DMA errors

Stephen Montgomery-Smith stephen at math.missouri.edu
Thu Nov 3 11:46:21 PST 2005


I found these messages on my computer, which is running a very recent 
RELENG_5.  Is this bad?  Does it indicate that the disk is failing?

Nov  3 07:35:48 cauchy kernel: ad4: FAILURE - READ_DMA
status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=145908831
Nov  3 07:35:51 cauchy kernel: ad4: FAILURE - READ_DMA
status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=145908863
Nov  3 07:35:55 cauchy kernel: ad4: FAILURE - READ_DMA
status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=145908895
Nov  3 07:35:59 cauchy kernel: ad4: FAILURE - READ_DMA
status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=145908895

-- 

Stephen Montgomery-Smith
stephen at math.missouri.edu
http://www.math.missouri.edu/~stephen



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