From owner-freebsd-arm@FreeBSD.ORG Sat Nov 22 22:00:22 2014 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id AF1D1FD8 for ; Sat, 22 Nov 2014 22:00:22 +0000 (UTC) Received: from mail.FoxValley.net (mail.FoxValley.net [64.135.192.34]) by mx1.freebsd.org (Postfix) with SMTP id 7615B9FA for ; Sat, 22 Nov 2014 22:00:21 +0000 (UTC) Received: (qmail 28252 invoked from network) for freebsd-arm@freebsd.org; 22 Nov 2014 16:00:20 -0600 Received: from 71-211-193-1.hlrn.qwest.net (HELO ?192.168.1.3?) (draymond@71.211.193.1) by mail.foxvalley.net with SMTP; 22 Nov 2014 16:00:20 -0600 Message-ID: <54710770.5040801@foxvalley.net> Date: Sat, 22 Nov 2014 15:00:16 -0700 From: Dan Raymond User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: ticso@cicely.de, Warner Losh Subject: Re: new support for Raspberry Pi B+ References: <5470E81A.3070009@foxvalley.net> <20141122200952.GA22446@cicely7.cicely.de> <5470F87D.1040208@foxvalley.net> <1416690352.1147.333.camel@revolution.hippie.lan> <20141122213155.GB22446@cicely7.cicely.de> In-Reply-To: <20141122213155.GB22446@cicely7.cicely.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: "freebsd-arm@freebsd.org" , Ian Lepore X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 22 Nov 2014 22:00:22 -0000 >> I considered that originally which is why I bought 4 different cards of >> different brands for testing (Transcend, SanDisk, Samsung, Kingston): >> >> http://www.amazon.com/gp/product/B00CBD0XSI/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1 >> http://www.amazon.com/gp/product/B00M55C0NS/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1 >> http://www.amazon.com/gp/product/B00IVPU7DQ/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1 >> http://www.amazon.com/gp/product/B003WIRFD2/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1 >> >> None of them will boot FreeBSD at high speed and I have seen SD related >> panics with 3 of them (so far) at low speed. > Well high speed seems to be a different issue. > But if it happens on multiple different cards, then the corruption is unlikely > card related. > >>> I would actually dispute that this one is an sd-related panic, unless >>> you have messages about gvfs_iodone failures on the console before the >>> panic. Otherwise this is more likely another memory corruption problem >>> similar to the panics being reported on wandboard. >> The RPi is also sensitive to power. I?ve seen weird corruption like this when I tried to run >> my RPi off a battery and the battery was getting weak... > They completely redesigned the power design in the B+, including the > use of decent switching regulators. > Assuming the problem happens on a B+ as the subject claims. > Yes, it is a Raspberry Pi B+. I just received a second one yesterday to do more testing and I am experiencing issues on this one too.