Re: Data corruption reading IDE CD-ROM in 2.2.x

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Sun Jan 09 2000 - 12:31:07 EST


> I do see a lot of WD drives om the DMA blacklist, but not yours.
> Perhaps Andre can expand on this?

The WD blacklist is taken from WD's own list of drives that could fail in
some cases and had firmware updates. We've found no way to see if the firmware
was updated so we block them all

> > And, certainly, I still wonder why it silently corrupted the data... Do I
> > have bad hardware or something weird in the kernel?
>
> Judging by WD's track record I wouldn't rule out bad hardware.

The DMA problem was a specific range of drives.

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