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To: petzi@mail.nacamar.de
Cc: hackers@FreeBSD.ORG
Subject: Re: 2.2-BETA: options MAXMEM not working (fwd)
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Date: Wed, 29 Jan 1997 22:32:21 +0100
From: Tor Egge <Tor.Egge@idt.ntnu.no>
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> OK, after having built a couple more kernels, I found out that the MAXMEM
> option does not work for me when set to over 128 MB. I now run a kernel
> that uses only 128 MB, though my machine has 192 MB and will have 256 at
> the end of the week. Has this problem been fixed in kernels subsequent to
> 2.2-BETA ? I was using 160 MB just fine with FreeBSD 2.1.5.
> 
> Cheers,
> 
> Michael

Is bounce buffer support disabled ? It uses some kernel virtual address space.

If that does not help, you may want to look at PR kern/1880. 

- Tor Egge