From owner-freebsd-arm@FreeBSD.ORG Wed Jan 15 13:56:52 2014 Return-Path: Delivered-To: freebsd-arm@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id F0CE38A9 for ; Wed, 15 Jan 2014 13:56:52 +0000 (UTC) Received: from mho-02-ewr.mailhop.org (mho-02-ewr.mailhop.org [204.13.248.72]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id C49D615C6 for ; Wed, 15 Jan 2014 13:56:52 +0000 (UTC) Received: from c-24-8-230-52.hsd1.co.comcast.net ([24.8.230.52] helo=damnhippie.dyndns.org) by mho-02-ewr.mailhop.org with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1W3Qxf-000DA8-7v; Wed, 15 Jan 2014 13:56:51 +0000 Received: from [172.22.42.240] (revolution.hippie.lan [172.22.42.240]) by damnhippie.dyndns.org (8.14.3/8.14.3) with ESMTP id s0FDulsY039480; Wed, 15 Jan 2014 06:56:47 -0700 (MST) (envelope-from ian@FreeBSD.org) X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 24.8.230.52 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1/s8H33LMzGIC4Cxadd4SkR Subject: Re: Raspberry Pi: still getting prefetch aborts From: Ian Lepore To: George Mitchell In-Reply-To: <52D5D0F8.9050205@m5p.com> References: <52BB73B4.5030000@m5p.com> <52D5D0F8.9050205@m5p.com> Content-Type: text/plain; charset="us-ascii" Date: Wed, 15 Jan 2014 06:56:47 -0700 Message-ID: <1389794207.1230.27.camel@revolution.hippie.lan> Mime-Version: 1.0 X-Mailer: Evolution 2.32.1 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Cc: "freebsd-arm@freebsd.org" X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Jan 2014 13:56:53 -0000 On Tue, 2014-01-14 at 19:06 -0500, George Mitchell wrote: > On 12/25/13 19:09, George Mitchell wrote: > > FreeBSD 10.0-PRERELEASE (RPI-B) #0 r259866M: Wed Dec 25 17:26:28 EST 2013 > > (M because I selected serial output in RPI-B) > > > > /usr/ports is NFS mounted from elsewhere. > > [Long description of prefetch abort] [...] > > Well, that got a deafeningly silent response. I finally copied my > /usr/ports onto the SD card instead of NFS mounting it, and now my > port build is chugging along happily so far. So the problem, > whatever it is, is triggered by NFS. -- George I've been consistantly unable to reproduce the userland crash you see on rpi, even though the tracebacks and all make it look a lot like the wrong-endian kernel crashes I see on Wandboard (although my gut tells me it's not really the same problem). My setup is a lot like yours, with nfs-mounted filesystems, but when I build ports that way it either works fine, or the port builds die for other reasons. -- Ian