Subject: Re: RL01 support in NetBSD?
To: James Lothian <simul8@simul8.demon.co.uk>
From: Anders Magnusson <ragge@ludd.luth.se>
List: port-vax
Date: 02/18/2000 16:54:04
>
> determined enough to make it work). The RL11, at least, is very
> sensitive
> to other devices doing large amounts of DMA, as it has only a very small
> internal buffer. I had to reduce the DMA burst on my UDA devices to get it
> to share a bus with them successfully. The RLV12, I seem to remember, has 
> a full sector-worth of buffer, so shouldn't be so tricky to deal with.
> 
Do you run BSD on that machine? In that case there is a flag "xclu" that
can be set in the device driver that allocates the bus for exclusive use
for that type of devices. RK05 for example needs that flag to be set.

-- Ragge