From owner-freebsd-xen@FreeBSD.ORG Tue Jul 26 18:53:04 2011 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 940B8106566B for ; Tue, 26 Jul 2011 18:53:04 +0000 (UTC) (envelope-from seanbru@yahoo-inc.com) Received: from mrout3.yahoo.com (mrout3.yahoo.com [216.145.54.173]) by mx1.freebsd.org (Postfix) with ESMTP id 7EF058FC13 for ; Tue, 26 Jul 2011 18:53:04 +0000 (UTC) Received: from [127.0.0.1] (cheese.corp.yahoo.com [216.145.50.99]) by mrout3.yahoo.com (8.14.4/8.14.4/y.out) with ESMTP id p6QIgcpd076378 for ; Tue, 26 Jul 2011 11:42:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yahoo-inc.com; s=cobra; t=1311705758; bh=EPJ/wbT7XRaxsVIrA7QR0HA0fIA7T5K7BOPazifp2lY=; h=Subject:From:To:Content-Type:Date:Message-ID:Mime-Version: Content-Transfer-Encoding; b=OG+4LhljmQLsgS0xRAjlK04m8jJPjn8Wun6NmzxCzYTOBHqzAm/7BqT4PYvbeI1w0 JzbWosh3yHsZtbCaCdlykk2wUJcZJdDTyvriPN0EvPdFBlC8Qytfj0SbXhm8sV1s5x P/q2rv4QLtZMW/RFE+/zvEPrW2hTob3a/KmrmU+4= From: Sean Bruno To: "freebsd-xen@freebsd.org" Content-Type: text/plain; charset="UTF-8" Date: Tue, 26 Jul 2011 11:42:37 -0700 Message-ID: <1311705757.3927.10.camel@hitfishpass-lx.corp.yahoo.com> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 (2.32.2-1.fc14) Content-Transfer-Encoding: 7bit Subject: FreeBSD Xen PV i386 --> 855MB Max? 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 18:53:04 -0000 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? Using config file "./ref8-xen32". Started domain ref8-xen32 (id=133) WARNING: loader(8) metadata is missing! GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb Copyright (c) 1992-2011 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 8.2-STABLE #1 r224449: Tue Jul 26 09:53:36 PDT 2011 sbruno@ref8-xen32.freebsd.org:/usr/obj/dumpster/scratch/sbruno-scratch/8/sys/XEN i386 WARNING: WITNESS option enabled, expect reduced performance. panic: pmap_init: page table page is out of range cpuid = 0 KDB: enter: panic [thread pid 0 tid 0 ] Stopped at 0xc010e68a: movl $0,0xc03f20b4