Application: plasmashell (5.17.0)

Qt Version: 5.13.1
Frameworks Version: 5.63.0
Operating System: Linux 5.0.0-31-generic x86_64
Distribution: KDE neon User Edition 5.17

-- Information about the crash:
- What I was doing when the application crashed:

In "Desktop Folder Settings" changed the time period for the slideshow

The crash can be reproduced sometimes.

-- 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 0x7fbb72a7a800 (LWP 3374))]

Thread 25 (Thread 0x7fbad5bdc700 (LWP 15018)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc60445d4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc6044580, cond=0x55bdc60445a8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc60445a8, mutex=0x55bdc6044580) at pthread_cond_wait.c:655
#3  0x00007fbb6c8bcb0b in QWaitConditionPrivate::wait (deadline=..., this=0x55bdc6044580) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x7fbad0029ef0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fbb6c8bce19 in QWaitCondition::wait (this=0x7fbad0029ef8, mutex=0x7fbad0029ef0, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007fbb708dbec8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fbb708dc2fa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fbb6c8b5b72 in QThreadPrivate::start (arg=0x7fbad0029e70) at thread/qthread_unix.cpp:360
#9  0x00007fbb697e76db in start_thread (arg=0x7fbad5bdc700) at pthread_create.c:463
#10 0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7fbad65e1700 (LWP 15017)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc5c7bf8c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc5c7bf38, cond=0x55bdc5c7bf60) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc5c7bf60, mutex=0x55bdc5c7bf38) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbad65e1700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fbaebeac700 (LWP 15014)):
#0  0x00007fbb660defec in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbb660df570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb660df6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb6caf89db in QEventDispatcherGlib::processEvents (this=0x7fbae0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fbb6ca98eaa in QEventLoop::exec (this=this@entry=0x7fbaebeabd80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fbb6c8b43ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fbb70382cb5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fbb6c8b5b72 in QThreadPrivate::start (arg=0x55bdc59b5fa0) at thread/qthread_unix.cpp:360
#8  0x00007fbb697e76db in start_thread (arg=0x7fbaebeac700) at pthread_create.c:463
#9  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fbae9f02700 (LWP 5560)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbb5000c834) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbb5000c7e0, cond=0x7fbb5000c808) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fbb5000c808, mutex=0x7fbb5000c7e0) at pthread_cond_wait.c:655
#3  0x00007fbb6c8bcb0b in QWaitConditionPrivate::wait (deadline=..., this=0x7fbb5000c7e0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55bdc57afd60, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fbb6c8bce19 in QWaitCondition::wait (this=0x55bdc57afd68, mutex=0x55bdc57afd60, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007fbb708dbec8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fbb708dc2fa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fbb6c8b5b72 in QThreadPrivate::start (arg=0x55bdc57afce0) at thread/qthread_unix.cpp:360
#9  0x00007fbb697e76db in start_thread (arg=0x7fbae9f02700) at pthread_create.c:463
#10 0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fbaeb02b700 (LWP 5559)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc58708c8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc5870878, cond=0x55bdc58708a0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc58708a0, mutex=0x55bdc5870878) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbaeb02b700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fbaf8d98700 (LWP 3891)):
#0  0x00007fbb6c1a5bf9 in __GI___poll (fds=0x7fbaf0004b00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fbb660df5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb660df6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb6caf89db in QEventDispatcherGlib::processEvents (this=0x7fbaf0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fbb6ca98eaa in QEventLoop::exec (this=this@entry=0x7fbaf8d97d30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fbb6c8b43ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fbb70855ac6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fbb6c8b5b72 in QThreadPrivate::start (arg=0x55bdc5348630) at thread/qthread_unix.cpp:360
#8  0x00007fbb697e76db in start_thread (arg=0x7fbaf8d98700) at pthread_create.c:463
#9  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fbaf9799700 (LWP 3720)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc55f50a0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc55f5050, cond=0x55bdc55f5078) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc55f5078, mutex=0x55bdc55f5050) at pthread_cond_wait.c:655
#3  0x00007fbb6c8bcb0b in QWaitConditionPrivate::wait (deadline=..., this=0x55bdc55f5050) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55bdc55fa9a0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fbb6c8bce19 in QWaitCondition::wait (this=0x55bdc55fa9a8, mutex=0x55bdc55fa9a0, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007fbb708dbec8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fbb708dc2fa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fbb6c8b5b72 in QThreadPrivate::start (arg=0x55bdc55fa920) at thread/qthread_unix.cpp:360
#9  0x00007fbb697e76db in start_thread (arg=0x7fbaf9799700) at pthread_create.c:463
#10 0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fbaf9f9a700 (LWP 3718)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc56d0538) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc56d04e8, cond=0x55bdc56d0510) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc56d0510, mutex=0x55bdc56d04e8) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbaf9f9a700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fbb30bf9700 (LWP 3687)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc548efe4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc548ef90, cond=0x55bdc548efb8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc548efb8, mutex=0x55bdc548ef90) at pthread_cond_wait.c:655
#3  0x00007fbb6c8bcb0b in QWaitConditionPrivate::wait (deadline=..., this=0x55bdc548ef90) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55bdc547e590, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fbb6c8bce19 in QWaitCondition::wait (this=0x55bdc547e598, mutex=0x55bdc547e590, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007fbb708dbec8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fbb708dc2fa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fbb6c8b5b72 in QThreadPrivate::start (arg=0x55bdc547e510) at thread/qthread_unix.cpp:360
#9  0x00007fbb697e76db in start_thread (arg=0x7fbb30bf9700) at pthread_create.c:463
#10 0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fbb0487a700 (LWP 3685)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc55a74fc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc55a74a8, cond=0x55bdc55a74d0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc55a74d0, mutex=0x55bdc55a74a8) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb0487a700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fbb317fa700 (LWP 3519)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4cd0444) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4cd03f0, cond=0x55bdc4cd0418) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4cd0418, mutex=0x55bdc4cd03f0) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb317fa700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fbb31ffb700 (LWP 3518)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4cd0444) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4cd03f0, cond=0x55bdc4cd0418) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4cd0418, mutex=0x55bdc4cd03f0) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb31ffb700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fbb327fc700 (LWP 3517)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4cd0444) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4cd03f0, cond=0x55bdc4cd0418) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4cd0418, mutex=0x55bdc4cd03f0) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb327fc700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fbb32ffd700 (LWP 3516)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4cd0444) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4cd03f0, cond=0x55bdc4cd0418) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4cd0418, mutex=0x55bdc4cd03f0) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb32ffd700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fbb337fe700 (LWP 3515)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4ccfec4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4ccfe70, cond=0x55bdc4ccfe98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4ccfe98, mutex=0x55bdc4ccfe70) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb337fe700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fbb33fff700 (LWP 3514)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4ccfec4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4ccfe70, cond=0x55bdc4ccfe98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4ccfe98, mutex=0x55bdc4ccfe70) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb33fff700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fbb409b8700 (LWP 3513)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4ccfec4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4ccfe70, cond=0x55bdc4ccfe98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4ccfe98, mutex=0x55bdc4ccfe70) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb409b8700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fbb411b9700 (LWP 3512)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4ccfec4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4ccfe70, cond=0x55bdc4ccfe98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4ccfe98, mutex=0x55bdc4ccfe70) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb411b9700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fbb419ba700 (LWP 3511)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4ccfec4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4ccfe70, cond=0x55bdc4ccfe98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4ccfe98, mutex=0x55bdc4ccfe70) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb419ba700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fbb421bb700 (LWP 3510)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4ccfec4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4ccfe70, cond=0x55bdc4ccfe98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4ccfe98, mutex=0x55bdc4ccfe70) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb421bb700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fbb429bc700 (LWP 3509)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4d09f08) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4d09eb8, cond=0x55bdc4d09ee0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4d09ee0, mutex=0x55bdc4d09eb8) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb429bc700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fbb43b40700 (LWP 3508)):
#0  0x00007fbb697ed9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bdc4dd4bdc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55bdc4dd4b88, cond=0x55bdc4dd4bb0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55bdc4dd4bb0, mutex=0x55bdc4dd4b88) at pthread_cond_wait.c:655
#3  0x00007fbb4cf893bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbb4cf88fc7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbb697e76db in start_thread (arg=0x7fbb43b40700) at pthread_create.c:463
#6  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fbb55323700 (LWP 3498)):
#0  0x00007fbb6c1a10b4 in __GI___libc_read (fd=18, buf=0x7fbb55322b70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fbb661242d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb660df0b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb660df570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbb660df6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbb6caf89db in QEventDispatcherGlib::processEvents (this=0x7fbb48000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fbb6ca98eaa in QEventLoop::exec (this=this@entry=0x7fbb55322d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007fbb6c8b43ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#8  0x00007fbb70382cb5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fbb6c8b5b72 in QThreadPrivate::start (arg=0x55bdc4baed40) at thread/qthread_unix.cpp:360
#10 0x00007fbb697e76db in start_thread (arg=0x7fbb55323700) at pthread_create.c:463
#11 0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fbb573ab700 (LWP 3390)):
#0  0x00007fbb66125640 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbb660df4d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb660df6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb6caf89db in QEventDispatcherGlib::processEvents (this=0x7fbb50000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fbb6ca98eaa in QEventLoop::exec (this=this@entry=0x7fbb573aad70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fbb6c8b43ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fbb6dbac0e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fbb6c8b5b72 in QThreadPrivate::start (arg=0x7fbb6de23d80) at thread/qthread_unix.cpp:360
#8  0x00007fbb697e76db in start_thread (arg=0x7fbb573ab700) at pthread_create.c:463
#9  0x00007fbb6c1b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fbb72a7a800 (LWP 3374)):
[KCrash Handler]
#6  0x00007fbb6ca61dc0 in QSortFilterProxyModelPrivate::build_source_to_proxy_mapping (proxy_to_source=..., source_to_proxy=..., this=0x55bdc59413c0) at itemmodels/qsortfilterproxymodel.cpp:1184
#7  0x00007fbb6ca66681 in QSortFilterProxyModelPrivate::sort (this=0x55bdc59413c0) at itemmodels/qsortfilterproxymodel.cpp:615
#8  0x00007fbb0540d260 in Image::backgroundsFound (this=0x55bdc73a25c0) at ./wallpapers/image/image.cpp:641
#9  0x00007fbb6cacb82f in QtPrivate::QSlotObjectBase::call (a=0x7ffef0e5a8a0, r=0x55bdc73a25c0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#10 QMetaObject::activate (sender=0x55bdc67b7a00, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3789
#11 0x00007fbb6cacc272 in QObject::event (this=0x55bdc67b7a00, e=<optimized out>) at kernel/qobject.cpp:1260
#12 0x00007fbb6e401eac in QApplicationPrivate::notify_helper (this=this@entry=0x55bdc4965fd0, receiver=receiver@entry=0x55bdc67b7a00, e=e@entry=0x7fbab003d280) at kernel/qapplication.cpp:3703
#13 0x00007fbb6e4094b0 in QApplication::notify (this=0x7ffef0e5afc0, receiver=0x55bdc67b7a00, e=0x7fbab003d280) at kernel/qapplication.cpp:3449
#14 0x00007fbb6ca9ad48 in QCoreApplication::notifyInternal2 (receiver=0x55bdc67b7a00, event=0x7fbab003d280) at kernel/qcoreapplication.cpp:1095
#15 0x00007fbb6ca9af1e in QCoreApplication::sendEvent (receiver=<optimized out>, event=event@entry=0x7fbab003d280) at kernel/qcoreapplication.cpp:1490
#16 0x00007fbb6ca9d667 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x55bdc495bb40) at kernel/qcoreapplication.cpp:1840
#17 0x00007fbb6ca9dbf8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1694
#18 0x00007fbb6caf93a3 in postEventSourceDispatch (s=0x55bdc49dbfe0) at kernel/qeventdispatcher_glib.cpp:277
#19 0x00007fbb660df417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fbb660df650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fbb660df6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fbb6caf89bf in QEventDispatcherGlib::processEvents (this=0x55bdc49ccae0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#23 0x00007fbb6ca98eaa in QEventLoop::exec (this=this@entry=0x7ffef0e5ae70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#24 0x00007fbb6caa2220 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1403
#25 0x000055bdc442dcef in main (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:219

Possible duplicates by query: bug 412462, bug 292489, bug 286360, bug 219800.

Reported using DrKonqi