Yinghai Lu wrote:
quoted text
> On 9/14/07, Robert Hancock <hancockr@shaw.ca> wrote:
>> It's not impossible at all. In fact I'm quite sure (Jesse can confirm)
>> that in the case of the board he was using, it was an add-in graphics
>> card where he saw this problem.
>>
>> The fact is that in the case of MMCONFIG overlap with PCI BARs, which
>> one takes priority is completely undefined. In the case of this Intel
>> chipset, clearly the PCI Express device connected to the northbridge had
>> higher decode priority than the MMCONFIG aperture.
> 
> can you relocate the MMCONFIG above RAM range? for example 512G...

On some chipsets that might be possible, however I think that on the 
Intel ones it's not possible to move it above 4G. And in any case this 
would require chipset-specific knowledge, which we would rather not have 
to need.

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/

-
unsubscribe notice
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/