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    SubjectRe: intel-agp: skip non-AGP devices
    On Tue, Jun 01, 2004 at 11:04:57AM -0500, Matt Domsch wrote:
    > Dave,
    > On our PowerEdge 2600 system, which has an Intel E7501 Memroy
    > Controller Hub, the intel-agp probe code is reporting, at KERN_ERR no less:
    > agpgart: Unsupported Intel chipset (device id 254c)


    > agp_intel_probe() calls pci_find_capability(PCI_CAP_ID_AGP)
    > but doesn't check the return value (should be zero in this case) prior
    > to moving into the switch.
    > The patch below checks for a valid cap_ptr prior to printing the
    > message, now at KERN_WARNING level (it's not really an error, is it?)

    The real problem is that agpgart doesn't properly fill in the pci_id
    table but claims all devices and then does it's own probing internally.

    This also breaks hotplug in a funny way.
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