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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D22D0C33C9E for ; Thu, 30 Jan 2020 10:47:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ADDF9206D3 for ; Thu, 30 Jan 2020 10:47:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726885AbgA3Kr6 (ORCPT ); Thu, 30 Jan 2020 05:47:58 -0500 Received: from relay4-d.mail.gandi.net ([217.70.183.196]:45373 "EHLO relay4-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726873AbgA3Kr6 (ORCPT ); Thu, 30 Jan 2020 05:47:58 -0500 X-Originating-IP: 90.65.102.129 Received: from localhost (lfbn-lyo-1-1670-129.w90-65.abo.wanadoo.fr [90.65.102.129]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id 610DCE0006; Thu, 30 Jan 2020 10:47:56 +0000 (UTC) Date: Thu, 30 Jan 2020 11:47:56 +0100 From: Alexandre Belloni To: JH Cc: linux-rtc@vger.kernel.org Subject: Re: rtc rtc0: Timeout trying to get valid LPSRT Counter read Message-ID: <20200130104756.GC3583@piout.net> References: <20200112110353.GC1253990@piout.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org On 30/01/2020 13:36:26+1100, JH wrote: > Hi Alexandre, > > Thanks for your response. > > On 1/12/20, Alexandre Belloni wrote: > > Hi, > > > > On 02/01/2020 19:40:10+1100, JH wrote: > >> Hi, > >> > >> I am running kernel 4.19 on imx6, could anyone help for clues what > >> that error is about? What I could be missing and how to fix it? > >> > > > > I'd say that you have an issue with the 32k clock or tamper detection, > > have a look at this commit: > > > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cd7f3a249dbed2858e6c2f30e5be7f1f7a709ee2 > > Is that a patch for 4.19.75? Or where can I download the patch for 4.19.75? > This patch was included in 4.19. It introduced the message you are seeing and the commit message explains why you are seeing it. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com