> Well, the answer is very simple, then: DON'T DO THAT.
>
> When an ATA (IDE) drive is put to sleep (-Y),
> it *requires* a reset to revive it for any future commands.
>
> The IDE driver doesn't know about the -Y, so it just attempts
> I/O a few times before digging out the BIG hammer and doing a reset.
Would it be a reasonable thing to include the -Y information in the device
status so that the driver could know a reset was required? Since the
driver sends the command it has the chance to notice there, or might read
a status, or ??? Or is this undesirable for some other reason?
-- bill davidsen <davidsen@tmr.com> CTO, TMR Associates, Inc Doing interesting things with little computers since 1979.- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/