edit: gateway is RAK7285C
while looking at something else this floated across the logs:
Tue Aug 27 21:07:03 2024 kern.info kernel: [ 4897.772027] do_page_fault(): sending SIGSEGV to wisdm for invalid write access to 77777da4
Tue Aug 27 21:07:03 2024 kern.info kernel: [ 4897.788491] epc = 77de2e78 in libc.so[77d66000+9c000]
Tue Aug 27 21:07:03 2024 kern.info kernel: [ 4897.798536] ra = 0040cb70 in wisdm[400000+116000]
Tue Aug 27 21:07:03 2024 user.info restify: 127.0.0.1 - - [27/Aug/2024 21:07:03] "GET /diag/syslog HTTP/1.0" 200 -
Tue Aug 27 21:07:05 2024 user.info restify: 127.0.0.1 - - [27/Aug/2024 21:07:05] "GET /diag/syslog HTTP/1.0" 200 -
Tue Aug 27 21:07:05 2024 user.info wisdm[1087]: AWS IoT SDK Version 3.0.1-
Tue Aug 27 21:07:05 2024 user.info wisdm[1087]: WisDM Agent Version 1.2.5
Tue Aug 27 21:07:05 2024 user.info wisdm[1087]: ThingName 9181011E6040521001
Tue Aug 27 21:07:05 2024 user.info wisdm[1087]: Starting WisDM Agent…
the pc is in libc w/o a stack trace. the startup scripts are restarting wisdm so it appears that things are working ok, but it might not be great to loop that way.