Application: plasmashell (5.18.4)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.6.7-050607-lowlatency x86_64
Windowing system: X11
Distribution: Ubuntu 20.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Editing widgets on the default main panel

- Unusual behavior I noticed:
Icons for Telegram and Pidgin weren't showing up before the crash

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 0x7f9f8c4e4280 (LWP 2393))]

Thread 48 (Thread 0x7f9e91ffb700 (LWP 3626)):
#0  __GI___libc_read (nbytes=16, buf=0x7f9e91ffab70, fd=49) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=49, buf=0x7f9e91ffab70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f9f8e82289f in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f8e7d9cfe in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9f8e7da152 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9f8e7da2e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9f90151583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9f900f84db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9f8ff30785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9f918a31a9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f9f8ff319d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 47 (Thread 0x7f9e927fc700 (LWP 3625)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b1331f5cb4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b1331f5c60, cond=0x55b1331f5c88) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b1331f5c88, mutex=0x55b1331f5c60) at pthread_cond_wait.c:638
#3  0x00007f9f8ff37b0f in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9f8ff37c01 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9f91c16109 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f9f91c163ad in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f9f8ff319d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 46 (Thread 0x7f9e937fe700 (LWP 3624)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b13103e9c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b13103e978, cond=0x55b13103e9a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b13103e9a0, mutex=0x55b13103e978) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 45 (Thread 0x7f9e92ffd700 (LWP 3478)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b132a2b714) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b132a2b6c0, cond=0x55b132a2b6e8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b132a2b6e8, mutex=0x55b132a2b6c0) at pthread_cond_wait.c:638
#3  0x00007f9f8ff37b0f in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9f8ff37c01 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9f91c16109 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f9f91c163ad in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f9f8ff319d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 44 (Thread 0x7f9ecc3a8700 (LWP 3477)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b132670548) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b1326704f8, cond=0x55b132670520) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b132670520, mutex=0x55b1326704f8) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 43 (Thread 0x7f9ebf7fe700 (LWP 2726)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b130237b50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b130237b00, cond=0x55b130237b28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b130237b28, mutex=0x55b130237b00) at pthread_cond_wait.c:638
#3  0x00007f9f8ff37b0f in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9f8ff37c01 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9f91c16109 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f9f91c163ad in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f9f8ff319d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 42 (Thread 0x7f9ebffff700 (LWP 2725)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b130289d0c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b130289cb8, cond=0x55b130289ce0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b130289ce0, mutex=0x55b130289cb8) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 41 (Thread 0x7f9ef4fe2700 (LWP 2717)):
#0  0x00007f9f8fbb396f in __GI___poll (fds=0x7f9ec40029e0, nfds=1, timeout=3134600) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9f8e7da1ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9f8e7da2e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f90151583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9f900f84db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9f8ff30785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9ec8ec80bc in KCupsConnection::run() () at /lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f9f8ff319d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 40 (Thread 0x7f9ef57e3700 (LWP 2625)):
#0  __GI___libc_read (nbytes=16, buf=0x7f9ef57e2b50, fd=20) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=20, buf=0x7f9ef57e2b50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f9f8e82289f in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f8e7d9cfe in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9f8e7da152 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9f8e7da2e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9f90151583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9f900f84db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9f8ff30785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9f91b89e1a in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f9f8ff319d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 39 (Thread 0x7f9ef77fe700 (LWP 2624)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f61b1c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f61b170, cond=0x55b12f61b198) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f61b198, mutex=0x55b12f61b170) at pthread_cond_wait.c:638
#3  0x00007f9f8ff37b0f in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9f8ff37c01 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9f91c16109 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f9f91c163ad in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f9f8ff319d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 38 (Thread 0x7f9ef7fff700 (LWP 2623)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f86b0ac) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f86b058, cond=0x55b12f86b080) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f86b080, mutex=0x55b12f86b058) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7f9efcff9700 (LWP 2622)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f778684) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f778630, cond=0x55b12f778658) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f778658, mutex=0x55b12f778630) at pthread_cond_wait.c:638
#3  0x00007f9f8ff37b0f in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9f8ff37c01 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9f91c16109 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f9f91c163ad in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f9f8ff319d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7f9efd7fa700 (LWP 2621)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f7bc14c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f7bc0f8, cond=0x55b12f7bc120) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f7bc120, mutex=0x55b12f7bc0f8) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7f9efdffb700 (LWP 2578)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f230458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f230408, cond=0x55b12f230430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f230430, mutex=0x55b12f230408) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7f9efe7fc700 (LWP 2577)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f230458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f230408, cond=0x55b12f230430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f230430, mutex=0x55b12f230408) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7f9efeffd700 (LWP 2576)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f230458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f230408, cond=0x55b12f230430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f230430, mutex=0x55b12f230408) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7f9ef6ffd700 (LWP 2575)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f230458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f230408, cond=0x55b12f230430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f230430, mutex=0x55b12f230408) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7f9eff7fe700 (LWP 2574)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f230458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f230408, cond=0x55b12f230430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f230430, mutex=0x55b12f230408) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7f9efffff700 (LWP 2573)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f230458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f230408, cond=0x55b12f230430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f230430, mutex=0x55b12f230408) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f9f24ff9700 (LWP 2572)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f230458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f230408, cond=0x55b12f230430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f230430, mutex=0x55b12f230408) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f9f257fa700 (LWP 2571)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f230458) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f230408, cond=0x55b12f230430) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f230430, mutex=0x55b12f230408) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f9f25ffb700 (LWP 2570)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f9f267fc700 (LWP 2569)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f9f26ffd700 (LWP 2568)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f9f277fe700 (LWP 2567)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f9f27fff700 (LWP 2566)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f9f44ff9700 (LWP 2565)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f9f457fa700 (LWP 2564)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f9f45ffb700 (LWP 2563)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f9f467fc700 (LWP 2562)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f9f46ffd700 (LWP 2561)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f9f477fe700 (LWP 2560)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f9f47fff700 (LWP 2559)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f9f5cff9700 (LWP 2558)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f9f5d7fa700 (LWP 2557)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f9f5dffb700 (LWP 2556)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f9f5e7fc700 (LWP 2555)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f9f5effd700 (LWP 2554)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f9f5f7fe700 (LWP 2553)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22fd50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22fd00, cond=0x55b12f22fd28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22fd28, mutex=0x55b12f22fd00) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f9f5ffff700 (LWP 2552)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12ed77718) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12ed776c8, cond=0x55b12ed776f0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12ed776f0, mutex=0x55b12ed776c8) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f9f74c88700 (LWP 2551)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12ed77718) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12ed776c8, cond=0x55b12ed776f0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12ed776f0, mutex=0x55b12ed776c8) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f9f75489700 (LWP 2550)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12ed77718) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12ed776c8, cond=0x55b12ed776f0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12ed776f0, mutex=0x55b12ed776c8) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f9f75c8a700 (LWP 2549)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12ed77718) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12ed776c8, cond=0x55b12ed776f0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12ed776f0, mutex=0x55b12ed776c8) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f9f765cc700 (LWP 2548)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b12f22ea4c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b12f22e9f8, cond=0x55b12f22ea20) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b12f22ea20, mutex=0x55b12f22e9f8) at pthread_cond_wait.c:638
#3  0x00007f9f7adff3db in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f9f7adfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f9f896b6700 (LWP 2542)):
#0  0x00007f9f8fbb396f in __GI___poll (fds=0x7f9f800025e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9f8e7da1ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9f8e7da2e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f90151583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9f900f84db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9f8ff30785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9f918a31a9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9f8ff319d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f9f8aa22700 (LWP 2434)):
#0  __GI___clock_gettime (clock_id=1, tp=0x7f9f8aa21ae0) at ../sysdeps/unix/sysv/linux/clock_gettime.c:38
#1  0x00007f9f90150e45 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9f9014f6dd in QTimerInfoList::updateCurrentTime() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f9f9014fcb9 in QTimerInfoList::timerWait(timespec&) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9f901512d6 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9f8e7d972f in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9f8e7da0db in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f9f8e7da2e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f9f90151583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9f900f84db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9f8ff30785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9f91164efa in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#12 0x00007f9f8ff319d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f9f8b646700 (LWP 2405)):
#0  0x00007f9f8fbb396f in __GI___poll (fds=0x7f9f8b645ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9f9201cc1a in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9f9201e90a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9f8be28298 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f9f8ff319d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9f8f3d7609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f8fbc0103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f9f8c4e4280 (LWP 2393)):
[KCrash Handler]
#6  0x00007f9f9180838a in QQmlContextData::destroy() () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9f9170b8c5 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9f91628003 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f9f91628140 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f9f916296f2 in QV4::MemoryManager::~MemoryManager() () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f9f917aea8a in QV4::ExecutionEngine::~ExecutionEngine() () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f9f916ad268 in QJSEngine::~QJSEngine() () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f9f917ee866 in QQmlEngine::~QQmlEngine() () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f9f917ee8ad in QQmlEngine::~QQmlEngine() () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f9f9012301e in QObjectPrivate::deleteChildren() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f9f9012d5ef in QObject::~QObject() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f9f91c6e544 in QQuickWindow::~QQuickWindow() () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f9f92425b0d in PlasmaQuick::ConfigView::~ConfigView() () at /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#19 0x00007f9f90125b74 in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f9f904ed98a in QWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007f9f91c79159 in QQuickWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f9f90b6da66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f9f90b770f0 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f9f900f993a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f9f900fc5b8 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f9f90151f67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f9f8e7d9fbd in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f9f8e7da240 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f9f8e7da2e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f9f90151565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f9f900f84db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f9f90100246 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x000055b12df9fb25 in  ()
#34 0x00007f9f8fac50b3 in __libc_start_main (main=0x55b12df9eea0, argc=1, argv=0x7ffeb8ad5d88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffeb8ad5d78) at ../csu/libc-start.c:308
#35 0x000055b12df9fcde in _start ()
[Inferior 1 (process 2393) detached]

Possible duplicates by query: bug 415831.

Reported using DrKonqi