Timur Tabi wrote: > Tejun Heo wrote: > >> Running "lspci -nnvvvxxx" before loading the driver should be enough. > > That might be difficult. My root file system is on my SATA drive. > It'll be a while before I can build an NFS rootfs. > Yeah, right. The following patch should do the trick then. diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 788bba2..b3f4df7 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -2606,6 +2606,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); + { + u16 cmd; + pci_read_config_word(pdev, PCI_COMMAND, &cmd); + printk("XXX PCI_COMMAND=0x%x\n", cmd); + } + /* The AHCI driver can only drive the SATA ports, the PATA driver can drive them all so if both drivers are selected make sure AHCI stays out of the way */ -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html