Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007ffc92768fe4 in malloc () from /usr/lib64/libc.so.6 [Current thread is 1 (Thread 0x7ffc92aa35e0 (LWP 3850940))] (gdb) bt #0 0x00007ffc92768fe4 in malloc () from /usr/lib64/libc.so.6 #1 0x00000004849e49b4 in bind_process_and_migrate_memory (p=p@entry=0x4929d8960) at numad.c:993 #2 0x00000004849e8e48 in manage_loads () at numad.c:2230 #3 0x00000004849ea080 in main (argc=<optimized out>, argv=<optimized out>) at numad.c:2659 (gdb) bt full #0 0x00007ffc92768fe4 in malloc () from /usr/lib64/libc.so.6 No symbol table info available. #1 0x00000004849e49b4 in bind_process_and_migrate_memory (p=p@entry=0x4929d8960) at numad.c:993 t0 = 11941151 cpu_bind_list_p = 0x0 nodes = <optimized out> node_id = <optimized out> fname = "\240\002\234\222", '\000' <repeats 12 times>, "\240\002\234\222\004\000\000\000\020nj\300\377\177\000\000\001\000\000\000\000\000\000\000\060nj\300\377\177\000\000hnj\300\377\177\000\000I\000\000\000\000\000\000\000\000r\216\222\374\177\000\000@nj\300\377\177\000\000\235\261\236\204\004\000\000\000\001\000\000\000\000\000\000\000\005\000\000\000\000\000\000\000X͌\300\377\177\000\000\r\000\000\000\000\000\000\000\060͌\300\377\177\000\000\000\000\000\000\000\000\000\000p\317q\222\374\177\000\000\000r\216\222\374\177\000\000\370#\236\204\004\000\000\000\000\177\240\204\004\000\000\000\375\354\304c\000\000\000\000Sun Jan 15 22:21" namelist = 0x7ffc9274576c <_IO_do_write+60> num_tasks = <optimized out> dest_mask = 0x0 from_mask = 0x0 allocated_bytes_in_masks = 0 num_bytes_in_masks = <optimized out> prev_from_node_id = <optimized out> #2 0x00000004849e8e48 in manage_loads () at numad.c:2230 mem_target_utilization = <optimized out> thread_limit = <optimized out> p = 0x4929d8960 cpu_target_utilization = <optimized out> mb_request = 783243 cpu_request = 2000 assume_enough_cpus = <optimized out> node_list_p = <optimized out> ix = 0 --Type <RET> for more, q to quit, c to continue without paging-- time_stamp = 11941150 pindex_size = 64 pindex = 0x4929cd680 nprocs = 1 sum_CPUs_used = 12281454110325929 num_unbound = <optimized out> #3 0x00000004849ea080 in main (argc=<optimized out>, argv=<optimized out>) at numad.c:2659 interval = 15 nodes = 2 sid = <optimized out> sa = {__sigaction_handler = {sa_handler = 0x4849e215c <sig_handler>, sa_sigaction = 0x4849e215c <sig_handler>}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0} attr = {__size = '\000' <repeats 18 times>, "\001", '\000' <repeats 36 times>, __align = 0} tid = 140722764968224 opt = <optimized out> C_flag = 0 d_flag = <optimized out> H_flag = 0 i_flag = 1 K_flag = 0 l_flag = 0 m_flag = 0 p_flag = 0 r_flag = 0 S_flag = 0 t_flag = 0 u_flag = 0 v_flag = 0 w_flag = 0 x_flag = 0 tmp_int = <optimized out> list_pid = <optimized out> daemon_pid = <optimized out> (gdb) probably related to numad-0.5-fix-sparse-node-ids.patch or I managed to catch scenario this patch does not cover.