bt_err(9)

🦋 bt_err(9) from the Kernel API Manual, bestie 🦋

okay so this whole page is about bt_err(9) from the Kernel API Manual, and she is literally here to log Bluetooth error messages. that's the assignment. 💅

✨ NAME ✨

bt_err — log a Bluetooth error message. yes bestie, that's the whole job. 💖

✨ SYNOPSIS ✨

void bt_err (const char *format , ... );

✨ ARGUMENTS ✨

• format — the message's format string. literally the blueprint for the message you're logging. 🎀
• ... — variable arguments. the extra lil besties that go with the format string. ✨

✨ SEE ALSO ✨

Kernel file ./net/bluetooth/lib.c — and the whole friend group:

• baswap(9)
• bt_to_errno(9)
• bt_status(9)
• bt_info(9)
• bt_warn(9)
• bt_dbg(9)
• bt_warn_ratelimited(9)
• bt_err_ratelimited(9)

mwah 💋 — cute lil sign-off: this page is from ./net/bluetooth, dated October 2026, and it's the bt_err(9) manual. periodt. 🫶