From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D0A9C4332F for ; Tue, 14 Nov 2023 07:00:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232021AbjKNHAJ (ORCPT ); Tue, 14 Nov 2023 02:00:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229580AbjKNHAI (ORCPT ); Tue, 14 Nov 2023 02:00:08 -0500 Received: from mail.marcansoft.com (marcansoft.com [212.63.210.85]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 42322D43 for ; Mon, 13 Nov 2023 23:00:03 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: marcan@marcan.st) by mail.marcansoft.com (Postfix) with ESMTPSA id B8AAF41F75; Tue, 14 Nov 2023 06:59:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=marcan.st; s=default; t=1699945200; bh=QFda20ZkGQv23urtjlXxGti8E4jjdJdG88PRBb+IHmA=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=P10myidcp8XUSwKDBWQgwOxvIJlc48tXjteqCM9jtN37zv7eMGr9+WhncMNETJXLC 3j8LRRqaBn23vn2hOXeNLYfmQDrCRTjAyMie98S45oH4CzsIihUsO0GjTFBsdQf9cC fKLyJDx+JI8tS1Y/+Zby9CNL+XvVEBfstBZ474RQDDatogbMuoiAfVuf+G6tcwtxoS umlkqHt6MwegQ1oBwA7xd/fbC0nKrkI5MGkFaJBa4mKdEG9nyveIzuNpsVEw5f9jxw u6K5ipzjcKuaEW9GCdCElRXEgnp+FO2FjzyXT+mOma6KAmsY40fnzHBjx6s9dvsxPv KhbRHoHF/EjKA== Message-ID: <88fcc70e-9f4b-eeb9-d826-03fa4c40e7c3@marcan.st> Date: Tue, 14 Nov 2023 15:59:53 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [REGRESSION] Bluetooth is not working on Macs with BCM4377 chip starting from kernel 6.5 To: Aditya Garg , Bagas Sanjaya Cc: Sven Peter , Alyssa Rosenzweig , Marcel Holtmann , Johan Hedberg , Luiz Augusto von Dentz , Orlando Chamberlain , Kerem Karabay , Aun-Ali Zaidi , Asahi Linux Mailing List , Linux Kernel Mailing List , Linux Bluetooth References: <22582194-DE99-45E5-ABEE-C1C7900DA523@live.com> Content-Language: en-US From: Hector Martin In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14/11/2023 15.23, Aditya Garg wrote: > > >> On 14-Nov-2023, at 5:01 AM, Bagas Sanjaya wrote: >> >> On Mon, Nov 13, 2023 at 08:57:35PM +0000, Aditya Garg wrote: >>> Starting from kernel 6.5, a regression in the kernel is causing Bluetooth to not work on T2 Macs with BCM4377 chip. >>> >>> Journalctl of kernel 6.4.8 which has Bluetooth working is given here: https://pastebin.com/u9U3kbFJ >>> >>> Journalctl of kernel 6.5.2, which has Bluetooth broken is given here: https://pastebin.com/aVHNFMRs >>> >>> Also, the bug hasn’t been fixed even in 6.6.1, as reported by users. >> >> Can you bisect this regression please? > > Since I don't have access to this hardware, it's not possible for me to bisect this regression. Let's hope someone is able to do so though. It's not a regression, it was always broken. I'm sending a patch. - Hector