Re: SATA kernel-buffered read VERY slow (not raid, Promise TX300 card); 2.6.23.1(vanilla)

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On Sun, 06 Jan 2008 12:25:10 -0800
Linda Walsh <lkml@xxxxxxxxx> wrote:

> Robert Hancock wrote:
> >
> > If this is a Seagate, I believe that they don't have AAM enabled on 
> > any of their newer drives (something about a lawsuit for patent 
> > infringement on that feature, or something). Quite likely they don't 
> > support that power management command, either.
> --
>     Do you have a source for this -- haven't heard of such a conflict -- 

There were patent questions around AAM. There are some discussions on the
t13 archive then it goes silent and nothing is ever said again, which I
imagine is when it got lawyered.

> besides, doesn't
> ATA-7 require some of those functions? 

No.

Alan
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