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    SubjectRe: nforce2 and agpgart
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    On Mon, 2002-12-23 at 16:59, Jeff Nguyen wrote:
    > Carl,
    >
    > Are you using the onboard IDE controller for your hard disk?
    > If so, please check to see if DMA is enabled or not.
    >
    > Jeff
    >

    I am using the onboard IDE controller and DMA is enabled.

    > ----- Original Message -----
    > From: "Carl D. Blake" <carl@boeckeler.com>
    > To: <linux-kernel@vger.kernel.org>
    > Sent: Monday, December 23, 2002 2:40 PM
    > Subject: Re: nforce2 and agpgart
    >
    >
    > > On Mon, 2002-12-23 at 14:16, Bongani Hlope wrote:
    > > > On Mon, 2002-12-23 at 20:50, Carl D. Blake wrote:
    > > > > I'm having trouble getting agpgart support to work with an nforce2
    > > > > chipset. Is this supported on any kernels? I'm running a Redhat 7.1
    > > > > system with Redhat's 2.4.9-21 kernel.
    > > >
    > > > Try to use a newer kernel from Redhat, because that kernel was around
    > > > looong before nforce was released. IIRC support for nforce2 was added
    > > > around 2.4.19
    > > >
    > >
    > > I just upgraded to the 2.4.18 kernel provided by Redhat and it didn't
    > > make any difference. The message I get in dmesg is:
    > >
    > > Linux agpgart interface v0.99 (c) Jeff Hartmann
    > > agpgart: Maximum main memory to use for agp memory: 439M
    > > agpgart: unsupported bridge
    > > agpgart: no supported devices found.
    > >
    > > You suggested trying 2.4.19, so I downloaded kernel 2.4.20 from
    > > kernel.org and compared its agp code (drivers/char/agp) with the code in
    > > 2.4.18. There are a few differences - such as supporting AMD 8151 - but
    > > nothing that indicates improved support for agpgart on the nforce2
    > > chipset. The changelog for 2.4.20 indicated some added support for the
    > > nforce2 chipset, but that seems to be support for the audio and network
    > > portions of the chipset, not agp. I was able to incorporate the audio
    > > changes manually for kernel 2.4.18 by using Nvidia's patches, but I
    > > can't get agp to work.
    > >
    > > Any other suggestions? Thanks for your help.
    > > > --
    > > > For future reference - don't anybody else try to send patches as vi
    > > > scripts, please. Yes, it's manly, but let's face it, so is
    > > > bungee-jumping with the cord tied to your testicles.
    > > >
    > > > -- Linus
    > > --
    > > Carl D. Blake
    > > Director of Engineering
    > > Boeckeler Instruments, Inc.
    > > 4650 S. Butterfield Dr.
    > > Tucson, AZ 85714
    > >
    > > Phone: 520-745-0001
    > > FAX: 520-745-0004
    > > email: carl@boeckeler.com
    > >
    > > .com
    > >
    > > -
    > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    > > the body of a message to majordomo@vger.kernel.org
    > > More majordomo info at http://vger.kernel.org/majordomo-info.html
    > > Please read the FAQ at http://www.tux.org/lkml/
    > >
    >
    > -
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    --
    Carl D. Blake
    Director of Engineering
    Boeckeler Instruments, Inc.
    4650 S. Butterfield Dr.
    Tucson, AZ 85714

    Phone: 520-745-0001
    FAX: 520-745-0004
    email: carl@boeckeler.com

    .com

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