From owner-freebsd-current@FreeBSD.ORG Wed Oct 21 18:06:50 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 48C091065693 for ; Wed, 21 Oct 2009 18:06:50 +0000 (UTC) (envelope-from garyj@denx.de) Received: from mout7.freenet.de (mout7.freenet.de [IPv6:2001:748:100:40::2:9]) by mx1.freebsd.org (Postfix) with ESMTP id 52FF78FC08 for ; Wed, 21 Oct 2009 18:06:48 +0000 (UTC) Received: from [195.4.92.23] (helo=13.mx.freenet.de) by mout7.freenet.de with esmtpa (ID gary.jennejohn@freenet.de) (port 25) (Exim 4.69 #92) id 1N0faA-0006Qs-V8; Wed, 21 Oct 2009 20:06:46 +0200 Received: from ta056.t.pppool.de ([89.55.160.86]:48666 helo=ernst.jennejohn.org) by 13.mx.freenet.de with esmtpa (ID gary.jennejohn@freenet.de) (port 25) (Exim 4.69 #94) id 1N0faA-0007jI-Ok; Wed, 21 Oct 2009 20:06:46 +0200 Date: Wed, 21 Oct 2009 20:06:45 +0200 From: Gary Jennejohn To: Mike Watters Message-ID: <20091021200645.1a08e457@ernst.jennejohn.org> In-Reply-To: <4ADE4D19.3090907@mwatters.net> References: <4ADE4D19.3090907@mwatters.net> Organization: DENX Softwre Engineering GmbH X-Mailer: Claws Mail 3.7.2 (GTK+ 2.16.2; amd64-portbld-freebsd8.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Wed, 21 Oct 2009 18:32:48 +0000 Cc: freebsd-current@freebsd.org Subject: Re: 8.0-RC1 amd64 - filesystem on scsi disk related memory corruption w/ gte 4GB ram X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: garyj@denx.de List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Oct 2009 18:06:50 -0000 On Tue, 20 Oct 2009 16:51:53 -0700 Mike Watters wrote: > The SCSI card is an LSI20160 (sym(4), PCI U160). The SCSI disk is a > Seagate ST373455LW (U320). The current motherboard is an ASUS M3A76-CM > (AMI BIOS, AM2+ socket). I have a boot -v dmesg (34kb) available from a > livefs cd boot with 8GB installed and memory hole remapping turned on > (case 4 result). The source used to build the CD was cvsup'ed a week or > two ago. > I saw similar problems, I think it was some time last year, using an Adaptec 160 (PCI) controller. IIRC the problem was due to the fact that the card didn't support > 32 bit DMA and there was no provision for bounce buffers in the driver. I can't say whether moving to a PCIe controller would have solved the problem. I ditched SCSI and moved to SATA. --- Gary Jennejohn