Florian,
On Wed, Sep 26, 2012 at 01:01:54AM +0200, Florian Dazinger wrote:
> you're right, either "amd_iommu=off" or removing the audio card makes
> the failure disappear. I will test the new BIOS rev. tomorrow.
Can you please test this diff and report if it fixes the problem for
you?
Thanks.
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b64502d..e89daf1 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -266,7 +266,7 @@ static void swap_pci_ref(struct pci_dev **from, struct
pci_dev *to)
static int iommu_init_device(struct device *dev)
{
- struct pci_dev *dma_pdev, *pdev = to_pci_dev(dev);
+ struct pci_dev *dma_pdev = NULL, *pdev = to_pci_dev(dev);
struct iommu_dev_data *dev_data;
struct iommu_group *group;
u16 alias;
@@ -293,7 +293,9 @@ static int iommu_init_device(struct device *dev)
dev_data->alias_data = alias_data;
dma_pdev = pci_get_bus_and_slot(alias >> 8, alias & 0xff);
- } else
+ }
+
+ if (dma_pdev == NULL)
dma_pdev = pci_dev_get(pdev);
/* Account for quirked devices */
--
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