xerces8 wrote:
>> This looks like resource conflict to me, which could have resulted
>> from ahci trying to grab all resources. Can you please post the
>> result of "cat /proc/ioports" and "cat /proc/iomem"?
>
> I noticed that in IDE mode the same happens (32bit kernel has problems,
> 64bit kernel has not), so here is dmesg, iomem and ioports for all 4
> combinations.
Can you please try the attached debug patch and report boot log. All
resources look fine.
Thanks.
--
tejun
---
drivers/ata/ahci.c | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
Index: tree0/drivers/ata/ahci.c
===================================================================
--- tree0.orig/drivers/ata/ahci.c
+++ tree0/drivers/ata/ahci.c
@@ -2240,8 +2240,10 @@ static int ahci_init_one(struct pci_dev
/* acquire resources */
rc = pcim_enable_device(pdev);
- if (rc)
+ if (rc) {
+ dev_printk(KERN_WARNING, &pdev->dev, "pcim_enable_device failed %d\n", rc);
return rc;
+ }
/* AHCI controllers often implement SFF compatible interface.
* Grab all PCI BARs just in case.
@@ -2249,8 +2251,10 @@ static int ahci_init_one(struct pci_dev
rc = pcim_iomap_regions_request_all(pdev, 1 << AHCI_PCI_BAR, DRV_NAME);
if (rc == -EBUSY)
pcim_pin_device(pdev);
- if (rc)
+ if (rc) {
+ dev_printk(KERN_WARNING, &pdev->dev, "pcim_iomap_regions_request_all() failed %d\n", rc);
return rc;
+ }
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
(pdev->device == 0x2652 || pdev->device == 0x2653)) {
@@ -2324,19 +2328,26 @@ static int ahci_init_one(struct pci_dev
/* initialize adapter */
rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
- if (rc)
+ if (rc) {
+ dev_printk(KERN_WARNING, &pdev->dev, "ahci_configure_dma_masks() failed %d\n", rc);
return rc;
+ }
rc = ahci_reset_controller(host);
- if (rc)
+ if (rc) {
+ dev_printk(KERN_WARNING, &pdev->dev, "ahci_reset_controller() failed %d\n", rc);
return rc;
+ }
ahci_init_controller(host);
ahci_print_info(host);
pci_set_master(pdev);
- return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
+ rc = ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
&ahci_sht);
+ if (rc)
+ dev_printk(KERN_WARNING, &pdev->dev, "ahci_host_activate() failed %d\n", rc);
+ return rc;
}
static int __init ahci_init(void)
