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>
40 lines
1.0 KiB
Plaintext
40 lines
1.0 KiB
Plaintext
#For battery sensitive usage, can reduce the CPU frequency
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CONFIG_ESP32_DEFAULT_CPU_FREQ_240=y
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CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ=240
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# BT Configuration
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CONFIG_BT_ENABLED=y
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CONFIG_BT_CONTROLLER_ONLY=y
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CONFIG_BT_BLUEDROID_ENABLED=
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CONFIG_BT_LE_SLEEP_ENABLE=y
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# Partition
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CONFIG_PARTITION_TABLE_CUSTOM=y
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CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.esp32s3.csv"
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# Wifi config
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CONFIG_WIFI_CMD_BASIC_ONLY=y
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CONFIG_ESP_WIFI_STATIC_RX_BUFFER_NUM=10
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CONFIG_ESP_WIFI_DYNAMIC_RX_BUFFER_NUM=32
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CONFIG_ESP_WIFI_DYNAMIC_TX_BUFFER_NUM=32
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CONFIG_ESP_WIFI_AMPDU_TX_ENABLED=y
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CONFIG_ESP_WIFI_TX_BA_WIN=32
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CONFIG_ESP_WIFI_AMPDU_RX_ENABLED=y
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CONFIG_ESP_WIFI_RX_BA_WIN=6
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CONFIG_ESP_WIFI_RX_IRAM_OPT=y
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CONFIG_ESP_WIFI_IRAM_OPT=y
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# LWIP config
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CONFIG_LWIP_TCP_SND_BUF_DEFAULT=11520
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CONFIG_LWIP_TCP_WND_DEFAULT=11520
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CONFIG_LWIP_TCP_RECVMBOX_SIZE=16
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CONFIG_LWIP_UDP_RECVMBOX_SIZE=16
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CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=32
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CONFIG_LWIP_TCP_SACK_OUT=y
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CONFIG_LWIP_TCPIP_CORE_LOCKING=y
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CONFIG_LWIP_TCPIP_CORE_LOCKING_INPUT=y
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# Optimizations
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CONFIG_COMPILER_OPTIMIZATION_PERF=y
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