Messages in this thread | | | Date | Sun, 30 Nov 2003 18:08:06 +0100 | From | Jens Axboe <> | Subject | Re: Silicon Image 3112A SATA trouble |
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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
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