From owner-freebsd-stable@FreeBSD.ORG Fri Oct 15 16:28:32 2010 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 02372106564A for ; Fri, 15 Oct 2010 16:28:32 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from qmta13.emeryville.ca.mail.comcast.net (qmta13.emeryville.ca.mail.comcast.net [76.96.27.243]) by mx1.freebsd.org (Postfix) with ESMTP id DBBDC8FC13 for ; Fri, 15 Oct 2010 16:28:30 +0000 (UTC) Received: from omta07.emeryville.ca.mail.comcast.net ([76.96.30.59]) by qmta13.emeryville.ca.mail.comcast.net with comcast id K2Sr1f0081GXsucAD4UW8t; Fri, 15 Oct 2010 16:28:30 +0000 Received: from koitsu.dyndns.org ([98.248.41.155]) by omta07.emeryville.ca.mail.comcast.net with comcast id K4UV1f0093LrwQ28U4UVAY; Fri, 15 Oct 2010 16:28:30 +0000 Received: by icarus.home.lan (Postfix, from userid 1000) id 4E4B49B425; Fri, 15 Oct 2010 09:28:29 -0700 (PDT) Date: Fri, 15 Oct 2010 09:28:29 -0700 From: Jeremy Chadwick To: Sean Bruno Message-ID: <20101015162829.GA12459@icarus.home.lan> References: <1287158693.5225.7.camel@home-yahoo> <20101015162714.GA12400@icarus.home.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20101015162714.GA12400@icarus.home.lan> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: "stable@freebsd.org" Subject: Re: kpanic on install >32GB of RAM X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Oct 2010 16:28:32 -0000 On Fri, Oct 15, 2010 at 09:27:14AM -0700, Jeremy Chadwick wrote: > On Fri, Oct 15, 2010 at 09:04:53AM -0700, Sean Bruno wrote: > > So, trying to get a massively overpowered HP box up with 7.3 amd64 > > version up and running. > > > > I can't tell at the moment, but it looks like the installer kernel is > > having issues with >32GB of RAM in this box. > > > > Are we using the i386 kernel on amd64 installs? > > If you booted a FreeBSD image that has "amd64" in the ISO name, then the > kernel is actually 64-bit (amd64). The only i386 piece would be the > bootloader. > > There's probably someone here who can help with the issue you describe, > as there's occasional posts here and there from people who experience > issues/problems when using very large amounts of RAM. Oh, something I forgot -- make sure you review documentation for your northbridge chipset (if there is one; if not, see specifications for your processor since the memory controller is on-die). Many have strict limits. The BIOS can also inhibit limits based on certain features. -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |