> The bug, as I see it, in the alim15x3 (ULi M5228) hardware: for some > reason it does not hold IRQ line, but rises it for some short period > of time (while the drive itself rises and holds it correctly -- I'm > seeing it via oscilloscope). Are you sure the kernel isn't touching the status register and so clearing the IRQ condition at the controller ? -- 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