jpmschweitzerandClaude Fable 5
cb5826e02b
Root cause (verified against our exact IDF tree, not the community guess): the "258" in "sdio_write_task: Failed to send data: 258" is NOT a timeout (that is 263). 258 = 0x102 = ESP_ERR_INVALID_ARG. On the ESP32-P4, block- mode CMD53 writes require the SOURCE buffer to be 64-byte (cache-line) aligned; the IDF sdmmc driver rejects a misaligned source with INVALID_ARG BEFORE any bus activity. esp_hosts write loop then declares "Unrecoverable host sdio state" and reboots the whole P4. The audio TX payload is not 64-aligned, so streaming mic audio wedged on the very FIRST frame (which is exactly what we saw: listening -> instant Failed to send -> reboot). This also explains why buffer/queue/clock/retry tuning all did nothing: the write never reached the bus. And why our symptom was instant, not after ~100 writes (the community block-mode-desync theory) — it is the first misaligned buffer, every time. Fix: vendored esp_hosted 2.12.11 as an editable local component (overrides the registry copy) and bounce a misaligned TX payload through one aligned DMA scratch buffer in hosted_sdio_write_block (port_esp_hosted_host_sdio.c). TX is serialized by the bus lock so a single static bounce buffer is safe; freed in hosted_sdio_deinit. Host-only change — no C6 reflash. VERIFIED ON HARDWARE (autonomous self-test): 40s of continuous mic-audio upstream streaming — the traffic that previously wedged on the first frame — ran clean, zero timeouts, zero reboots. A guarded SDIO_TX_SELFTEST harness is kept (compiled out) for future SDIO stress testing. Credit: root cause + patch designed via multi-agent investigation; the precise 258=INVALID_ARG decode (correcting the upstream community timeout assumption) came from checking our actual esp_err.h. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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469 B
| 1 | #Name,Type,SubType,Offset,Size,Flags |
|---|---|
| 2 | #Note:Firmware partition offset needs to be 64K aligned,initial 36K(9 sectors)are reserved for bootloader and partition table |
| 3 | esp_secure_cert,0x3F,,0xD000,0x2000,encrypted |
| 4 | nvs_key,data,nvs_keys,0xF000,0x1000,encrypted |
| 5 | nvs,data,nvs,0x10000,0x6000, |
| 6 | otadata,data,ota,,0x2000 |
| 7 | phy_init,data,phy,,0x1000, |
| 8 | ota_0,app,ota_0,0x20000,0x1E0000, |
| 9 | ota_1,app,ota_1,0x200000,0x1E0000, |
| 10 | reserved,0x06,,0x3E0000,0x1A000, |
| 11 | fctry,data,nvs,0x3FA000,0x6000 |