Let me guess... this is a T61 or X61 ? There's a problem with these that we don't fully understand yet, we're getting those stale interrupts all over the range. I wonder if it could be a bug with the ICH8 chipset... If yours is one of these, it's being dealt with (or attempted to deal with) at http://bugzilla.kernel.org/show_bug.cgi?id=8853 Ben. - 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