mudler/LocalAI · error

3

3

Error message

[qwen3-tts-cpp] FATAL: qt_init failed: %s\n

What it means

qt_init failed to initialize the qwen3-tts engine. Guard: verify the model files exist and match the expected format before init; surface the library error string in the LoadModel response.

Source

Thrown at backend/go/qwen3-tts-cpp/cpp/goqwen3ttscpp.cpp:53

    }
    if (!codec_path || codec_path[0] == '\0') {
        fprintf(stderr, "[qwen3-tts-cpp] ERROR: codec_path is required\n");
        return 2;
    }

    qt_init_params p;
    qt_init_default_params(&p);
    p.talker_path = talker_path;
    p.codec_path = codec_path;
    p.use_fa = use_fa != 0;
    p.clamp_fp16 = clamp_fp16 != 0;

    fprintf(stderr, "[qwen3-tts-cpp] Loading talker=%s codec=%s\n", talker_path,
            codec_path);

    g_ctx = qt_init(&p);
    if (!g_ctx) {
        fprintf(stderr, "[qwen3-tts-cpp] FATAL: qt_init failed: %s\n",
                qt_last_error());
        return 3;
    }
    fprintf(stderr, "[qwen3-tts-cpp] Model loaded (%s)\n", qt_version());
    return 0;
}

// Fill a qt_tts_params from the flat wrapper arguments. Unset/zero scalars keep
// the qt defaults (temperature 0.9, top_k 50, top_p 1.0, rep 1.05, max 2048).
static void fill_params(qt_tts_params *tp, const char *text, const char *lang,
                        const char *instruct, const char *speaker,
                        const float *ref_samples, int ref_n,
                        const char *ref_text, long long seed, float temperature,
                        int top_k, float top_p, float repetition_penalty,
                        int max_new_tokens) {
    qt_tts_default_params(tp);
    tp->text = text ? text : "";
    if (lang && lang[0] != '\0')

View on GitHub (pinned to 44413a9d06)

Solutions

1. Read the error detail in the message to see why qt_init failed.
2. Verify the talker and codec model files are valid GGUF/model files compatible with the qwen3-tts library.
3. Check that required native libraries are installed and loadable.

When it happens

Trigger: Thrown at backend/go/qwen3-tts-cpp/cpp/goqwen3ttscpp.cpp:53 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of mudler/LocalAI@44413a9d06 (2026-08-15). Data as JSON: /api/errors/6eb1861f4d3b2262. Report an issue: GitHub.