Re: Problems with AMD64 and 8 GB RAM?

From: David O'Brien (obrien_at_freebsd.org)
Date: 03/31/05

  • Next message: David O'Brien: "Re: Problems with AMD64 and 8 GB RAM?"
    Date: Thu, 31 Mar 2005 10:45:24 -0800
    To: Peter Wemm <peter@wemm.org>
    
    

    On Wed, Mar 30, 2005 at 03:25:37PM -0800, Peter Wemm wrote:
    > Greg: The busdma problems from 5.3-RELEASE are fixed. That doesn't
    > mean that there are no *other* problems. Scott is saying "the old
    > busdma bug shouldn't be affecting 5.4-PRE", and he's correct.
    >
    > Most likely, something else is happening, eg: you're running out of KVM
    > or something silly like that. I know we're right on the brink at 8GB.
    > The layout of the devices may be just enough to tip it over the edge.

    Grog's motherboard is a 4+0 configuration -- which would mean he is using
    (trying to) 2GB DIMM's. There are memory bus loading specifictions he
    may be out of spec of.

    -- 
    -- David  (obrien@FreeBSD.org)
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