O> Hmmm.... reading ide-cd.c::cdrom_pc_intr(). OIC, ide-cd is dealing with > this problem by draining PIO after BMDMA engine is done. This is > possible for BMDMA engines as they simply step out when the SG entries > are exhausted; then, the interrupt handler kicks in and drains the > left-over using PIO. This just isn't possible with more modern DMA engines. Its not possible with old ones either - its a bug not a feature and is why there is special casing for stuff like promise where this hangs the chip. Alan - 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
