#0  test_and_set_bit (nr=0, addr=0x7f105bf17000) at rtapi/rtapi_bitops.h:48
#1  rtapi_mutex_get (mutex=0x7f105bf17000) at rtapi/rtapi_mutex.h:69
#2  rtapi_init (modname=modname@entry=0x7ffe03ef8688 "HAL_LIB_31542") at ./rtapi/uspace_common.h:309
#3  0x00007f105b8e45c7 in hal_init (name=<optimized out>, name@entry=0x611480 <comp_name> "halcmd31542") at hal/hal_lib.c:193
#4  0x00000000004033f5 in hal_systemv_nowait (argv=0x7ffe03ef8778) at hal/utils/halcmd.c:230
#5  0x00000000004071f6 in do_loadusr_cmd (args=0x7ffe03ef88e0) at hal/utils/halcmd_commands.c:1470
#6  0x0000000000407506 in do_loadrt_cmd (mod_name=0x610b77 <cmd_buf+7> "sampler", args=0x7ffe03ef8e88) at hal/utils/halcmd_commands.c:1077
#7  0x00000000004037e5 in parse_cmd1 (argv=0x7ffe03ef8e78) at hal/utils/halcmd.c:398
#8  halcmd_parse_cmd (tokens=tokens@entry=0x7ffe03ef8e78) at hal/utils/halcmd.c:457
#9  0x0000000000402bb1 in main (argc=<optimized out>, argv=<optimized out>) at hal/utils/halcmd_main.c:268