> aceride0 at pci0 dev 13 function 0
> aceride0: Acer Labs M5229 UDMA IDE Controller (rev. 0xc3)
i notice that openbsd disables some DMA on this device:
if (rev < 0xC4)
sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_ATAPI_DMA;
i guess it isn't stable or our driver is broken, and this is necessary
for at least now.
.mrg.