--- 0040164f1a8253c4832ace5e7908c77a73a031fa +++ 12e9feaa2f7aba947b65ca2fe3611be81321a8f1 @@ -512,6 +512,7 @@ static void __init quirk_amd_nb_node(str { struct pci_dev *nb_ht; unsigned int devfn; + u32 node; u32 val; devfn = PCI_DEVFN(PCI_SLOT(dev->devfn), 0); @@ -520,7 +521,13 @@ static void __init quirk_amd_nb_node(str return; pci_read_config_dword(nb_ht, 0x60, &val); - set_dev_node(&dev->dev, val & 7); + node = val & 7; + /* + * Some hardware may return an invalid node ID, + * so check it first: + */ + if (node_online(node)) + set_dev_node(&dev->dev, node); pci_dev_put(nb_ht); }