On Sat, Mar 04, 2006 at 02:11:46PM +0000, Alan Cox wrote: > Make sure the IRQ is setup properly. Legacy mode IRQs are level > triggered which might fit this description. It's a shared PCI interrupt, so yeah, it's level. As I mentioned to Jeff, explicitly writing back the DMA status register while acknowledging interrupts works (and is what ata_piix does in PATA mode) -- Matthew Garrett | mjg59@xxxxxxxxxxxxx - : 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