am2 MBs - 4g + SCSI wipes out root partition

JoaoBR joao at
Mon Oct 13 05:48:38 PDT 2008

On Sunday 12 October 2008 14:10:36 Scott Long wrote:

> >> I am using some LSI (mpt driver) ultra4 (U320 scsi) and LSI SAS
> >> controllers in FreeBSD 7.x amd64 with 20G of ram, and Adaptec (aac
> >> driver) with a 5th generation RAID card with 8G of ram, both have no
> >> such corruption problems.  Providing this as a counter-example just to
> >> document some evidence of which products seem to work fine.
> >
> > Is your LSI SAS controller driven by mpt(4) or mfi(4)?
> I can personal vouch for MPT and MFI drivers working just fine with >4GB.

let narrow this a little bit, are you talking about AM2 sockets? 

because on AM2 the MPT drv is faulty as AHC, AHD and AACD with => 4Gigs



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