On Thursday, March 17, 2011, Yinghai Lu wrote: > 2011/3/16 Rafael J. Wysocki <rjw@xxxxxxx>: > > On Tuesday, March 15, 2011, Sarah Sharp wrote: > >> On Tue, Mar 15, 2011 at 01:00:17AM +0100, Rafael J. Wysocki wrote: > >> > Well, I must admit I have no idea what the problem is. OK, in addition to the > >> > above changes, please replace the "pci_ext_cfg_avail(root->bus->self)" in the > >> > same file with "true" and see if _that_ helps. > >> > >> Yay, that worked! dmesg is attached. > > > > Good, at least we know what the problem is, now we only have to find the root > > cause. ;-) > > > > So, pci_ext_cfg_avail(root->bus->self) returns 0 on your machine, which is kind > > of unexpected (to put it lightly), so very likely we have uncovered a bug > > in the init code. > > > > Unfortunately, I may not be able to take care of this issue for the next few > > days, I'll let you know when I get back to it. > > her .config does not define PCI_MMCONFIG > > # > # Bus options (PCI etc.) > # > CONFIG_PCI=y > CONFIG_PCI_DIRECT=y > # CONFIG_PCI_MMCONFIG is not set Ah, good catch, thanks! @Sarah: you need to set that for PCI Express to work in general. Thanks, Rafael -- 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
