Thanks Dear Matthew Dillon, When I turn on my notebook and before Login this message was appeared every 20 seconds! I wonder that why this warning only reported by DragonflyBSD and did not reported by other BSDs. Thanks alot for your Help.
On Tue, Jun 30, 2015 at 8:20 PM, Matthew Dillon <[email protected]> wrote: > If you get PCS errors during moderate or heavy disk I/O it means there is > probably too much electrical cross talk or noise on the SATA link. > Probably a cabling issue. Either the cable is not shielded or the cable is > going through an enclosure connector and not directly connected to the > drive. Sometimes sub-stanadard motherboards have cross talk on the traces > (though it is rare). Sometimes sub-standard hot-swap bay enclosures have > similar issues. More likely the cable is not shielded. If it is a mobo > issue you can try connecting the cable to a different SATA connector. > > Transient PCS errors are fairly serious if they occur at times other than > when you are inserting or removing a drive from a hot swap bay. > > -Matt > > On Tue, Jun 30, 2015 at 5:38 AM, Mohammad BadieZadegan < > [email protected]> wrote: > >> Hi everybody, >> I installed DF-BSD 4.2.0 and while I standby or installing any tools the >> message of *ahci0.4: Transient Errors: 40<PCS> (7)* notify me more times! >> What's the matter? If no problem how can I disable that? >> Thanks. >> > > -- [image: See you on my WEB] <http://933k.ir>
