Fixing I/O Errors with hcitool lescan on Manjaro скачать в хорошем качестве

Fixing I/O Errors with hcitool lescan on Manjaro

A guide for resolving I/O errors when using hcitool lescan on Manjaro while trying to connect Bluetooth devices. --- This video is based on the question https://stackoverflow.com/q/70777475/ asked by the user 'tymu' ( https://stackoverflow.com/u/15359167/ ) and on the answer https://stackoverflow.com/a/70827228/ provided by the user 'tymu' ( https://stackoverflow.com/u/15359167/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: hcitool lescan returns an I/O error on Manjaro Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- Fixing I/O Errors with hcitool lescan on Manjaro If you’re using a Manjaro system and encounter an I/O error message when attempting to connect your Bluetooth devices, you are not alone. Many users have faced this issue, particularly when trying to connect peripherals like the MX Master 3 mouse on different hardware configurations. Currently, with the details provided, we will explore this problem, understand what might be causing it, and most importantly, how to resolve it effectively. Understanding the Problem The user in question has encountered the following setup: Operating System: Manjaro 21.2.1 Qonos Kernel: x86_64 Linux 5.10.89-1-MANJARO Computer Model: Dell XPS 7390 When running the command sudo hcitool lescan, the user receives the error: [[See Video to Reveal this Text or Code Snippet]] Additionally, running the rfkill command shows that Bluetooth is not blocked, and the hcitool dev command confirms that the Bluetooth adapter is recognized as device hci0. Despite the hardware being recognized, the error persists, preventing the Bluetooth scanning from working. Steps to Troubleshoot The user has already attempted the following actions: Downing and Uping the Bluetooth Interface: [[See Video to Reveal this Text or Code Snippet]] Restarting Services: [[See Video to Reveal this Text or Code Snippet]] These actions are typically effective for resetting Bluetooth connections, yet the problem remained. Solution: Using bluetoothctl The key to resolving the I/O error lies within a different command-line utility, bluetoothctl. This utility provides more granular control over Bluetooth operations. Here’s how to use it: Steps to Follow: Open your terminal. Enter bluetoothctl: [[See Video to Reveal this Text or Code Snippet]] Inside the bluetoothctl interface, execute the following commands in the specific order: [[See Video to Reveal this Text or Code Snippet]] Explanation of Commands: menu scan: This command sets the interface to the scanning menu to prepare for device detection. transport le: This command indicates that you are interested in Low Energy (LE) transport, which is essential for most modern Bluetooth devices. back: Returns to the previous menu. scan on: Initiates scanning for nearby Bluetooth devices. Following these commands successfully resolves the input/output error, allowing you to connect to devices like the MX Master 3 without a hitch. Conclusion Encountering an I/O error with hcitool lescan on Manjaro can be frustrating, but with a clear understanding of Bluetooth management via bluetoothctl, you can effectively address the issue. Always ensure that your system packages are updated and refer to the command sequences provided for a smooth Bluetooth experience. If you have further questions or encounter other issues, feel free to reach out to the community for support. Try the outlined solution and enjoy seamless connectivity with your Bluetooth devices!