# `panic-probe` > Panic handler that exits [`probe-run`] with an error code [`probe-run`]: https://github.com/knurling-rs/probe-run `panic-probe` can optionally log the panic message using the [`defmt`] logging framework. This functionality can be enabled through the `print-defmt` Cargo feature. [`defmt`]: https://github.com/knurling-rs/defmt ## Support `panic-probe` is part of the [Knurling] project, [Ferrous Systems]' effort at improving tooling used to develop for embedded systems. If you think that our work is useful, consider sponsoring it via [GitHub Sponsors]. ## License Licensed under either of - Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0) - MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT) at your option. ### Contribution Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be licensed as above, without any additional terms or conditions. [Knurling]: https://knurling.ferrous-systems.com [Ferrous Systems]: https://ferrous-systems.com/ [GitHub Sponsors]: https://github.com/sponsors/knurling-rs