Subject: Re: Instability of NetBSD 1.2 on Sun3/50
To: None <, port-sun3@NetBSD.ORG>
From: Ty Sarna <>
List: port-sun3
Date: 08/11/1997 18:44:00
In article <> you write:
> now.  I have been noticing that it seems to run fine for about 3 hours
> (of
> actual use), then seg faults on everything leaving me with a plethora of
> core dumps.
> I suspect that it is a swap over NFS problem, but I really don't know.
> Has anyone else seen this behaviour, and if so, what can be done about
> it
> short of spending about $50 US for a funky Sun3 SCSI cable and getting
> an
> external SCSI drive for it?  I would like to keep expenditure to a
> minimum.

Actually, the problem is in the sun3 pmap most probably. It happens on
diskful systems too, especially if dma and reselection are enabled. The
faster filesystem IO is happening, the more likely it is to die. This has
been a _looong_ standing problem with the sun3 port. I think Gordon was
going to look into this some more before he got so busy.

On my diskful 3/60 with dma enabled but reselection not, it's useable,
but sometimes frustrating. named in particular likes to die at
inopportune moments.