From owner-freebsd-arm@freebsd.org Wed Nov 20 22:42:50 2019 Return-Path: Delivered-To: freebsd-arm@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 074A01C41BB for ; Wed, 20 Nov 2019 22:42:50 +0000 (UTC) (envelope-from ticso@cicely7.cicely.de) Received: from raven.bwct.de (raven.bwct.de [195.149.99.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "raven.bwct.de", Issuer "raven.bwct.de" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 47JHlD5sTKz4Skl for ; Wed, 20 Nov 2019 22:42:48 +0000 (UTC) (envelope-from ticso@cicely7.cicely.de) Received: from mail.cicely.de ([10.1.1.37]) by raven.bwct.de (8.15.2/8.15.2) with ESMTPS id xAKMhZeW046719 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Wed, 20 Nov 2019 23:43:36 +0100 (CET) (envelope-from ticso@cicely7.cicely.de) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cicely.de; s=default; t=1574289816; bh=MplAiBZCQQSowNRrR+jrElDZkJ4xTOLzN8UwEcZL7ww=; h=Date:From:To:Cc:Subject:Reply-To; b=BQPdavptI+8cduzrcoIvbi+j9Z7CfmIM0VW6A0v23pZVDaO2rgQqYfxwVQ7hv2Cnw eZMb06O1WzCRlNRr9kRn9xwGZfY6kgxHJIhnPYTvr6CmsG6zeOHhzw97dV5/V2+hWW +qomZo7UtoEfkuQiWrWtbcNec0qz3GyAlPR2YUQg= Received: from cicely7.cicely.de (cicely7.cicely.de [10.1.1.9]) by mail.cicely.de (8.14.5/8.14.4) with ESMTP id xAKMgdC7086468 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 20 Nov 2019 23:42:39 +0100 (CET) (envelope-from ticso@cicely7.cicely.de) Received: from cicely7.cicely.de (localhost [127.0.0.1]) by cicely7.cicely.de (8.15.2/8.15.2) with ESMTP id xAKMgdFQ034802; Wed, 20 Nov 2019 23:42:39 +0100 (CET) (envelope-from ticso@cicely7.cicely.de) Received: (from ticso@localhost) by cicely7.cicely.de (8.15.2/8.15.2/Submit) id xAKMgduZ034801; Wed, 20 Nov 2019 23:42:39 +0100 (CET) (envelope-from ticso) Date: Wed, 20 Nov 2019 23:42:39 +0100 From: Bernd Walter To: freebsd-arm@freebsd.org Cc: Bernd Walter Subject: 20h offset with DS3231 RTC Message-ID: <20191120224239.GA34719@cicely7.cicely.de> Reply-To: ticso@cicely.de Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Operating-System: FreeBSD cicely7.cicely.de 12.0-STABLE amd64 User-Agent: Mutt/1.5.11 X-Spam-Status: No, score=-2.9 required=4.0 tests=ALL_TRUSTED=-1, BAYES_00=-1.9 autolearn=ham version=3.3.0 X-Spam-Checker-Version: SpamAssassin 3.3.0 (2010-01-18) on spamd.cicely.de X-Rspamd-Queue-Id: 47JHlD5sTKz4Skl X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=cicely.de header.s=default header.b=BQPdavpt; dmarc=none; spf=none (mx1.freebsd.org: domain of ticso@cicely7.cicely.de has no SPF policy when checking 195.149.99.3) smtp.mailfrom=ticso@cicely7.cicely.de X-Spamd-Result: default: False [-1.76 / 15.00]; ARC_NA(0.00)[]; HAS_REPLYTO(0.00)[ticso@cicely.de]; R_DKIM_ALLOW(-0.20)[cicely.de:s=default]; NEURAL_HAM_MEDIUM(-0.98)[-0.979,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; MV_CASE(0.50)[]; NEURAL_HAM_LONG(-0.98)[-0.980,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; DMARC_NA(0.00)[cicely.de]; REPLYTO_DOM_NEQ_FROM_DOM(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[cicely.de:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[3.99.149.195.list.dnswl.org : 127.0.20.0]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:21461, ipnet:195.149.99.0/24, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; IP_SCORE(-0.00)[country: DE(-0.01)] X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Nov 2019 22:42:50 -0000 I just added an RTC to a Pi3B with FreeBSD 12.1-RELEASE: ds32310: at addr 0xd0 on iicbus0 ... Setting date via ntp. 20 Nov 22:55:48 ntpdate[760]: step time server 46.165.221.137 offset 71999.728041 sec This was the 3rd reboot. The first boot had no actual time as expected and the RTC wasn't even running. The second already showed the offset. To verify I checked another systemm, wqhich I've added such an RTC before. dmesg said that it booted 9 days ago with 1s offset, but with another reboot: 20 Nov 23:31:44 ntpdate[826]: step time server 80.67.16.8 offset 72000.160415 sec It seems that the error depends on the actual date/time. -- B.Walter http://www.bwct.de Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.