On Sunday 01 March 2009, Martin Michlmayr wrote: > * saeed bishara <saeed.bishara@xxxxxxxxx> [2009-02-24 11:33]: > > What I think is that this issue is seen with the specific disk that > > you have, the chip blinks the LED depending on the BUSY bit status, > > and I suspect that with the disk you have does clear that bit > > immediately after receiving the command FIS, so the LED will be off, > > though the command is not completed yet, and this makes the led > > responsiveness differ that in NCQ-disabled mode. > > The LED issue was reported by two people on the QNAP forum the other > day. I asked what disks they had and one has a WDC WD7500AACS-00D6B0 > whereas the other one has a WDC WD10EADS-00L5B1. Do you also use a > WDC disk, Frans? I always was rather doubtful of Saeed's analysis (with all due respect), but it's good to see confirmed that the same problem manifests with other disks too. I have a completely different HD: Model Family: Hitachi Deskstar T7K250 series Device Model: HDT722516DLA380 Firmware Version: V43OA91A User Capacity: 164,696,555,520 bytes Cheers, FJP -- 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
