On 2008-06-30, sonjaya <sonjaya@gmail.com> wrote:
quoted text
> I have  CF ( compact Flash ) Vgen 1G , and converter ide to cf . I try
> install openbsd 4.3 in cf and succesfully and try first boot i get
> error message like this bellow:
> how to solved  this ?

Your CF card supports DMA transfers, but the adapter doesn't
have the correct lines wired up.

http://marc.info/?l=soekris-tech&m=117879934817861&w=2

quoted text
> pciide0:0:0: bus-master DMA error: missing interrupt, status=0x21
> wd0: transfer error, downgrading to PIO mode 4
> wd0(pciide0:0:0): using PIO mode 4
> wd0c: device timeout reading fsbn 0 (wd0 bn 0; cn 0 tn 0 sn 0), retrying
> wd0: soft error (corrected)
> root on wd0a swap on wd0b dump on wd0b

Ah good, at least your card implements the RESET command so
the automatic downgrade to PIO works.