Date: Mon, 28 Jul 1997 19:31:03 +0100 (BST) From: Jim Dixon <jdd@vbc.net> To: David Greenman <dg@root.com> Cc: hackers@FreeBSD.ORG Subject: Re: MAX physical memory for FreeBSD ? Message-ID: <Pine.BSI.3.91.970728192812.25290f-100000@avon-gw.uk1.vbc.net> In-Reply-To: <199707220814.BAA12568@implode.root.com>
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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<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,APIC> > > 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
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