> This patch implement ATAPI per-command-type DMA horkages and EH logic > to set those quickly. This way, failures localized to certain command > type don't affect other operations (most importantly READs) and > working configuration is found quickly such that the device can be > used. Seems sensible to treat them differently for different controllers. Have you considered re-issuing failing ATAPI DMA commands as PIO as an EH response ? - 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