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>
54 lines
1.7 KiB
Plaintext
54 lines
1.7 KiB
Plaintext
# ld-version-script.m4 serial 3
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dnl Copyright (C) 2008-2014 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl From Simon Josefsson
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# FIXME: The test below returns a false positive for mingw
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# cross-compiles, 'local:' statements does not reduce number of
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# exported symbols in a DLL. Use --disable-ld-version-script to work
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# around the problem.
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# gl_LD_VERSION_SCRIPT
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# --------------------
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# Check if LD supports linker scripts, and define automake conditional
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# HAVE_LD_VERSION_SCRIPT if so.
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AC_DEFUN([gl_LD_VERSION_SCRIPT],
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[
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AC_ARG_ENABLE([ld-version-script],
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AS_HELP_STRING([--enable-ld-version-script],
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[enable linker version script (default is enabled when possible)]),
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[have_ld_version_script=$enableval], [])
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if test -z "$have_ld_version_script"; then
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AC_MSG_CHECKING([if LD -Wl,--version-script works])
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save_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"
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cat > conftest.map <<EOF
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foo
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EOF
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AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
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[accepts_syntax_errors=yes], [accepts_syntax_errors=no])
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if test "$accepts_syntax_errors" = no; then
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cat > conftest.map <<EOF
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VERS_1 {
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global: sym;
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};
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VERS_2 {
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global: sym;
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} VERS_1;
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EOF
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AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
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[have_ld_version_script=yes], [have_ld_version_script=no])
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else
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have_ld_version_script=no
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fi
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rm -f conftest.map
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LDFLAGS="$save_LDFLAGS"
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AC_MSG_RESULT($have_ld_version_script)
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fi
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AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
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])
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