ccd on NATA problem - ata0: FAILURE - oversized DMA transfer attempt 73728 > 65536

YONETANI Tomokazu qhwt+dfly at les.ath.cx
Tue Jul 17 21:41:17 PDT 2007


On Tue, Jul 10, 2007 at 12:58:16PM +0900, YONETANI Tomokazu wrote:
> It worked fine as I tested lightly(-j2 buildworld).  I'll try to test later
> with different max iosize of component devices.

Hi, I tried to reduce the default max_iosize in ata_dmainit()
to 64 * DEV_BSIZE(=32768), expecting that it reduces si_iosize_max
as it's assigned ch->dma->max_iosize in ata_attach(), but now NATA
fails setting up DMA.  Is there any other way to achive the reduced
iosize?

Cheers.





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