Subject: Re: Kernel for ATAPI and Powertec
To: None <port-arm32@NetBSD.ORG>
From: Stefan Voss <voss@yoda.in-berlin.de>
List: port-arm32
Date: 04/09/1997 08:17:32
In message <19970409.031753.11@y0001006.tu-bs.de>
     Thomas Boroske wrote:

> [...]
> > 
> > So atm PTec users have to live with the slow disk access.
> 
> That's OK, I mean I knew that before :-))
> 
> But I seem to remember reading something about that the interrupt driven 
> PTec drivers shouldn't stop the system while accessing the disc anymore
> (unlike the even earlier polling ones).
> 
> That is, my system goes totally unusuable whenever I start a command that 
> accesses the disc.

What do you mean by "unusuable"? Can you give an example?

> So do all currently made kernels use the interrupt powertec driver ?

I guess so.

> 
> Or are these hiccups caused by something else ???

I actually have two RiscBSD installations, one is on an IDE disk and
the other one is on a PTec driven SCSI disk. If you give an example I can
test it with both installation to see if the disk access makes the
difference.


> Thomas Boroske
> 

Regards,
   Stefan

-- 
Stefan Voss
(voss@yoda.in-berlin.de)