linux-kernel-bugs #12470 IMHO describes a different issue (timeout), when you look at the dmesg output, you will find that in #12470 the controller responds with a message that the drives are slow to respnd, whilc in this bug here the controller doesn't even make an attempt to connecto to a drive and simply says "SATA link down"
linux-kernel-bugs #12470 IMHO describes a different issue (timeout), when you look at the dmesg output, you will find that in #12470 the controller responds with a message that the drives are slow to respnd, whilc in this bug here the controller doesn't even make an attempt to connecto to a drive and simply says "SATA link down"