Bug 219234

Summary:	btusb: regression in rtl8761bu firmware
Product:	Drivers	Reporter:	Alexander Tsoy (alexander)
Component:	Bluetooth	Assignee:	linux-bluetooth (linux-bluetooth)
Status:	RESOLVED INVALID
Severity:	normal
Priority:	P3
Hardware:	All
OS:	Linux
Kernel Version:		Subsystem:
Regression:	No	Bisected commit-id:

Description Alexander Tsoy 2024-09-04 10:45:31 UTC

First of all, sorry if this is incorrect place to report firmware issues.

Since commit [1] communication between rtl8761bu and Xbox Series X controllers is very unstable. There are frequent reconnects that makes the rtl8761bu controller unusable. Reverting mentioned commit fixes this issue.

Xbox Series X controller is tested with several latest BLE firmwares. There are no any errors in the kernel log.

This issue was also reported to xpadneo driver [2]

[1] https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=1de22a39246513ce431de0971a6376093a94c5c1
[2] https://github.com/atar-axis/xpadneo/issues/492

Comment 1 Alexander Tsoy 2024-09-04 10:52:52 UTC

The device in question:
Bus 005 Device 089: ID 0bda:8771 Realtek Semiconductor Corp. Bluetooth Radio

Comment 2 Alexander Tsoy 2024-09-04 13:26:25 UTC

I'll try to submit updated firmware to linux-firmware