Re: Silicon Image 3112A SATA trouble

Jens Axboe
2003-11-30T17:08:20Z

On Sun, Nov 30 2003, Bartlomiej Zolnierkiewicz wrote:
> > Yes, it would be better to have a per-drive (or hwif) extra limiting
> > factor if it is needed. For this case it really isn't, so probably not
> > the best idea :)
> >
> > > Tangent: My non-pessimistic fix will involve submitting a single sector
> > > DMA r/w taskfile manually, then proceeding with the remaining sectors in
> > > another r/w taskfile. This doubles the interrupts on the affected
> > > chipset/drive combos, but still allows large requests. I'm not terribly
> >
> > Or split the request 50/50.
>
> We can't - hardware will lock up.

I know the problem. Then don't split 50/50 to the word, my point was to
split it closer to 50/50 than 1 sector + the rest.

--
Jens Axboe