Re: problem with a cobalt RaQ550 system and DMA (Serverworks OSB4 in impossible state)

[Olivier Bornet]

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Hi Duncan,

> The only work around we have found is to limit these drives to ATA
> mode 4.  Supposedly newer Seagate firmware for these drives will report
> only UDMA mode 4 capable, but for earlier drives (like those probably
> found in your raq550) try this patch against 2.4.20.

Thanks ! This is the solution. I have applied the patch, and the sync
was now OK after about 1 hours for the 70 GB.

Is this patch already applyed on the 2.4.21-pre kernels ? If not can
someone apply it ?

One more time, thanks for your help.

		Olivier
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