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    SubjectRe: [AGPGART] intel_agp: use table for device probe
    On Sun, Jun 17, 2007 at 06:49:18PM -0400, Dave Jones wrote:
    > ok, then you must have CONFIG_AGP=y

    I do - not voluntary however. For some mysterious reason I am
    unable to set it to n or m. I am also not able to set CONFIG_AGP_INTEL
    to n, only to y or m.
    (using make 'menuconfig' for example).

    > > $ find /lib/modules -name 'agpgart.ko'
    > > $ /lib/modules/2.6.22-rc5-master-188e1f81ba31af1b65a2f3611df4c670b092bbac-amd64 -name '*agp*.ko'
    > > /lib/modules/2.6.22-rc5-master-188e1f81ba31af1b65a2f3611df4c670b092bbac-amd64/kernel/drivers/char/agp/sis-agp.ko
    > > /lib/modules/2.6.22-rc5-master-188e1f81ba31af1b65a2f3611df4c670b092bbac-amd64/kernel/drivers/char/agp/intel-agp.ko
    > > /lib/modules/2.6.22-rc5-master-188e1f81ba31af1b65a2f3611df4c670b092bbac-amd64/kernel/drivers/char/agp/via-agp.ko
    > >
    > > 2)
    > >
    > > $ strings /lib/modules/2.6.22-rc5-master-188e1f81ba31af1b65a2f3611df4c670b092bbac-amd64/kernel/drivers/char/agp/intel-agp.ko | grep 'agpgart: Detected an Intel'
    > > <6>agpgart: Detected an Intel %s Chipset.
    > >
    > > Hence, in the case that the kernel works, intel-agp is loaded
    > > WITHOUT printing this Detected line
    >
    > That doesn't make much sense. The hardware doesn't change between
    > a working & not-working kernel, and somehow the PCI probing fails.
    > Hmm, do you have CONFIG_EDAC set ?

    CONFIG_EDAC=m

    $ lsmod | grep edac
    $

    > There's an outstanding bug (well, lack of feature) , where it claims
    > the PCI device before AGP gets a chance to.
    > This is unrelated to your hang however, but would at least explain
    > the inconsistent probing.
    >
    > > Perhaps my "solution" is to remove this module completely?
    > > I don't seem to need it.
    >
    > It's needed only for 3d,

    Nope - I just played UT2004 without problems, and without intel-agp loaded.

    > but it'd be good to figure out why its so
    > broken on your system, even if you don't need it.

    Please tell me what to do / try.
    I'm an experienced coder - but I never really played with the
    kernel before - so you'll have to spell out how to turn on debugging etc.

    --
    Carlo Wood <carlo@alinoe.com>
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