27 lines
1.1 KiB
Markdown
27 lines
1.1 KiB
Markdown
# Wasm3 troubleshooting
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### `Error: [trap] stack overflow`
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Increase the stack size:
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```sh
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wasm3 --stack-size 1000000 file.wasm
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```
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### `Error: missing imported function`
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This means that the runtime doesn't provide a specific function, needed for your module execution.
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You need to implement the required functions, and re-build Wasm3.
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Alternatively, you can use Python to define your environment. Check out [`pywasm3`](https://pypi.org/project/pywasm3/) module.
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**Note:** If this happens with `WASI` functions like `wasi_unstable.*` or `wasi_snapshot_preview1.*`, please report as a bug.
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### `Error: compiling function overran its stack height limit`
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Try increasing `d_m3MaxFunctionStackHeight` in `m3_config.h` and rebuilding Wasm3.
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### `Error: [Fatal] repl_load: unallocated linear memory`
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Your module requires some `Memory`, but doesn't define/export it by itself.
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This happens if module is built by `Emscripten`, or it's a library that is intended to be linked to some other modules.
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Wasm3 currently doesn't support running such modules directly, but you can remove this limitation when embedding Wasm3 into your own app.
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