6.1-RELEASE: WARNING - WRITE_DMA soft error

[Doug White]

On Mon, 5 Jun 2006, srwadleigh wrote:

> I have 6.1-RELEASE installed on a Supermicro SuperServer 6014P-TR
> with Supermicro motherboard: Super X6DHP-TG 
> http://supermicro.com/products/motherboard/Xeon800/E7520/X6DHP-TG.cfm
>
> I have four SATA drives attached to the internal backplane which uses
> the following controller, I am Not using the onboard RAID features:
>
>    Marvell 88SX6081 4-port SATA Controller with 3rd-Party Adaptec
>    AIC-8110(4x drive), RAID 0, 1, JBOD support
>
> The problem I am seeing occurs with the fourth drive, ad10, and appears
> on all read/write operations:
>
> ad10: WARNING - WRITE_DMA48 soft error (ECC corrected) LBA=293046767
> kernel:ad10: WARNING - WRITE_DMA soft error (ECC corrected) LBA=12393823
> kernel:ad10: WARNING - READ_DMA soft error (ECC corrected) LBA=12480567
>
> This same warning message appears on 6.0-RELEASE and 6.1-STABLE

I have problems with a similar chassis w/ SCSI and bay 3 throwing spurious 
errors on a number of systems, so I think its just poor backplane design 
on SuperMicro's part. Try getting them to replace your backplane board.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite at gumbysoft.com          |  www.FreeBSD.org