> Yeap, this is how IDE deals with polling commands but I'm not sure how > it's supposed to work with PCI IRQ sharing. Bartlomiej, can you > enlighten me here? Simple answer: Badly. If you've got the IRQ shared it mucks up the behaviour of the other device especially when its doing PIO. - 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