> The AHCI code falls back to 32bit DMA in that case. Which in turn > causes the problem seen by Srihari. There is not much printk sticking > necessary, the code is simply not handling this. What code is not handling what? IOMMU merging should be always safe. If it is not the driver should not submit things in a single SG list. > So the main option > right now seems to revert the iommu_merge patch. I don't think that is the correct fix. -Andi - 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
