MCP55 SATA data corruption in FreeBSD 7

[Jeremy Chadwick]

On Wed, Jul 23, 2008 at 02:32:01PM +0200, Daniel Eriksson wrote:
> > I am having problems with silent data corruption on (some) drives
> > connected to an MCP55 SATA controller.
> 
> The original problem showed up when talking to (brand new) Samsung 1TB
> drives in SATA-300 mode hooked up to the onboard controller. I have now
> tested with a 750GB Seagate drive in both SATA-300 and SATA-150 mode.
> Unfortunately the problem was not Samsung-related or SATA-300 specific.
> 
> This points to a driver problem with the chipset/controller combination,
> or possibly some sort of strange interaction with other hardware
> (interrupts?). I have no idea how to troubleshoot this any further.

Or it could just be a bad motherboard.  (I'd need to go re-read the
thread to remember if you were seeing this on more than one board.)

-- 
| Jeremy Chadwick                                jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |