Re: [PATCH] Bluetooth: btusb: limit RTL8761B BROKEN_EXT_SCAN quirk to 0bda:a728

[email protected] Mon, 24 Aug 2026 16:50:08 +0000

Newsgroups	dev.linux.lists.regressions,org.kernel.vger.linux-bluetooth,org.kernel.vger.linux-kernel,org.kernel.vger.stable
Message-ID	<178759020863.3014491.13354284194463299863.git-patchwork-notify@kernel.org>

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <[email protected]>:

On Mon, 24 Aug 2026 13:32:27 +0800 you wrote:
> Commit 5ead2063611a ("Bluetooth: btrtl: fix RTL8761B/BU broken LE
> extended scan") set HCI_QUIRK_BROKEN_EXT_SCAN for every CHIP_ID_8761B
> device to cure repeated 0x2042 failures on an 0bda:a728 dongle. The
> brokenness is per-dongle, not per-chip: on a TP-Link UB500 (2357:0604,
> RTL8761BU, fw 0xdfc6d922) extended scan works, and the legacy scan
> path the quirk forces is what is broken -- LE Set Scan Enable (0x200c)
> times out with -110 about 30 s after firmware load, btusb resets the
> device, and the adapter re-enumerates in an endless loop (382 firmware
> reloads in one boot). 7.1.8, which predates the stable backport, runs
> clean on this unit; 7.1.9 loops.
> 
> [...]

Here is the summary with links:
  - Bluetooth: btusb: limit RTL8761B BROKEN_EXT_SCAN quirk to 0bda:a728
    https://git.kernel.org/bluetooth/bluetooth-next/c/0c9d2588a514

You are awesome, thank you!
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