Re: Problems with AMD64 and 8 GB RAM?

From: Greg 'groggy' Lehey (grog_at_FreeBSD.org)
Date: 03/31/05

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    Date: Thu, 31 Mar 2005 08:39:51 +0930
To: Scott Long <scottl@samsco.org>

    On Wednesday, 30 March 2005 at 16:04:44 -0700, Scott Long wrote:
    > Greg 'groggy' Lehey wrote:
    >> On Wednesday, 30 March 2005 at 15:30:37 -0700, Scott Long wrote:
    >>
    >>> Greg 'groggy' Lehey wrote:
    >>>
    >>>> I've recently acquired an AMD64 box ...
    >>>>
    >>>> What's unstable? ... The amd64 5.4-PRERELEASE kernel just
    >>>> hangs/freezes.
    >>>
    >>> 5.3-RELEASE has a lot of problems with >4GB due to busdma issues.
    >>> Those should no longer be an issue in RELENG_5, including 5.4-PRE.
    >>
    >> They appear to be.
    >
    > I don't understand what you mean here.

    As I said above (and trimmed for convenience), this problem occurs on
    5.4-PRERELEASE as of yesterday morning. The dmesg shows that too.

    >> As I described, it doesn't appear to be the drivers.
    >
    > I don't see how you proved or disproved this.

    Shall I resend the original message? It seems independent of any
    particular driver. That's not proof, of course, but I didn't claim it
    was.

    Greg 

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