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    SubjectRe: IO-APIC on nforce2 [PATCH] + [PATCH] for nmi_debug=1 + [PATCH] for idle=C1halt, 2.6.5
    Date
    On Friday 23 April 2004 03:21, Len Brown wrote:
    > On Thu, 2004-04-22 at 12:39, Jesse Allen wrote:
    >
    > > On the Shuttle AN35N, the C1 disconnect option default is auto. If you're
    > > talking about this board, or another board Shuttle seemingly fixed, then I
    > > can tell you that I haven't been able to get my to hang with vanilla kernels.
    >
    > Have you been able to hang the AN35N under any conditions?
    > Old BIOS, non-vanilla kernel?
    >
    > > As for your patch, I get a fast timer, and gain about 1 sec per 5 minutes.
    > > The only patch that seemed to work without a fast timer so far was the one
    > > removed by Linus in a testing version. The AN35N has the timer override
    > > bug.
    >
    > Hmm, I didn't notice fast time on my FN41, i'll look for it.
    >
    > I'm not familiar with the "one removed by Linux in a testing version",
    > perhaps you could point me to that?

    This is Maciej's patch - latest posting of it that I have seen,
    http://linux.derkeiler.com/Mailing-Lists/Kernel/2004-04/3174.html

    His fix up of the 8259 ack issue (when used without routing 8254 pit into
    io-apic INTIN0) successfully establishes a virtual wire mode input of the timer
    which the nforce2 seems happy with albeit without being able to use
    "nmi_debug=1"

    It is that timer ack issue tied up with the integrated apic.
    http://linux.derkeiler.com/Mailing-Lists/Kernel/2004-04/2143.html

    This refers to when it was in the 2.6.3-rc1-mm1
    http://linux.derkeiler.com/Mailing-Lists/Kernel/2004-02/2658.html

    Regards
    Ross.

    >
    > > Attached is the dmidecode for the AN35N.
    >
    > applied.
    >
    > thanks,
    > -Len
    >
    >
    >
    >
    >

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