Re: Corruption Stats (fwd)

Mark Lord (
Wed, 29 Jul 1998 07:21:28 -0400

This one is another SMP motherboard.

I wonder if there are any non-SMP reports at all?

Christopher Seawood wrote:
> Tyan Tomcat IIID mb
> Under 2.0.35, I cannot set the drives' using_dma flag to 1.
> 2.1.101 UP works fine
> 2.1.103 UP corrupts
> .10[456789] SMP IDE-DMA corrupts
> .109 UP IDE-DMA corrupts

Mmm.. That one (above) is puzzling. Are you sure?

> .109 SMP works fine
> hdc: WDC AC22100H

WD has a non-announced bug with UDMA support on certain models,
which I just found out about from reading some "semi-secret"
material sent to me from a vendor of IDE-interface boards.

But the drives listed there are the AC35100 and AC36400.
Or maybe those are the only ones we know about..
I suppose we'll need to blacklist those models permanently.

The (ex-)Linux IDE guy

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