debian's 18.3.0
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007ffff187989c in sys_futex (val3=-1, addr2=0x0, timeout=0x0, val1=2, op=9, addr1=0x555555955e38) at ../src/util/futex.h:50
#2 futex_wait (timeout=0x0, value=2, addr=0x555555955e38) at ../src/util/futex.h:50
#3 do_futex_fence_wait (fence=fence@entry=0x555555955e38, timeout=timeout@entry=false, abs_timeout=abs_timeout@entry=0) at ../src/util/u_queue.c:115
#4 0x00007ffff187a019 in _util_queue_fence_wait (fence=fence@entry=0x555555955e38) at ../src/util/u_queue.c:130
#5 0x00007ffff1761c09 in util_queue_fence_wait (fence=0x555555955e38) at ../src/util/u_queue.h:161
#6 si_bind_compute_state (ctx=0x5555559078b0, state=0x555555955e20) at ../src/gallium/drivers/radeonsi/si_compute.c:277
#7 0x00007ffff1764130 in si_compute_do_clear_or_copy (sctx=sctx@entry=0x5555559078b0, dst=dst@entry=0x55555595fc40, dst_offset=dst_offset@entry=0, src=src@entry=0x0, src_offset=src_offset@entry=0, size=size@entry=16, clear_value=0x7fffffffddf0, clear_value_size=4,
coher=SI_COHERENCY_SHADER) at ../src/gallium/drivers/radeonsi/si_compute_blit.c:131
#8 0x00007ffff17644ad in si_clear_buffer (sctx=sctx@entry=0x5555559078b0, dst=0x55555595fc40, offset=offset@entry=0, size=16, clear_value=clear_value@entry=0x7fffffffddf0, clear_value_size=clear_value_size@entry=4, coher=SI_COHERENCY_SHADER)
at ../src/gallium/drivers/radeonsi/si_compute_blit.c:217
#9 0x00007ffff1728ef4 in si_create_context (screen=screen@entry=0x5555557cb620, flags=flags@entry=0) at ../src/gallium/drivers/radeonsi/si_pipe.c:623
#10 0x00007ffff1729881 in radeonsi_screen_create (ws=<optimized out>, config=<optimized out>) at ../src/gallium/drivers/radeonsi/si_pipe.c:1121
#11 0x00007ffff17a7289 in amdgpu_winsys_create (fd=fd@entry=4, config=config@entry=0x7fffffffdf90, screen_create=screen_create@entry=0x7ffff1729290 <radeonsi_screen_create>) at ../src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c:357
#12 0x00007ffff16912d8 in create_screen (fd=4, config=0x7fffffffdf90) at ../src/gallium/targets/pipe-loader/pipe_radeonsi.c:15
#13 0x00007ffff6c23e08 in pipe_loader_create_screen (dev=0x5555557bd380) at ../src/gallium/auxiliary/pipe-loader/pipe_loader.c:137
#14 0x00007ffff6c139bc in clover::device::device(clover::platform&, pipe_loader_device*) () at ../src/gallium/state_trackers/clover/core/device.cpp:47
#15 0x00007ffff6c1e2b6 in clover::create<clover::device, clover::platform&, pipe_loader_device*&> () at ../src/gallium/state_trackers/clover/util/pointer.hpp:229
#16 clover::platform::platform() () at ../src/gallium/state_trackers/clover/core/platform.cpp:36
#17 0x00007ffff6bf3c56 in __static_initialization_and_destruction_0 (__initialize_p=1, __priority=65535) at ../src/gallium/state_trackers/clover/api/platform.cpp:141
#18 _GLOBAL__sub_I_platform.cpp(void) () at ../src/gallium/state_trackers/clover/api/platform.cpp:141
#19 0x00007ffff7fe439a in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x7fffffffe838, env=env@entry=0x7fffffffe848) at dl-init.c:72
#20 0x00007ffff7fe4496 in call_init (env=0x7fffffffe848, argv=0x7fffffffe838, argc=1, l=<optimized out>) at dl-init.c:30
#21 _dl_init (main_map=main_map@entry=0x555555776970, argc=1, argv=0x7fffffffe838, env=0x7fffffffe848) at dl-init.c:119
#22 0x00007ffff7fe8303 in dl_open_worker (a=a@entry=0x7fffffffe350) at dl-open.c:517
#23 0x00007ffff7ee4fcf in __GI__dl_catch_exception (exception=<optimized out>, operate=<optimized out>, args=<optimized out>) at dl-error-skeleton.c:196
#24 0x00007ffff7fe7bea in _dl_open (file=0x555555777940 "libMesaOpenCL.so.1", mode=-2147483647, caller_dlopen=0x7ffff7f7b7e0, nsid=<optimized out>, argc=1, argv=0x7fffffffe838, env=0x7fffffffe848) at dl-open.c:599
#25 0x00007ffff7f72256 in dlopen_doit (a=a@entry=0x7fffffffe570) at dlopen.c:66
#26 0x00007ffff7ee4fcf in __GI__dl_catch_exception (exception=exception@entry=0x7fffffffe510, operate=<optimized out>, args=<optimized out>) at dl-error-skeleton.c:196
#27 0x00007ffff7ee505f in __GI__dl_catch_error (objname=0x7ffff7f750f0 <last_result+16>, errstring=0x7ffff7f750f8 <last_result+24>, mallocedp=0x7ffff7f750e8 <last_result+8>, operate=<optimized out>, args=<optimized out>) at dl-error-skeleton.c:215
#28 0x00007ffff7f72975 in _dlerror_run (operate=operate@entry=0x7ffff7f72200 <dlopen_doit>, args=args@entry=0x7fffffffe570) at dlerror.c:163
#29 0x00007ffff7f722e6 in __dlopen (file=<optimized out>, mode=<optimized out>) at dlopen.c:87
#30 0x00007ffff7f7b7e0 in ?? () from /usr/lib/x86_64-linux-gnu/libOpenCL.so.1
#31 0x00007ffff7f7c4e3 in clGetPlatformIDs () from /usr/lib/x86_64-linux-gnu/libOpenCL.so.1
#32 0x0000555555559f22 in ?? ()
#33 0x00007ffff7dd409b in __libc_start_main (main=0x555555559dd0, argc=1, argv=0x7fffffffe838, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe828) at ../csu/libc-start.c:308
#34 0x000055555555a33a in ?? ()