Date: Wed, 27 Aug 2003 21:06:26 +0200 (SAST) From: Irvine Short <irvine@sanbi.ac.za> To: David Landgren <david@landgren.net> Cc: freebsd-questions@freebsd.org Subject: Re: Large memory issues Message-ID: <20030827210405.E28625@fling.sanbi.ac.za> In-Reply-To: <3F4CE8D2.6010605@landgren.net> References: <20030827133322.X83260@fling.sanbi.ac.za> <3F4CE8D2.6010605@landgren.net>
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On Wed, 27 Aug 2003, David Landgren wrote: > Irvine Short wrote: > > I then found that this: > > options MAXDSIZ="(2048*1024*1024)" > > options MAXSSIZ="(128*1024*1024)" (and also 64MB) > > options DFLDSIZ="(512*1024*1024)" > > > > worked fine but not as expected - limit reports datasize unlimited. > > I've managed to crank it up as far as > > options MAXDSIZ="(3568*1024*1024)" Cool! Although I tried 3500 & it blew up too... > > Hyperthreading: 2 logical CPUs > > real memory = 4025942016 (3931584K bytes) > > > > and then later it says on the console something like: > > 256MB of RAM over 4GB ignored. > > > > Seems silly to waste 256MB RAM so any hints would be appreciated here > > too. > > How can you address more than 2^32 bytes of RAM with a 32 bit > processor? :) Yeah, I know about PAE, but it's a 4GB machine so why is there 256MB over the 4GB limit? Thanks for the advice though... Irvine Sys Admin SANBI, University of the Western Cape, South Africa http://www.sanbi.ac.za tel: +27-21-959 3645 cel: +27-82-494 3828
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