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Subjectagpgart.o and intel i810-chipset
hi all,

since 2 weeks I can't get the agpgrat-module working on my
intel-i810-chipset:

00:00.0 Host bridge: Intel Corporation: Unknown device 7124 (rev 03)
00:01.0 VGA compatible controller: Intel Corporation: Unknown device 7125
(rev 03)

I can't find the reason of the initial-error while loading agpgart.
("no supported devices found"). I made some tests and changes to
the module-source but I need some background-information and don't know
where to find them.

In the driver, there is no case-statement for
"PCI_DEVICE_ID_INTEL_810_E_1" like the
one for "PCI_DEVICE_ID_INTEL_810_E_0" but the one for "810_E_0" searches
for "PCI_DEVICE_ID_INTEL_810_E_1".

case PCI_DEVICE_ID_INTEL_810_E_0:
i810_dev = pci_find_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_810_E_1,
NULL);

I copied this to a new case-statement:

case PCI_DEVICE_ID_INTEL_810_E_1:
.....
return intel_i810_setup(i810_dev);

but on loading of the module I get a kernel-oops in

if ((INREG32(intel_i810_private.registers, I810_DRAM_CTL)
& I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) {
....


Do you have any hints for me?
I have no experience in kernel-driver development but I'll try to get the
driver working.
Can you tell me, where to find some other usefull information? (I have the
intel-datasheets, but I'm not shure, if it is a chipset-problem, a bug
or just a typo in the driver).
Is here anybody who has an i810-chipset with a working agpgart-driver?
Please send me an "lspci-listing" an the messages while loading the
driver. I want to find out the difference to my chipset.

Thank you in advance

best regards
wicki

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