Jeff, thanks.
from 1:
(lldb) process attach --pid 95083
Process 95083 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
frame #0: 0x00000001bde25628 libsystem_kernel.dylib`close + 8
libsystem_kernel.dylib`close:
-> 0x1bde25628 <+8>: b.lo 0x1bde25648 ; <+40>
0x1bde2562c <+12>: pacibsp
0x1bde25630 <+16>: stp x29, x30, [sp, #-0x10]!
0x1bde25634 <+20>: mov x29, sp
Target 0: (orterun) stopped.
Executable module set to "/usr/local/bin/orterun".
Architecture set to: arm64e-apple-macosx-.
(lldb) thread backtrace
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
* frame #0: 0x00000001bde25628 libsystem_kernel.dylib`close + 8
frame #1: 0x0000000101563074
mca_odls_default.so`do_child(cd=0x0000600001e28000, write_fd=40) at
odls_default_module.c:410:17
frame #2: 0x0000000101562d7c
mca_odls_default.so`odls_default_fork_local_proc(cdptr=0x0000600001e28000)
at odls_default_module.c:646:9
frame #3: 0x0000000100e2c6f8
libopen-rte.40.dylib`orte_odls_base_spawn_proc(fd=-1, sd=4,
cbdata=0x0000600001e28000) at odls_base_default_fns.c:1046:31
frame #4: 0x00000001011827a0
libopen-pal.40.dylib`opal_libevent2022_event_base_loop [inlined]
event_process_active_single_queue(base=0x000000010df069d0) at event.c:1370:4
[opt]
frame #5: 0x0000000101182628
libopen-pal.40.dylib`opal_libevent2022_event_base_loop [inlined]
event_process_active(base=0x000000010df069d0) at event.c:1440:8 [opt]
frame #6: 0x00000001011825ec
libopen-pal.40.dylib`opal_libevent2022_event_base_loop(base=0x000000010df069d0,
flags=<unavailable>) at event.c:1644:12 [opt]
frame #7: 0x0000000100bbfb04 orterun`orterun(argc=4,
argv=0x000000016f2432f8) at orterun.c:179:9
frame #8: 0x0000000100bbf904 orterun`main(argc=4,
argv=0x000000016f2432f8) at main.c:13:12
frame #9: 0x0000000100f19088 dyld`start + 516
from 2:
scottsayres@scotts-mbp ~ % lldb -p 95082
(lldb) process attach --pid 95082
Process 95082 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
frame #0: 0x00000001bde25654 libsystem_kernel.dylib`read + 8
libsystem_kernel.dylib`read:
-> 0x1bde25654 <+8>: b.lo 0x1bde25674 ; <+40>
0x1bde25658 <+12>: pacibsp
0x1bde2565c <+16>: stp x29, x30, [sp, #-0x10]!
0x1bde25660 <+20>: mov x29, sp
Target 0: (orterun) stopped.
Executable module set to "/usr/local/bin/orterun".
Architecture set to: arm64e-apple-macosx-.
(lldb) thread backtrace
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
* frame #0: 0x00000001bde25654 libsystem_kernel.dylib`read + 8
frame #1: 0x000000010116969c libopen-pal.40.dylib`opal_fd_read(fd=22,
len=20, buffer=0x000000016f24299c) at fd.c:51:14
frame #2: 0x0000000101563388
mca_odls_default.so`do_parent(cd=0x0000600001e28200, read_fd=22) at
odls_default_module.c:495:14
frame #3: 0x0000000101562d90
mca_odls_default.so`odls_default_fork_local_proc(cdptr=0x0000600001e28200)
at odls_default_module.c:651:12
frame #4: 0x0000000100e2c6f8
libopen-rte.40.dylib`orte_odls_base_spawn_proc(fd=-1, sd=4,
cbdata=0x0000600001e28200) at odls_base_default_fns.c:1046:31
frame #5: 0x00000001011827a0
libopen-pal.40.dylib`opal_libevent2022_event_base_loop [inlined]
event_process_active_single_queue(base=0x000000010df069d0) at event.c:1370:4
[opt]
frame #6: 0x0000000101182628
libopen-pal.40.dylib`opal_libevent2022_event_base_loop [inlined]
event_process_active(base=0x000000010df069d0) at event.c:1440:8 [opt]
frame #7: 0x00000001011825ec
libopen-pal.40.dylib`opal_libevent2022_event_base_loop(base=0x000000010df069d0,
flags=<unavailable>) at event.c:1644:12 [opt]
frame #8: 0x0000000100bbfb04 orterun`orterun(argc=4,
argv=0x000000016f2432f8) at orterun.c:179:9
frame #9: 0x0000000100bbf904 orterun`main(argc=4,
argv=0x000000016f2432f8) at main.c:13:12
frame #10: 0x0000000100f19088 dyld`start + 516
