From owner-freebsd-xen@FreeBSD.ORG Tue Jul 26 18:58:58 2011 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx2.freebsd.org (mx2.freebsd.org [IPv6:2001:4f8:fff6::35]) by hub.freebsd.org (Postfix) with ESMTP id 1B908106564A for ; Tue, 26 Jul 2011 18:58:58 +0000 (UTC) (envelope-from cperciva@freebsd.org) Received: from xps.daemonology.net (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx2.freebsd.org (Postfix) with SMTP id 32BD4153E8E for ; Tue, 26 Jul 2011 18:58:46 +0000 (UTC) Received: (qmail 71443 invoked from network); 26 Jul 2011 18:58:45 -0000 Received: from unknown (HELO xps.daemonology.net) (127.0.0.1) by localhost with SMTP; 26 Jul 2011 18:58:45 -0000 Message-ID: <4E2F0E65.70603@freebsd.org> Date: Tue, 26 Jul 2011 11:58:45 -0700 From: Colin Percival User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.1.16) Gecko/20101220 Thunderbird/3.0.11 MIME-Version: 1.0 To: Sean Bruno References: <1311705329.3927.8.camel@hitfishpass-lx.corp.yahoo.com> In-Reply-To: <1311705329.3927.8.camel@hitfishpass-lx.corp.yahoo.com> X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: "freebsd-xen@freebsd.org" Subject: Re: FreeBSD PV i386 panics X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Jul 2011 18:58:58 -0000 On 07/26/11 11:35, Sean Bruno wrote: > I assume then, that the i386 PV instance cannot do more than 1 CPU at > this time? Correct. SMP support was clearly started but never completed. > I note that if I scale the i386 PV Xen kernel past 855MB, I get an insta > panic at boot. I assume that there's a hard limit on the amount of RAMS > we can use here? There's a problem somewhere in FreeBSD's PV machine init code, but I haven't had an opportunity to track it down yet. I hope to look at this some time soon (if I can access the xen box in the cluster?) but I've been swamped lately. -- Colin Percival Security Officer, FreeBSD | freebsd.org | The power to serve Founder / author, Tarsnap | tarsnap.com | Online backups for the truly paranoid