Re: [PATCH] Re: regression, 2.6.26-rc7, pnp: quirk_system_pci_resources()

[Rene Herman <rene.herman@keyaccess.nl>]

On 24-06-08 17:17, Bjorn Helgaas wrote:

> I think your patch makes sense, and you can add my ack.

Thank you, done. I used pnp_resource_type_name() from your patches...

> I do have the feeling that the reason we need the quirk is because we
> aren't handling those PNP device resources quite correctly in the 
> first place.  But I don't have any good ideas about what's wrong yet.
> 
> My first thought was that those regions might be marked as 
> ACPI_PRODUCER resources (i.e., the PNP device forwards transactions 
> in that region to a downstream device).  In that case, the PNP device
> is really a bridge, and it shouldn't reserve the region (or at least
> should not mark it as busy).  But I think we currently ignore 
> ACPI_PRODUCER resources completely, so I don't see how that could 
> cause this problem.

I'm not up on the ACPI side of things at least, but am available for any 
testing you'd like me to do. Just say the word.

Rene.