From owner-freebsd-hackers Mon Jul 28 11:31:36 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id LAA23204 for hackers-outgoing; Mon, 28 Jul 1997 11:31:36 -0700 (PDT) Received: from avon-gw.uk1.vbc.net (jdd@avon-gw.uk1.vbc.net [194.207.2.20]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id LAA23194 for ; Mon, 28 Jul 1997 11:31:30 -0700 (PDT) Received: (from jdd@localhost) by avon-gw.uk1.vbc.net (8.8.2/8.7.3) id TAA26460; Mon, 28 Jul 1997 19:31:05 +0100 (BST) Date: Mon, 28 Jul 1997 19:31:03 +0100 (BST) From: Jim Dixon X-Sender: jdd@avon-gw.uk1.vbc.net To: David Greenman cc: hackers@FreeBSD.ORG Subject: Re: MAX physical memory for FreeBSD ? In-Reply-To: <199707220814.BAA12568@implode.root.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Tue, 22 Jul 1997, David Greenman wrote: > >> There isn't any specific limit, but some kernel parameters need to be > >> tweaked before more than 256MB can be used. > > > >Which? We have a machine (a root name server) that needs to be brought > >up to 512 MB urgently. > > Ugh. Actually, the kernel virtual address space must be increased and this > requires, in addition to changing some kernel parameters (which are hardcoded > in a couple of source files), that you do a "make world" to fix certain > kernel start address assumptions that are in some of the system utilities. > Patches attached. Note that the process limit increases aren't strictly > necessary, but are probably desired. -- message from the person applying the patches :-( -------------------- > > FreeBSD 2.2.2-RELEASE #0: Tue Jul 29 02:32:20 BST 1997 > > gordon@kg1.uk1.vbc.net:/usr/src/sys/compile/NS > > CPU: Pentium (132.96-MHz 586-class CPU) > > Origin = "GenuineIntel" Id = 0x52c Stepping=12 > > Features=0x3bf > > real memory = 402653184 (393216K bytes) > > avail memory = 386772992 (377708K bytes) > > > > Any idea of what version of freebsd these patches were applied to? > > I believe that whatever info I had I sent you. Well, after applying the patches, I now get: panic: bouce memory out of range during boot. ------------------------------------------------------------------------ Any ideas ?? -- Jim Dixon VBCnet GB Ltd http://www.vbc.net tel +44 117 929 1316 fax +44 117 927 2015