[Soekris] ad0 dying during bootup w/FreeBSD 5.2.1 on 4801

Clemens Zauner czauner at onlineloop.com
Sat Sep 25 09:08:16 UTC 2004


On Fri, 24 Sep 2004 ray at atnip.net wrote:

> The Sandisk that boots and runs fine shows
> ad0: 245MB <SanDisk SDCFH-256> [980/16/32] at ata0-master PIO4
                      ^^^^^^^^^
> the CF that fails during boot shows
> ad0: 245MB <SanDisk SDCFB-256> [980/16/32] at ata0-master WDMA2
                      ^^^^^^^^^
> So my new (or another) question is why is one showing a PIO4 and the
> other a WDMA2?

Ask your vendor :-) there seems to be some HW-difference. Just
tell your FreeBSD to not use DMA (loader.rc)

 set hw.ata.ata_dma=0

I've this on my default images; no matter what CF's are in use.

cu
	Clemens.



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