Thread 9 (Thread 0x7fffcffff700 (LWP 4821)):
#0  0x00007ffff694838d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ffff3279fbc in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007ffff3279ec8 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007ffff694208a in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007ffff754c42f in clone () from /usr/lib/libc.so.6

Thread 8 (Thread 0x7fffe4ff5700 (LWP 4820)):
#0  0x00007ffff694838d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ffff3279fbc in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007ffff3279ec8 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007ffff694208a in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007ffff754c42f in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7fffe57f6700 (LWP 4819)):
#0  0x00007ffff694838d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ffff3279fbc in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007ffff3279ec8 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007ffff694208a in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007ffff754c42f in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7fffe5ff7700 (LWP 4818)):
#0  0x00007ffff694838d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ffff3279fbc in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007ffff3279ec8 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007ffff694208a in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007ffff754c42f in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7fffe67f8700 (LWP 4817)):
#0  0x00007ffff694838d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ffff3279fbc in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007ffff3279ec8 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007ffff694208a in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007ffff754c42f in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7fffe6ff9700 (LWP 4816)):
#0  0x00007ffff694838d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ffff3279fbc in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007ffff3279ec8 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007ffff694208a in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007ffff754c42f in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7fffe77fa700 (LWP 4815)):
#0  0x00007ffff694838d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ffff3279fbc in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007ffff3279ec8 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007ffff694208a in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007ffff754c42f in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7fffed7e7700 (LWP 4814)):
#0  0x00007ffff694838d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ffff3279fbc in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007ffff3279ec8 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007ffff694208a in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007ffff754c42f in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7ffff7fc9580 (LWP 4810)):
#0  0x00007ffff7546e29 in syscall () from /usr/lib/libc.so.6
#1  0x00007ffff5234c6d in xshmfence_await () from /usr/lib/libxshmfence.so.1
#2  0x00007ffff60e4d8d in ?? () from /usr/lib/libGLX_mesa.so.0
#3  0x00007ffff60e5add in ?? () from /usr/lib/libGLX_mesa.so.0
#4  0x00007ffff3318446 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#5  0x00007ffff33138dc in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#6  0x00007ffff31b4f19 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#7  0x00007ffff31b6431 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#8  0x00007ffff3313356 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#9  0x00007ffff33121c6 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#10 0x00007ffff60dec69 in ?? () from /usr/lib/libGLX_mesa.so.0
#11 0x00007ffff60b159b in ?? () from /usr/lib/libGLX_mesa.so.0
#12 0x00007ffff7227e6d in ?? () from /usr/lib/libGLX.so.0
#13 0x00007ffff7228895 in ?? () from /usr/lib/libGLX.so.0
#14 0x00007ffff7229ed6 in ?? () from /usr/lib/libGLX.so.0
#15 0x0000555555558645 in ?? ()
#16 0x0000555555556a18 in ?? ()
#17 0x00007ffff7476f4a in __libc_start_main () from /usr/lib/libc.so.6
#18 0x00005555555571aa in ?? ()