[Bug 221754] New: RTL8852BE Bluetooth (0bda:b853) fails to init: Opcode 0xfcf0 failed: -16, hci0 never registers with mgmt (BD Address 00:00:00:00:00:00)

[Bug 221754] New: RTL8852BE Bluetooth (0bda:b853) fails to init: Opcode 0xfcf0 failed: -16, hci0 never registers with mgmt (BD Address 00:00:00:00:00:00)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=221754

            Bug ID: 221754
           Summary: RTL8852BE Bluetooth (0bda:b853) fails to init: Opcode
                    0xfcf0 failed: -16, hci0 never registers with mgmt (BD
                    Address 00:00:00:00:00:00)
           Product: Drivers
           Version: 2.5
          Hardware: AMD
                OS: Linux
            Status: NEW
          Severity: blocking
          Priority: P3
         Component: Bluetooth
          Assignee: linux-bluetooth@vger.kernel.org
          Reporter: serge.brun@gmail.com
        Regression: No

Full bug report for Realtek RTL8852BE internal Bluetooth failing to initialize
on
Lenovo IdeaPad Pro 5 14AGP11 (Ubuntu 26.04, kernel 7.0.0-27-generic). Includes
dmesg output, hciconfig/btmgmt/rfkill output, and a list of all troubleshooting
steps already attempted (driver reload, USB rebind, firmware replacement, DKMS
rebuild, manual BD address assignment) — all reproducing the identical
Opcode 0xfcf0 / -EBUSY failure.

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[Bug 221754] RTL8852BE Bluetooth (0bda:b853) fails to init: Opcode 0xfcf0 failed: -16, hci0 never registers with mgmt (BD Address 00:00:00:00:00:00)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=221754

--- Comment #1 from serge.brun@gmail.com ---
Created attachment 310453
  --> https://bugzilla.kernel.org/attachment.cgi?id=310453&action=edit
rtl8852be-bluetooth-bug-report.md

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