I prescreen net bugzilla reports. Begin forwarded message: Date: Fri, 11 Jul 2025 17:53:41 +0000 From: bugzilla-daemon@xxxxxxxxxx To: stephen@xxxxxxxxxxxxxxxxxx Subject: [Bug 220333] New: Bluetooth: hci0: Opcode 0x0c03 failed (-110) on Mediatek MT7961 (ID 3554:fa09) https://bugzilla.kernel.org/show_bug.cgi?id=220333 Bug ID: 220333 Summary: Bluetooth: hci0: Opcode 0x0c03 failed (-110) on Mediatek MT7961 (ID 3554:fa09) Product: Networking Version: 2.5 Hardware: All OS: Linux Status: NEW Severity: normal Priority: P3 Component: Other Assignee: stephen@xxxxxxxxxxxxxxxxxx Reporter: igornvrd@xxxxxxxxx Regression: No Created attachment 308370 --> https://bugzilla.kernel.org/attachment.cgi?id=308370&action=edit All logs related to my device and bluetooth Description: - Device: Mediatek MT7961 (USB ID 3554:fa09) - Kernel: 6.14.0-23-generic - Error: "Bluetooth: hci0: Opcode 0x0c03 failed: -110" (ETIMEDOUT) - Firmware in use: BT_RAM_CODE_MT7961_1_2_hdr.bin Steps to reproduce: 1. Boot Linux with kernel 6.14. 2. Run `bluetoothctl` → "No default controller available". 3. Check dmesg: timeout error (-110) on HCI command. What was tried (without success): - Disabled USB autosuspend (`btusb enable_autosuspend=0`). - Enabled debug mode (`btusb debug=1`). - Verified firmware is present in /lib/firmware/mediatek/. - Works on Windows (same hardware). Additional info: - Full logs and hardware details are attached. - This may be a missing driver/firmware issue for Mediatek MT7961. - I have no Idea what I am doing :) -- You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.
