5bb274) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bc42609f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b98d5bb220, cond=0x55b98d5bb248) at pthread_cond_wait.c:502
#2  0x00007f9bc42609f3 in __pthread_cond_wait (cond=0x55b98d5bb248, mutex=0x55b98d5bb220) at pthread_cond_wait.c:655
#3  0x00007f9bc7628e5b in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x55b98d5bb220) at thread/qwaitcondition_unix.cpp:146
#4  0x00007f9bc7628e5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x55b98d5631e0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9bc7628fd9 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x55b98d5631e8, mutex=mutex@entry=0x55b98d5631e0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9bcb727233 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x55b98d5631d8) at scenegraph/qsgthreadedrenderloop.cpp:255
#7  0x00007f9bcb727233 in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x55b98d563140) at scenegraph/qsgthreadedrenderloop.cpp:905
#8  0x00007f9bcb727691 in QSGRenderThread::run() (this=0x55b98d563140) at scenegraph/qsgthreadedrenderloop.cpp:1000
#9  0x00007f9bc76228ac in QThreadPrivate::start(void*) (arg=0x55b98d563140) at thread/qthread_unix.cpp:342
#10 0x00007f9bc425a6db in start_thread (arg=0x7f9b39b74700) at pthread_create.c:463
#11 0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f9b3a375700 (LWP 4053)):
#0  0x00007f9bc42609f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b98d7d3ba8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bc42609f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b98d7d3b58, cond=0x55b98d7d3b80) at pthread_cond_wait.c:502
#2  0x00007f9bc42609f3 in __pthread_cond_wait (cond=0x55b98d7d3b80, mutex=0x55b98d7d3b58) at pthread_cond_wait.c:655
#3  0x00007f9ba2ccaa0b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9ba2cca607 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9bc425a6db in start_thread (arg=0x7f9b3a375700) at pthread_create.c:463
#6  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f9b40e85700 (LWP 4050)):
#0  0x00007f9bc6ebb0b4 in __GI___libc_read (fd=41, buf=0x7f9b40e84b50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f9bc100d2b0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bc0fc80b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bc0fc8570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9bc0fc86dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9bc787144b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f9b3c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f9bc78109aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f9b40e84d60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f9bc76213d7 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:536
#8  0x00007f9b4ed1d467 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007f9bc76228ac in QThreadPrivate::start(void*) (arg=0x55b98d018df0) at thread/qthread_unix.cpp:342
#10 0x00007f9bc425a6db in start_thread (arg=0x7f9b40e85700) at pthread_create.c:463
#11 0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f9b64a06700 (LWP 3967)):
#0  0x00007f9bc42609f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b98bf4ffd4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bc42609f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b98bf4ff80, cond=0x55b98bf4ffa8) at pthread_cond_wait.c:502
#2  0x00007f9bc42609f3 in __pthread_cond_wait (cond=0x55b98bf4ffa8, mutex=0x55b98bf4ff80) at pthread_cond_wait.c:655
#3  0x00007f9bc7628e5b in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x55b98bf4ff80) at thread/qwaitcondition_unix.cpp:146
#4  0x00007f9bc7628e5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x55b98bbfd480, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9bc7628fd9 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x55b98bbfd488, mutex=mutex@entry=0x55b98bbfd480, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f9bcb727233 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x55b98bbfd478) at scenegraph/qsgthreadedrenderloop.cpp:255
#7  0x00007f9bcb727233 in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x55b98bbfd3e0) at scenegraph/qsgthreadedrenderloop.cpp:905
#8  0x00007f9bcb727691 in QSGRenderThread::run() (this=0x55b98bbfd3e0) at scenegraph/qsgthreadedrenderloop.cpp:1000
#9  0x00007f9bc76228ac in QThreadPrivate::start(void*) (arg=0x55b98bbfd3e0) at thread/qthread_unix.cpp:342
#10 0x00007f9bc425a6db in start_thread (arg=0x7f9b64a06700) at pthread_create.c:463
#11 0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f9b677fe700 (LWP 3966)):
#0  0x00007f9bc42609f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b98c69d28c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bc42609f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b98c69d238, cond=0x55b98c69d260) at pthread_cond_wait.c:502
#2  0x00007f9bc42609f3 in __pthread_cond_wait (cond=0x55b98c69d260, mutex=0x55b98c69d238) at pthread_cond_wait.c:655
#3  0x00007f9ba2ccaa0b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9ba2cca607 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9bc425a6db in start_thread (arg=0x7f9b677fe700) at pthread_create.c:463
#6  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f9b67fff700 (LWP 3951)):
#0  0x00007f9bc6ebfbf9 in __GI___poll (fds=0x7f9b5c039810, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9bc0fc85c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bc0fc86dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bc787144b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f9b5c007280, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f9bc78109aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f9b67ffed30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f9bc76213d7 in QThread::exec() (this=this@entry=0x55b98b78aa70) at thread/qthread.cpp:536
#6  0x00007f9bcb669b06 in QQuickPixmapReader::run() (this=0x55b98b78aa70) at util/qquickpixmapcache.cpp:987
#7  0x00007f9bc76228ac in QThreadPrivate::start(void*) (arg=0x55b98b78aa70) at thread/qthread_unix.cpp:342
#8  0x00007f9bc425a6db in start_thread (arg=0x7f9b67fff700) at pthread_create.c:463
#9  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f9b6e834700 (LWP 3875)):
#0  0x00007f9bc6ebfbf9 in __GI___poll (fds=0x7f9b68002de0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9bc0fc85c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bc0fc86dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bc787144b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f9b68000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f9bc78109aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f9b6e833d40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f9bc76213d7 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:536
#6  0x00007f9bc04a656f in  () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#7  0x00007f9bc76228ac in QThreadPrivate::start(void*) (arg=0x7f9bc0735260) at thread/qthread_unix.cpp:342
#8  0x00007f9bc425a6db in start_thread (arg=0x7f9b6e834700) at pthread_create.c:463
#9  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f9b94df9700 (LWP 3834)):
#0  0x00007f9bc0fc7a79 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9bc0fc84fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bc0fc86dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bc787144b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f9b7c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f9bc78109aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f9b94df8da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f9bc76213d7 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:536
#6  0x00007f9bc76228ac in QThreadPrivate::start(void*) (arg=0x55b98c0d5200) at thread/qthread_unix.cpp:342
#7  0x00007f9bc425a6db in start_thread (arg=0x7f9b94df9700) at pthread_create.c:463
#8  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f9b957fa700 (LWP 3698)):
#0  0x00007f9bc42609f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b98bc63b10) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bc42609f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b98bc63ac0, cond=0x55b98bc63ae8) at pthread_cond_wait.c:502
#2  0x00007f9bc42609f3 in __pthread_cond_wait (cond=0x55b98bc63ae8, mutex=0x55b98bc63ac0) at pthread_cond_wait.c:655
#3  0x00007f9ba2ccaa0b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9ba2cca607 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9bc425a6db in start_thread (arg=0x7f9b957fa700) at pthread_create.c:463
#6  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f9b95ffb700 (LWP 3697)):
#0  0x00007f9bc42609f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b98bc63b10) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bc42609f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b98bc63ac0, cond=0x55b98bc63ae8) at pthread_cond_wait.c:502
#2  0x00007f9bc42609f3 in __pthread_cond_wait (cond=0x55b98bc63ae8, mutex=0x55b98bc63ac0) at pthread_cond_wait.c:655
#3  0x00007f9ba2ccaa0b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9ba2cca607 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9bc425a6db in start_thread (arg=0x7f9b95ffb700) at pthread_create.c:463
#6  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f9b967fc700 (LWP 3696)):
#0  0x00007f9bc42609f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b98bc63410) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bc42609f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b98bc633c0, cond=0x55b98bc633e8) at pthread_cond_wait.c:502
#2  0x00007f9bc42609f3 in __pthread_cond_wait (cond=0x55b98bc633e8, mutex=0x55b98bc633c0) at pthread_cond_wait.c:655
#3  0x00007f9ba2ccaa0b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9ba2cca607 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9bc425a6db in start_thread (arg=0x7f9b967fc700) at pthread_create.c:463
#6  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f9b96ffd700 (LWP 3695)):
#0  0x00007f9bc42609f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b98bc63410) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bc42609f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b98bc633c0, cond=0x55b98bc633e8) at pthread_cond_wait.c:502
#2  0x00007f9bc42609f3 in __pthread_cond_wait (cond=0x55b98bc633e8, mutex=0x55b98bc633c0) at pthread_cond_wait.c:655
#3  0x00007f9ba2ccaa0b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9ba2cca607 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9bc425a6db in start_thread (arg=0x7f9b96ffd700) at pthread_create.c:463
#6  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f9b977fe700 (LWP 3694)):
#0  0x00007f9bc42609f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b98bc63414) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bc42609f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b98bc633c0, cond=0x55b98bc633e8) at pthread_cond_wait.c:502
#2  0x00007f9bc42609f3 in __pthread_cond_wait (cond=0x55b98bc633e8, mutex=0x55b98bc633c0) at pthread_cond_wait.c:655
#3  0x00007f9ba2ccaa0b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9ba2cca607 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9bc425a6db in start_thread (arg=0x7f9b977fe700) at pthread_create.c:463
#6  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f9b97fff700 (LWP 3693)):
#0  0x00007f9bc42609f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b98bbbd718) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bc42609f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b98bbbd6c8, cond=0x55b98bbbd6f0) at pthread_cond_wait.c:502
#2  0x00007f9bc42609f3 in __pthread_cond_wait (cond=0x55b98bbbd6f0, mutex=0x55b98bbbd6c8) at pthread_cond_wait.c:655
#3  0x00007f9ba2ccaa0b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9ba2cca607 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9bc425a6db in start_thread (arg=0x7f9b97fff700) at pthread_create.c:463
#6  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f9b9d384700 (LWP 3691)):
#0  0x00007f9bc42609f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b98bc5f10c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bc42609f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b98bc5f0b8, cond=0x55b98bc5f0e0) at pthread_cond_wait.c:502
#2  0x00007f9bc42609f3 in __pthread_cond_wait (cond=0x55b98bc5f0e0, mutex=0x55b98bc5f0b8) at pthread_cond_wait.c:655
#3  0x00007f9ba2ccaa0b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9ba2cca607 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9bc425a6db in start_thread (arg=0x7f9b9d384700) at pthread_create.c:463
#6  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f9bafdc7700 (LWP 3677)):
#0  0x00007f9bc100e644 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9bc0fc74b7 in g_main_context_acquire () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bc0fc8485 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bc0fc86dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9bc787144b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f9ba4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f9bc78109aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f9bafdc6d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f9bc76213d7 in QThread::exec() (this=this@entry=0x55b98b979840) at thread/qthread.cpp:536
#7  0x00007f9bcb1d3fc5 in QQmlThreadPrivate::run() (this=0x55b98b979840) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f9bc76228ac in QThreadPrivate::start(void*) (arg=0x55b98b979840) at thread/qthread_unix.cpp:342
#9  0x00007f9bc425a6db in start_thread (arg=0x7f9bafdc7700) at pthread_create.c:463
#10 0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f9bb5e88700 (LWP 3599)):
#0  0x00007f9bc100e629 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9bc0fc7b33 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bc0fc84fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bc0fc86dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9bc787144b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f9ba8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f9bc78109aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f9bb5e87d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f9bc76213d7 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:536
#7  0x00007f9bc951e555 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f9bc76228ac in QThreadPrivate::start(void*) (arg=0x7f9bc9796da0) at thread/qthread_unix.cpp:342
#9  0x00007f9bc425a6db in start_thread (arg=0x7f9bb5e88700) at pthread_create.c:463
#10 0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f9bb84a3700 (LWP 3591)):
#0  0x00007f9bc6ebfbf9 in __GI___poll (fds=0x7f9bb84a2ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9bcc339747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9bcc33b36a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9bbac64fd0 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f9bc76228ac in QThreadPrivate::start(void*) (arg=0x55b98b7424d0) at thread/qthread_unix.cpp:342
#5  0x00007f9bc425a6db in start_thread (arg=0x7f9bb84a3700) at pthread_create.c:463
#6  0x00007f9bc6ecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f9bcdb4fc80 (LWP 3573)):
[KCrash Handler]
#4  0x00007f9bc6de9e97 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#5  0x00007f9bc6deb801 in __GI_abort () at abort.c:79
#6  0x00007f9bc6e34897 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f9bc6f61b9a "%s\n") at ../sysdeps/posix/libc_fatal.c:181
#7  0x00007f9bc6e3b90a in malloc_printerr (str=str@entry=0x7f9bc6f5fd88 "free(): invalid pointer") at malloc.c:5350
#8  0x00007f9bc6e42e1c in _int_free (have_lock=0, p=0x55b98e196d1f, av=0x7f9bc7196c40 <main_arena>) at malloc.c:4157
#9  0x00007f9bc6e42e1c in __GI___libc_free (mem=0x55b98e196d2f) at malloc.c:3124
#10 0x00007f9bc762f1a1 in QArrayData::deallocate(QArrayData*, unsigned long, unsigned long) (data=<optimized out>, objectSize=objectSize@entry=32, alignment=alignment@entry=8) at tools/qarraydata.cpp:270
#11 0x00007f9bcb8a8d7f in QTypedArrayData<QQuickOpenGLShaderEffectMaterial::UniformData>::deallocate(QArrayData*) (data=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:239
#12 0x00007f9bcb8a8d7f in QVector<QQuickOpenGLShaderEffectMaterial::UniformData>::freeData(QTypedArrayData<QQuickOpenGLShaderEffectMaterial::UniformData>*) (x=<optimized out>, this=0x9) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h:585
#13 0x00007f9bcb8abf61 in QVector<QQuickOpenGLShaderEffectMaterial::UniformData>::~QVector() (this=0x9, __in_chrg=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h:73
#14 0x00007f9bcb8abf61 in QQuickOpenGLShaderEffectCommon::~QQuickOpenGLShaderEffectCommon() (this=0x55b98dcec730, __in_chrg=<optimized out>) at items/qquickopenglshadereffect.cpp:222
#15 0x00007f9bcb8ac082 in QQuickOpenGLShaderEffect::~QQuickOpenGLShaderEffect() (this=0x55b98dcec690, __in_chrg=<optimized out>) at items/qquickopenglshadereffect.cpp:657
#16 0x00007f9bcb8ac139 in QQuickOpenGLShaderEffect::~QQuickOpenGLShaderEffect() (this=0x55b98dcec690, __in_chrg=<optimized out>) at items/qquickopenglshadereffect.cpp:661
#17 0x00007f9bcb8a3063 in QQuickShaderEffect::~QQuickShaderEffect() (this=0x55b98dcec480, __in_chrg=<optimized out>) at items/qquickshadereffect.cpp:535
#18 0x00007f9bcb790e75 in QQmlPrivate::QQmlElement<QQuickShaderEffect>::~QQmlElement() (this=0x55b98dcec480, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#19 0x00007f9bcb790e75 in QQmlPrivate::QQmlElement<QQuickShaderEffect>::~QQmlElement() (this=0x55b98dcec480, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#20 0x00007f9bc784196b in QObjectPrivate::deleteChildren() (this=0x55b98dceb990) at kernel/qobject.cpp:2123
#21 0x00007f9bc784af4e in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#22 0x00007f9bcb76f22d in QQuickItem::~QQuickItem() (this=0x55b98dceb8d0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#23 0x00007f9bcb78fbb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55b98dceb8d0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#24 0x00007f9bcb78fbb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55b98dceb8d0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#25 0x00007f9bc784196b in QObjectPrivate::deleteChildren() (this=0x55b98dceb540) at kernel/qobject.cpp:2123
#26 0x00007f9bc784af4e in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#27 0x00007f9bcb76f22d in QQuickItem::~QQuickItem() (this=0x55b98dceb480, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#28 0x00007f9bcb78fbb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55b98dceb480, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#29 0x00007f9bcb78fbb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55b98dceb480, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#30 0x00007f9bc784196b in QObjectPrivate::deleteChildren() (this=0x55b98dceb1e0) at kernel/qobject.cpp:2123
#31 0x00007f9bc784af4e in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#32 0x00007f9bcb76f22d in QQuickItem::~QQuickItem() (this=0x55b98dceb120, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#33 0x00007f9bcb78fbb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55b98dceb120, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#34 0x00007f9bcb78fbb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55b98dceb120, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#35 0x00007f9bc784196b in QObjectPrivate::deleteChildren() (this=0x55b98dccdf40) at kernel/qobject.cpp:2123
#36 0x00007f9bc784af4e in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#37 0x00007f9bcb76f22d in QQuickItem::~QQuickItem() (this=0x55b98dccde80, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#38 0x00007f9bcb78fdd5 in QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement() (this=0x55b98dccde80, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#39 0x00007f9bcb78fdd5 in QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement() (this=0x55b98dccde80, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#40 0x00007f9bc784196b in QObjectPrivate::deleteChildren() (this=0x55b98dccc370) at kernel/qobject.cpp:2123
#41 0x00007f9bc784af4e in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#42 0x00007f9bcb76f22d in QQuickItem::~QQuickItem() (this=0x55b98dccc2b0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#43 0x00007f9bcb78fbb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55b98dccc2b0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#44 0x00007f9bcb78fbb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55b98dccc2b0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#45 0x00007f9bc784196b in QObjectPrivate::deleteChildren() (this=0x55b98dc8e0b0) at kernel/qobject.cpp:2123
#46 0x00007f9bc784af4e in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#47 0x00007f9bcb76f22d in QQuickItem::~QQuickItem() (this=0x55b98dc8dff0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#48 0x00007f9bcb78fdd5 in QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement() (this=0x55b98dc8dff0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#49 0x00007f9bcb78fdd5 in QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement() (this=0x55b98dc8dff0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#50 0x00007f9bc784196b in QObjectPrivate::deleteChildren() (this=0x55b98dcc9a50) at kernel/qobject.cpp:2123
#51 0x00007f9bc784af4e in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#52 0x00007f9bcb76f22d in QQuickItem::~QQuickItem() (this=0x55b98dcc9990, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#53 0x00007f9bcb78fbb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55b98dcc9990, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#54 0x00007f9bcb78fbb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55b98dcc9990, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#55 0x00007f9bc7845225 in QObject::event(QEvent*) (this=this@entry=0x55b98dcc9990, e=e@entry=0x55b98dc8d5d0) at kernel/qobject.cpp:1326
#56 0x00007f9bcb76c4db in QQuickItem::event(QEvent*) (this=0x55b98dcc9990, ev=0x55b98dc8d5d0) at items/qquickitem.cpp:8162
#57 0x00007f9bc8b559ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#58 0x00007f9bc8b5cbb0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#59 0x00007f9bc7812128 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55b98dcc9990, event=0x55b98dc8d5d0) at kernel/qcoreapplication.cpp:1075
#60 0x00007f9bc78122fe in QCoreApplication::sendEvent(QObject*, QEvent*) (receiver=receiver@entry=0x55b98dcc9990, event=event@entry=0x55b98dc8d5d0) at kernel/qcoreapplication.cpp:1470
#61 0x00007f9bc7814da1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x55b98b732f20) at kernel/qcoreapplication.cpp:1815
#62 0x00007f9bc7815338 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1674
#63 0x00007f9bc7871d83 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x55b98b7a0f70) at kernel/qeventdispatcher_glib.cpp:277
#64 0x00007f9bc0fc8417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007f9bc0fc8650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#66 0x00007f9bc0fc86dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#67 0x00007f9bc787142c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55b98b7afc40, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#68 0x00007f9bc78109aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffd03794250, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#69 0x00007f9bc781a120 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1383
#70 0x000055b9894ff894 in  ()
#71 0x00007f9bc6dccb97 in __libc_start_main (main=0x55b9894fea70, argc=1, argv=0x7ffd03794558, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd03794548) at ../csu/libc-start.c:310
#72 0x000055b9894ff9fa in _start ()
[Inferior 1 (process 3573) detached]

Possible duplicates by query: bug 421047, bug 421008, bug 420414, bug 419798, bug 419017.

Reported using DrKonqi