Re: Western Digital hard drive and DMA

Alan Cox (alan@lxorguk.ukuu.org.uk)
09 Sep 2002 22:08:14 +0100

On Mon, 2002-09-09 at 03:19, Horst von Brand wrote:
> Use DMA for a week or so, and / is mangled beyond recognition (seems to
> happen with read-only access too). Chipset is intel (sr440bx board, PIIX4E
> IDE). Have heard of similar problems with DMA on WD drives, but got no
> details.

Old old (we are talking 340MB era here) WD had some DMA problems in a
few cases. We know about it and blacklist such drives. I'm aware of a
few "UDMA doesnt work" type incompatibilities with WD drives but not
with PIIX and always UDMA crc errors

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