Smells like the wl18xx radio ran out of memory...
JTAG on the am335x isn't really going to help you debug that..
Regards,
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Robert Nelson
https://rcn-ee.com/
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Source level debugging of the kernel using CCS and JTAG used to be documented by TI for OMAP 4.before you solder this on I'd make sure you find documents describing Linux source debugging unless your comfortable debugging assembler with a map file. As much as I recommend using JTAG for board bring up I'd have to agree your going to have to use logged outputs. We did this(logged printf) on a gas meter with mesh networking it used a TI mesh Mac we had huge RAM and connections overhead to support the mesh protocol is heavy and unless your a mesh guru your gonna have fun it's not trivial even if you read the spec 😆