From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 29A79269D0C; Thu, 10 Apr 2025 09:53:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744278805; cv=none; b=FgVpJFvf9NQ6OpfxT4BXMpzmL2hOAuyI7XsYliZQmm34f2iTn8g0lcW+IskE32ANCs96GsWl7Ue0g25jY6lMmqEYjW9H6GgOwkBpnIjABmD2BhNPJmEEUe3tBV51A69pZJHfrNaxDOpt0uZQ7vKTr7/9YL12DQx0GEnmZ5ijvjI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744278805; c=relaxed/simple; bh=fSkAnjVVS+AHmWl0ZhB0OpWiIhMLloTvzfi8Nl/MrsM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Vo7rr98vrQYl4+9zA1aVe3r0ywXrzKyFiLmOPfBhdK78UaQnO4ciiCZbDAsgby62QFOXFwP/R3W9WE0v+rEFWSyban+IUhU9yaaL0KDcnKHnOakVY9UWPtV1Z2LD6zlyU7aCD3PaMwIDMaPqRu6SRNatGXbctn2ZzUo31RcX/3I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=0IVZ+hC9; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="0IVZ+hC9" 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> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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> 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