this is darktable 3.2.1 reporting a segfault: warning: Currently logging to /tmp/darktable_bt_AG1MU0.txt. Turn the logging off and on to make the new setting effective. #0 0x00007f51a14cc617 in wait4 () at /lib64/libc.so.6 #1 0x00007f51a1701890 in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a143ed90 in () at /lib64/libc.so.6 #3 0x00007f51686c57c9 in () at /usr/lib64/gallium-pipe/pipe_iris.so #4 0x00007f5168352dfa in () at /usr/lib64/gallium-pipe/pipe_iris.so #5 0x00007f5168352b32 in () at /usr/lib64/gallium-pipe/pipe_iris.so #6 0x00007f51682f5dd7 in () at /usr/lib64/gallium-pipe/pipe_iris.so #7 0x00007f518057b49e in () at /usr/lib64/libMesaOpenCL.so.1 #8 0x00007f5180568818 in () at /usr/lib64/libMesaOpenCL.so.1 #9 0x00007f5180576798 in () at /usr/lib64/libMesaOpenCL.so.1 #10 0x00007f518054c3b5 in () at /usr/lib64/libMesaOpenCL.so.1 #11 0x00007f51a199fbfe in () at /lib64/ld-linux-x86-64.so.2 #12 0x00007f51a199fce0 in () at /lib64/ld-linux-x86-64.so.2 #13 0x00007f51a1534e2d in _dl_catch_exception () at /lib64/libc.so.6 #14 0x00007f51a19a3efc in () at /lib64/ld-linux-x86-64.so.2 #15 0x00007f51a1534dd0 in _dl_catch_exception () at /lib64/libc.so.6 #16 0x00007f51a19a379a in () at /lib64/ld-linux-x86-64.so.2 #17 0x00007f519ee79258 in () at /lib64/libdl.so.2 #18 0x00007f51a1534dd0 in _dl_catch_exception () at /lib64/libc.so.6 #19 0x00007f51a1534e8f in _dl_catch_error () at /lib64/libc.so.6 #20 0x00007f519ee79a65 in () at /lib64/libdl.so.2 #21 0x00007f519ee792e4 in dlopen () at /lib64/libdl.so.2 #22 0x00007f51805f4bab in () at /usr/lib64/OpenCL/vendors/nvidia/libOpenCL.so #23 0x00007f51a13f5b5f in __pthread_once_slow () at /lib64/libpthread.so.0 #24 0x00007f51805f63cf in clGetPlatformIDs () at /usr/lib64/OpenCL/vendors/nvidia/libOpenCL.so #25 0x00007f51a16ef0f9 in dt_opencl_init () at /usr/bin/../lib64/darktable/libdarktable.so #26 0x00007f51a1682b8f in dt_init () at /usr/bin/../lib64/darktable/libdarktable.so #27 0x000055dcb6736086 in () #28 0x00007f51a1429d8a in __libc_start_main () at /lib64/libc.so.6 #29 0x000055dcb67360da in () ========= Id Target Id Frame * 1 Thread 0x7f519b88be40 (LWP 7633) "darktable" 0x00007f51a14cc617 in wait4 () from /lib64/libc.so.6 2 Thread 0x7f519b41e640 (LWP 7635) "gmain" 0x00007f51a14f416f in poll () from /lib64/libc.so.6 3 Thread 0x7f519ac1d640 (LWP 7636) "pool" 0x00007f51a14f99c9 in syscall () from /lib64/libc.so.6 4 Thread 0x7f519a41c640 (LWP 7637) "gdbus" 0x00007f51a14f416f in poll () from /lib64/libc.so.6 5 Thread 0x7f519988e640 (LWP 7642) "worker 0" 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 6 Thread 0x7f519908d640 (LWP 7643) "worker 1" 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 7 Thread 0x7f519888c640 (LWP 7644) "worker 2" 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 8 Thread 0x7f5183fff640 (LWP 7645) "worker 3" 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 9 Thread 0x7f51837fe640 (LWP 7646) "worker 4" 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 10 Thread 0x7f5182ffd640 (LWP 7647) "worker 5" 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 11 Thread 0x7f51827fc640 (LWP 7648) "worker 6" 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 12 Thread 0x7f5181ffb640 (LWP 7649) "worker 7" 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 13 Thread 0x7f51817fa640 (LWP 7650) "kicker" 0x00007f51a14c7781 in clock_nanosleep () from /lib64/libc.so.6 14 Thread 0x7f5180ff9640 (LWP 7651) "worker res 0" 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 15 Thread 0x7f516bfff640 (LWP 7652) "worker res 1" 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 16 Thread 0x7f516b7fe640 (LWP 7653) "worker res 2" 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 ========= Thread 16 (Thread 0x7f516b7fe640 (LWP 7653) "worker res 2"): #0 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f51a171112d in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #3 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 15 (Thread 0x7f516bfff640 (LWP 7652) "worker res 1"): #0 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f51a171112d in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #3 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 14 (Thread 0x7f5180ff9640 (LWP 7651) "worker res 0"): #0 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f51a171112d in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #3 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 13 (Thread 0x7f51817fa640 (LWP 7650) "kicker"): #0 0x00007f51a14c7781 in clock_nanosleep () at /lib64/libc.so.6 #1 0x00007f51a14cc853 in nanosleep () at /lib64/libc.so.6 #2 0x00007f51a14cc78a in sleep () at /lib64/libc.so.6 #3 0x00007f51a1710cca in () at /usr/bin/../lib64/darktable/libdarktable.so #4 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #5 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 12 (Thread 0x7f5181ffb640 (LWP 7649) "worker 7"): #0 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f51a1711f46 in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #3 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 11 (Thread 0x7f51827fc640 (LWP 7648) "worker 6"): #0 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f51a1711f46 in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #3 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 10 (Thread 0x7f5182ffd640 (LWP 7647) "worker 5"): #0 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f51a1711f46 in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #3 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 9 (Thread 0x7f51837fe640 (LWP 7646) "worker 4"): #0 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f51a1711f46 in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #3 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 8 (Thread 0x7f5183fff640 (LWP 7645) "worker 3"): #0 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f51a1711f46 in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #3 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 7 (Thread 0x7f519888c640 (LWP 7644) "worker 2"): #0 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f51a1711f46 in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #3 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 6 (Thread 0x7f519908d640 (LWP 7643) "worker 1"): #0 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f51a1711f46 in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #3 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 5 (Thread 0x7f519988e640 (LWP 7642) "worker 0"): #0 0x00007f51a13f4105 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f51a1711f46 in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #3 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 4 (Thread 0x7f519a41c640 (LWP 7637) "gdbus"): #0 0x00007f51a14f416f in poll () at /lib64/libc.so.6 #1 0x00007f51a1185eae in () at /usr/lib64/libglib-2.0.so.0 #2 0x00007f51a118620b in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0 #3 0x00007f51a063f186 in () at /usr/lib64/libgio-2.0.so.0 #4 0x00007f51a11aec1d in () at /usr/lib64/libglib-2.0.so.0 #5 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #6 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 3 (Thread 0x7f519ac1d640 (LWP 7636) "pool"): #0 0x00007f51a14f99c9 in syscall () at /lib64/libc.so.6 #1 0x00007f51a11d6e0c in g_cond_wait_until () at /usr/lib64/libglib-2.0.so.0 #2 0x00007f51a1155581 in () at /usr/lib64/libglib-2.0.so.0 #3 0x00007f51a1155ba2 in g_async_queue_timeout_pop () at /usr/lib64/libglib-2.0.so.0 #4 0x00007f51a11af591 in () at /usr/lib64/libglib-2.0.so.0 #5 0x00007f51a11aec1d in () at /usr/lib64/libglib-2.0.so.0 #6 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #7 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 2 (Thread 0x7f519b41e640 (LWP 7635) "gmain"): #0 0x00007f51a14f416f in poll () at /lib64/libc.so.6 #1 0x00007f51a1185eae in () at /usr/lib64/libglib-2.0.so.0 #2 0x00007f51a1185fcf in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0 #3 0x00007f51a1186021 in () at /usr/lib64/libglib-2.0.so.0 #4 0x00007f51a11aec1d in () at /usr/lib64/libglib-2.0.so.0 #5 0x00007f51a13edf9e in start_thread () at /lib64/libpthread.so.0 #6 0x00007f51a14fee1f in clone () at /lib64/libc.so.6 Thread 1 (Thread 0x7f519b88be40 (LWP 7633) "darktable"): #0 0x00007f51a14cc617 in wait4 () at /lib64/libc.so.6 #1 0x00007f51a1701890 in () at /usr/bin/../lib64/darktable/libdarktable.so #2 0x00007f51a143ed90 in () at /lib64/libc.so.6 #3 0x00007f51686c57c9 in () at /usr/lib64/gallium-pipe/pipe_iris.so #4 0x00007f5168352dfa in () at /usr/lib64/gallium-pipe/pipe_iris.so #5 0x00007f5168352b32 in () at /usr/lib64/gallium-pipe/pipe_iris.so #6 0x00007f51682f5dd7 in () at /usr/lib64/gallium-pipe/pipe_iris.so #7 0x00007f518057b49e in () at /usr/lib64/libMesaOpenCL.so.1 #8 0x00007f5180568818 in () at /usr/lib64/libMesaOpenCL.so.1 #9 0x00007f5180576798 in () at /usr/lib64/libMesaOpenCL.so.1 #10 0x00007f518054c3b5 in () at /usr/lib64/libMesaOpenCL.so.1 #11 0x00007f51a199fbfe in () at /lib64/ld-linux-x86-64.so.2 #12 0x00007f51a199fce0 in () at /lib64/ld-linux-x86-64.so.2 #13 0x00007f51a1534e2d in _dl_catch_exception () at /lib64/libc.so.6 #14 0x00007f51a19a3efc in () at /lib64/ld-linux-x86-64.so.2 #15 0x00007f51a1534dd0 in _dl_catch_exception () at /lib64/libc.so.6 #16 0x00007f51a19a379a in () at /lib64/ld-linux-x86-64.so.2 #17 0x00007f519ee79258 in () at /lib64/libdl.so.2 #18 0x00007f51a1534dd0 in _dl_catch_exception () at /lib64/libc.so.6 #19 0x00007f51a1534e8f in _dl_catch_error () at /lib64/libc.so.6 #20 0x00007f519ee79a65 in () at /lib64/libdl.so.2 #21 0x00007f519ee792e4 in dlopen () at /lib64/libdl.so.2 #22 0x00007f51805f4bab in () at /usr/lib64/OpenCL/vendors/nvidia/libOpenCL.so #23 0x00007f51a13f5b5f in __pthread_once_slow () at /lib64/libpthread.so.0 #24 0x00007f51805f63cf in clGetPlatformIDs () at /usr/lib64/OpenCL/vendors/nvidia/libOpenCL.so #25 0x00007f51a16ef0f9 in dt_opencl_init () at /usr/bin/../lib64/darktable/libdarktable.so #26 0x00007f51a1682b8f in dt_init () at /usr/bin/../lib64/darktable/libdarktable.so #27 0x000055dcb6736086 in () #28 0x00007f51a1429d8a in __libc_start_main () at /lib64/libc.so.6 #29 0x000055dcb67360da in () [Inferior 1 (process 7633) detached]