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Date:      Thu, 4 Oct 2007 16:03:36 +0200
From:      Erik Trulsson <ertr1013@student.uu.se>
To:        Claus Guttesen <kometen@gmail.com>
Cc:        Stephen.Clark@seclark.us, freebsd-stable@freebsd.org, Ivan Voras <ivoras@freebsd.org>
Subject:   Re: Panic with RELENG_6_2 on DELL PE 4600 with PAE
Message-ID:  <20071004140336.GA67367@owl.midgard.homeip.net>
In-Reply-To: <b41c75520710040625ne39c96co39f07d4d166468d0@mail.gmail.com>
References:  <47039CB4.5040306@seclark.us> <4703C245.9000104@mac.com> <4703C4FB.4030809@seclark.us> <4703C687.2010201@mac.com> <4703D5B6.4070003@seclark.us> <fe0lhg$t21$1@sea.gmane.org> <4704E87D.4020608@seclark.us> <b41c75520710040625ne39c96co39f07d4d166468d0@mail.gmail.com>

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On Thu, Oct 04, 2007 at 03:25:42PM +0200, Claus Guttesen wrote:
> > >>Why would there be no space when I have 24GB of memory?
> > >
> > >1. Any process, including the kernel can only allocate up to 4 GB of
> > >memory on a 32-bit system (since a 32-bit integer can only hold that
> > >many values)
> > >2. The kernel is further constrained so the user programs can get enough
> > >memory
> > >3. Kernel structures for tracking and using memory are also stored in
> > >kernel memory. 24 GB of memory with PAE probably "eats up" a lot of
> > >those. I think you'll need to increase kmem_size (see
> > >http://wiki.freebsd.org/ZFSTuningGuide for an example - ignore
> > >ZFS-specific things).
> > It made no difference. Still the same error.
> >
> > Is anyone actually using PAE with FreeBSD 6.2? I have found practically
> > no information using
> > google.
> 
> But why use i386 with so much ram? Wouldn't it make more sense running
> amd64 instead?

The CPUs in his machine do not support amd64, so he is stuck with i386.



-- 
<Insert your favourite quote here.>
Erik Trulsson
ertr1013@student.uu.se



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