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Ben MeadorsandClaude Fable 5 252bdbc5df docs(usbnet): handoff update - crash root-caused, coredump recipe that works
The 4403-session crash is fixed and hardware-verified, so the handoff now
records the full causal chain (missing BOARD_HAS_PSRAM -> PSRAM never in
heap -> bad_alloc abort in the connect-time manifest walk) instead of an
open bug. The coredump section becomes the recipe that actually worked,
including the discovery that a panic reboot leaves the USB pads with the
OTG controller - there is no USB-Serial-JTAG window to race after a crash;
only a power-on reset or BOOT+RST brings the port back. New traps: the
Kconfig choice-collision that silently discards coredump config, Homebrew's
pio 6.1.18 uninstalling the platform, and BOARD_HAS_PSRAM being mandatory
on PSRAM boards. The cross-core tud_network_can_xmit() theory moves to
ruled-out-as-the-crash but stays in the backlog as a real threading-contract
violation with a proposed one-line fix.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-06 15:24:10 -05:00
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2026-07-01 19:01:27 -05:00