Re: limiting to UDMA/33 instead of UDMA/100 - pata_pdc202xx_old(also XFS error)?

From: Alan Cox
Date: Sat Sep 08 2007 - 14:36:23 EST


On Fri, 07 Sep 2007 19:47:02 -0400
Jeff Garzik <jeff@xxxxxxxxxx> wrote:

> >> res 51/84:00:3f:00:00/00:00:00:00:00/e0 Emask 0x10 (ATA bus error)
> >> res 51/84:00:3f:00:00/00:00:00:00:00/e0 Emask 0x10 (ATA bus error)
> >> res 51/84:00:21:9d:fc/00:00:00:00:00/e6 Emask 0x10 (ATA bus error)
>
>
> ATA bus error == straight-from-hardware reported error
>
> Cable or connector is dying maybe? Bad power supplies also sometimes
> manifest this way.

With PATA some kind of misclocking can occassionally produce similar
results so its worth a bit of driver debug as well - especially if
forcing the speed down a little helps.
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