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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 28AF4C369A8 for ; Thu, 10 Apr 2025 11:17:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xII/97dcDQDppFwmTFdjE+lkcwxiBTmdu4aYXUIv9Io=; b=OvrHoY+TJ5hGyTkDjeFCZVZ1m3 q5mhhUffW/PPPBhCtwvKxtj0IvrVaI9vdoF34PGAwYBh3k5FVKXKJdSQMZw9EFvYe8OORbvZmLELD /AUV97wIkUyRIy13f8NfeDfjsl6YvJc3med+bXG0Ci6j6XYrlqu17VmJDJM1ZIUq9B4BHnencYpZB AoW024o+TR3XVsyUBsWu73rtnaYPrw2/1Ge72FVtyaZ5HcuL+8wzf9QmYC3dnQm06EkWdQ9C0ZbaL tzgBEUT/gvHVDYoyGngflkY91iJgFIQVvm62M7nK2g6xP2Yktmq8EwyJqvDJZJ0V7LEztSkhQJtwU KUw7ztxA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2puA-0000000ADUx-1Gkn; Thu, 10 Apr 2025 11:17:10 +0000 Received: from mail11.truemail.it ([2001:4b7e:0:8::81]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2ob5-0000000A0BO-2uwD for linux-arm-kernel@lists.infradead.org; Thu, 10 Apr 2025 09:53:25 +0000 Received: from gaggiata.pivistrello.it (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id CD1AC1F935; Thu, 10 Apr 2025 11:53:20 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1744278800; bh=xII/97dcDQDppFwmTFdjE+lkcwxiBTmdu4aYXUIv9Io=; h=Received:From:To:Subject; b=0IVZ+hC9lH6g+5zA81dvvjZS1vHnx4+NtZC5P3XFpsY4Q3VbUeaeESv/YICRw9kew tDkbf9+jg1Ut5WuIaFG7TpPvuasKCBNenLLE0j7BqU6P4Y0gpDYTPBdnrrS8/RVoYm ANiOYbIV4jPshhk397wbbOMPocE/OgsHzGkM+CP8k3I/qA8zj9D980cZ8Dx3ynTkFg AZd9yWvlQt8ncEajWkXqmKMscNsjU+fO/s2K/jAlRMkfwC9pNFlah/zZKr9I6UkulA Po30uDOQ/ezYkFfBRCYD8z573sbSb3oUtcTQU3sLeowy6Vx6CzNMM7FoLti23iUwRq oCfZuHo6Yl36A== Received: by gaggiata.pivistrello.it (Postfix, from userid 1000) id 56D7D7F976; Thu, 10 Apr 2025 11:53:20 +0200 (CEST) Date: Thu, 10 Apr 2025 11:53:20 +0200 From: Francesco Dolcini To: Paul Menzel Cc: Francesco Dolcini , Vignesh Raghavendra , Amitkumar Karwar , Neeraj Kale , Nishanth Menon , Tero Kristo , Santosh Shilimkar , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-serial@vger.kernel.org Subject: Re: Kernel WARNING (RCU) with btnxpuart on TI AM62 platform Message-ID: References: <20250408083512.GA26035@francesco-nb> <24b28bda-e294-4680-bed5-c44efcb6c455@ti.com> <20250410062006.GA7506@francesco-nb> <4107dda8-25fe-4f30-a0e6-906441f9b4c9@molgen.mpg.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4107dda8-25fe-4f30-a0e6-906441f9b4c9@molgen.mpg.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250410_025323_891255_2485E06F X-CRM114-Status: GOOD ( 12.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Apr 10, 2025 at 08:34:23AM +0200, Paul Menzel wrote: > Am 10.04.25 um 08:20 schrieb Francesco Dolcini: > > > On Tue, Apr 08, 2025 at 09:15:26PM +0530, Vignesh Raghavendra wrote: > > > On 08/04/25 14:05, Francesco Dolcini wrote: > > > > I do have the following kernel warning with 6.15-rc1, on a TI AM62 > > > > platform (arm64), single CPU core, using btnxpuart driver, any idea? > > > > PREEMPT_RT is enabled, if it matters. > > > > > > > > Either the issue is not systematic, or multi cores SoCs are not affected > > > > (no error on the exact same image on a dual nor on quad core TI AM62). ... > CVE-2024-26959 [1] has the same trace, and supposedly was fixed by Marcel’s > commit 664130c0b030 (Bluetooth: btnxpuart: Fix btnxpuart_close) present > since v6.9-rc1, that is also signed off by you. It seems that the conclusion at that time was just wrong, the real issue seems what Vignesh suggested. Francesco