The error occurs because your Bluetooth adapter's USB ID is not recognized by the btusb driver.
Quick Fixes: Check Device ID: Run lsusb to find your adapter's vendor and product ID. Update Driver: Update your OS or manually add the USB ID to the btusb.c file and rebuild the driver. Install Firmware: Ensure required firmware files are in /lib/firmware/. Inspect Logs: Use dmesg | grep bluetooth to gather more details. Seek Support: Contact the manufacturer or refer to forums for specific patches. For organized documentation or technical resources, explore https://webspacekit.net/. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2094969 Title: bluetooth/detect-output failed due to the lack of USB device id in btusb.c Status in HWE Next: New Status in linux package in Ubuntu: New Status in linux-oem-6.11 package in Ubuntu: New Status in linux source package in Noble: Invalid Status in linux-oem-6.11 source package in Noble: In Progress Bug description: [Impact] BT hardware is not available on certain machines: 1. Machine with MT7925 BT (USB VID/PID 13d3/3628) 2. Machine with MT7925 BT (USB VID/PID 0489/e14e) [Fix] Add USB device IDs into device table in btusb.c fixes the issue. 1. For VID/PID 13d3/3628, the patch has already been merged into linux-next: f597b8982d51 Bluetooth: btusb: Add new VID/PID 13d3/3628 for MT7925 2. For VID/PID 0489/e14e, the patch is still under review. Out of the urgency, we're going to make a SAUCE patch first. [Test Plan] 1. Install Ubuntu image and boot into the OS 2. Run $ sudo checkbox-cli run com.canonical.certification::bluetooth/detect-output and see if the test is passed [Where problems could occur] The two BT hardware may have not yet been matured, so there might be issues in the future. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2094969/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp