Le 21/06/2012 04:43, Yinghai Lu a écrit : > On Wed, Jun 20, 2012 at 12:57 PM, Brice Goglin <brice.goglin@xxxxxxxxx> wrote: >> Le 20/06/2012 21:28, Yinghai Lu a écrit : >>> On Wed, Jun 20, 2012 at 11:46 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: >> I agree that the most common problem is that _PXM is missing. But I've >> seen at least some HP Westmere-EP platforms where _PXM exists but it is >> wrong. Last time we checked, there was no BIOS update, even if we >> reported the bug a while ago. >> > Do you have boot log or acpi dump? > > I suspected that could be other problem. intel system before > sandbridge does not have IIO. > they will have ioh instead, and one ioh would connect to two cpu sockets. > but _PXM for root bus in dsdt only can return one value. Aka it is > acpi spec limitation. The machines I am talking about have two IOHs (one connected to each socket). I only have an old 2.6.27 boot log at hand, I'll ask my admins for more. Do you want the 2.6.27 dmesg anyway? Brice -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
