Application: plasmashell (5.23.5)

Qt Version: 5.15.3
Frameworks Version: 5.89.0
Operating System: Linux 5.11.0-44-generic x86_64
Windowing System: X11
Distribution: KDE neon User - Plasma 25th Anniversary Edition
DrKonqi: 5.23.5 [KCrashBackend]

-- Information about the crash:
- What I was doing when the application crashed:
applying latest security updates plasma version 5.23.5
frameworks 5.89
qt 5.15.3
kernel 5.11.0-44-generic 64 bit

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault

[New LWP 2825]
[New LWP 2851]
[New LWP 2880]
[New LWP 2881]
[New LWP 2882]
[New LWP 2883]
[New LWP 2884]
[New LWP 2885]
[New LWP 2886]
[New LWP 2887]
[New LWP 2888]
[New LWP 2889]
[New LWP 2890]
[New LWP 2891]
[New LWP 2892]
[New LWP 2893]
[New LWP 2894]
[New LWP 2895]
[New LWP 2896]
[New LWP 2897]
[New LWP 2898]
[New LWP 2899]
[New LWP 2900]
[New LWP 2901]
[New LWP 3016]
[New LWP 3107]
[New LWP 3108]
[New LWP 3109]
[New LWP 3110]
[New LWP 3111]
[New LWP 3112]
[New LWP 3113]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f332e501aff in __GI___poll (fds=0x7ffc2a7c11f8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7f332a6429c0 (LWP 2813))]

Thread 33 (Thread 0x7f32a4ffa700 (LWP 3113)):
#0  0x00007f332e501aff in __GI___poll (fds=0x7f3288006930, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f332cd9836e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f332cd984a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f332ead165b in QEventDispatcherGlib::processEvents (this=0x7f3288000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f332ea758db in QEventLoop::exec (this=this@entry=0x7f32a4ff9ba0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f332e88f2e2 in QThread::exec (this=this@entry=0x7f32ac0ab1e0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f333043b3fa in QQuickPixmapReader::run (this=0x7f32ac0ab1e0) at util/qquickpixmapcache.cpp:1024
#7  0x00007f332e890482 in QThreadPrivate::start (arg=0x7f32ac0ab1e0) at thread/qthread_unix.cpp:331
#8  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7f32a57fb700 (LWP 3112)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bdb0565b4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bdb056560, cond=0x558bdb056588) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bdb056588, mutex=0x558bdb056560) at pthread_cond_wait.c:638
#3  0x00007f332e89660b in QWaitConditionPrivate::wait (deadline=..., this=0x558bdb056560) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=this@entry=0x558bdb201318, mutex=mutex@entry=0x558bdb201310, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3330500c24 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x558bdb201308) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x558bdb201270) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f3330501099 in QSGRenderThread::run (this=0x558bdb201270) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f332e890482 in QThreadPrivate::start (arg=0x558bdb201270) at thread/qthread_unix.cpp:331
#9  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7f32a63fc700 (LWP 3111)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bdb7a4ce0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bdb7a4c90, cond=0x558bdb7a4cb8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bdb7a4cb8, mutex=0x558bdb7a4c90) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7f32a6bfd700 (LWP 3110)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bdaa9ab30) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bdaa9aae0, cond=0x558bdaa9ab08) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bdaa9ab08, mutex=0x558bdaa9aae0) at pthread_cond_wait.c:638
#3  0x00007f332e89660b in QWaitConditionPrivate::wait (deadline=..., this=0x558bdaa9aae0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=this@entry=0x558bdb3906d8, mutex=mutex@entry=0x558bdb3906d0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3330500c24 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x558bdb3906c8) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x558bdb390630) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f3330501099 in QSGRenderThread::run (this=0x558bdb390630) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f332e890482 in QThreadPrivate::start (arg=0x558bdb390630) at thread/qthread_unix.cpp:331
#9  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f32a77fe700 (LWP 3109)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bdb6dc890) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bdb6dc840, cond=0x558bdb6dc868) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bdb6dc868, mutex=0x558bdb6dc840) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f32a7fff700 (LWP 3108)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bdb2ee430) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bdb2ee3e0, cond=0x558bdb2ee408) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bdb2ee408, mutex=0x558bdb2ee3e0) at pthread_cond_wait.c:638
#3  0x00007f332e89660b in QWaitConditionPrivate::wait (deadline=..., this=0x558bdb2ee3e0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=this@entry=0x558bdb37ea48, mutex=mutex@entry=0x558bdb37ea40, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3330500c24 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x558bdb37ea38) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x558bdb37e9a0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f3330501099 in QSGRenderThread::run (this=0x558bdb37e9a0) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f332e890482 in QThreadPrivate::start (arg=0x558bdb37e9a0) at thread/qthread_unix.cpp:331
#9  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f32b31ef700 (LWP 3107)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bdb5dc020) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bdb5dbfd0, cond=0x558bdb5dbff8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bdb5dbff8, mutex=0x558bdb5dbfd0) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f32d0ff9700 (LWP 3016)):
#0  0x00007f332e501aff in __GI___poll (fds=0x7f32ac004a60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f332cd9836e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f332cd984a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f332ead165b in QEventDispatcherGlib::processEvents (this=0x7f32ac000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f332ea758db in QEventLoop::exec (this=this@entry=0x7f32d0ff8bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f332e88f2e2 in QThread::exec (this=this@entry=0x558bda2fa250) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f33300a1559 in QQmlThreadPrivate::run (this=0x558bda2fa250) at qml/ftw/qqmlthread.cpp:155
#7  0x00007f332e890482 in QThreadPrivate::start (arg=0x558bda2fa250) at thread/qthread_unix.cpp:331
#8  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f32d17fa700 (LWP 2901)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda079890) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079840, cond=0x558bda079868) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079868, mutex=0x558bda079840) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f32d1ffb700 (LWP 2900)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda079890) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079840, cond=0x558bda079868) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079868, mutex=0x558bda079840) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f32d27fc700 (LWP 2899)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda079890) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079840, cond=0x558bda079868) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079868, mutex=0x558bda079840) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f32d2ffd700 (LWP 2898)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda079890) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079840, cond=0x558bda079868) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079868, mutex=0x558bda079840) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f32d37fe700 (LWP 2897)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda079890) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079840, cond=0x558bda079868) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079868, mutex=0x558bda079840) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f32d3fff700 (LWP 2896)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f32f4ff9700 (LWP 2895)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f32f57fa700 (LWP 2894)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f32f5ffb700 (LWP 2893)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f32f67fc700 (LWP 2892)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f32f6ffd700 (LWP 2891)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f32f77fe700 (LWP 2890)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f32f7fff700 (LWP 2889)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f3314845700 (LWP 2888)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f3315046700 (LWP 2887)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f3315847700 (LWP 2886)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f3316048700 (LWP 2885)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07918c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda079138, cond=0x558bda079160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda079160, mutex=0x558bda079138) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f3316849700 (LWP 2884)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda076458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda076408, cond=0x558bda076430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda076430, mutex=0x558bda076408) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f3320d0e700 (LWP 2883)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda076458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda076408, cond=0x558bda076430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda076430, mutex=0x558bda076408) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f332150f700 (LWP 2882)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda076458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda076408, cond=0x558bda076430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda076430, mutex=0x558bda076408) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f3321d10700 (LWP 2881)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda076458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda076408, cond=0x558bda076430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda076430, mutex=0x558bda076408) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f3322666700 (LWP 2880)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558bda07573c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558bda0756e8, cond=0x558bda075710) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558bda075710, mutex=0x558bda0756e8) at pthread_cond_wait.c:638
#3  0x00007f3322834e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3322834a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f3328bc4700 (LWP 2851)):
#0  __GI___libc_read (nbytes=16, buf=0x7f3328bc39a0, fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=7, buf=0x7f3328bc39a0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f332cde0b2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f332cd97ebe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f332cd98312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f332cd984a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f332ead165b in QEventDispatcherGlib::processEvents (this=0x7f331c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f332ea758db in QEventLoop::exec (this=this@entry=0x7f3328bc3bb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#8  0x00007f332e88f2e2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#9  0x00007f332f403f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007f332e890482 in QThreadPrivate::start (arg=0x7f332f487d80) at thread/qthread_unix.cpp:331
#11 0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f3329872700 (LWP 2825)):
#0  0x00007f332e501aff in __GI___poll (fds=0x7f3329871ae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3330c18c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f3330c1a90a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f3329fa3f98 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f332e890482 in QThreadPrivate::start (arg=0x558bd9dd5410) at thread/qthread_unix.cpp:331
#5  0x00007f332d7c9609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f332e50e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f332a6429c0 (LWP 2813)):
[KCrash Handler]
#4  0x00007f3330545c15 in QVector<QQuickItem*>::isEmpty (this=0x14aa80000033f) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h:90
#5  QQuickItem::polish (this=this@entry=0x558bdae27c70) at items/qquickitem.cpp:4437
#6  0x00007f333055a768 in forcePolishHelper (item=0x558bdae27c70) at items/qquickwindow.cpp:469
#7  0x00007f333055a72a in forcePolishHelper (item=0x558bdb4da2e0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:570
#8  0x00007f333055a72a in forcePolishHelper (item=0x558bda7a5140) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:570
#9  0x00007f333055a72a in forcePolishHelper (item=0x558bdccfa330) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:570
#10 0x00007f333055a72a in forcePolishHelper (item=0x558bdccf7b90) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:570
#11 0x00007f333055a793 in QQuickWindowPrivate::forcePolish (this=this@entry=0x558bdccf7860) at items/qquickwindow.cpp:485
#12 0x00007f333055a897 in QQuickWindow::handleScreenChanged (this=0x558bdcce4970, screen=0x558bd9f3b010) at items/qquickwindow.cpp:463
#13 0x00007f333055cefd in QQuickWindow::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qquickwindow.cpp:297
#14 0x00007f332eaade40 in doActivate<false> (sender=0x558bdcce4970, signal_index=3, argv=0x7ffc2a7c2140) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#15 0x00007f332ee5dc43 in QWindow::screenChanged(QScreen*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007f332ee5e4c7 in QWindowPrivate::emitScreenChangedRecursion(QScreen*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007f332ee655e6 in QWindowPrivate::setTopLevelScreen(QScreen*, bool) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f332ee57228 in QGuiApplicationPrivate::processWindowScreenChangedEvent(QWindowSystemInterfacePrivate::WindowScreenChangedEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f332ee5ba44 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f332ee337ac in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007f3329fa4fbe in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#22 0x00007f332cd9817d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f332cd98400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f332cd984a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f332ead1642 in QEventDispatcherGlib::processEvents (this=0x558bd9f6d3c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#26 0x00007f332ea758db in QEventLoop::exec (this=this@entry=0x7ffc2a7c2540, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#27 0x00007f332ea7da94 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#28 0x0000558bd98e7cf5 in main (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:238
[Inferior 1 (process 2813) detached]

Possible duplicates by query: bug 446987, bug 445315, bug 408030, bug 389761, bug 386383.

Reported using DrKonqi