Subject: Re: TOTAL CRASH after trying to use DMA and interrupts
To: None <Brett_Glass@ccgate.infoworld.com>
From: Gordon W. Ross <gwr@mc.com>
List: port-sun3
Date: 02/05/1996 11:44:07
> Date: Sun, 04 Feb 96 22:40:01 PST
> From: "Brett Glass" <Brett_Glass@ccgate.infoworld.com>

> After a painstaking, hours-long network install, I found the system to be
> quite slo, so I tried to set si_options = 3 as in the instructions.
> I suspected something was odd when gdb said it could find no debugging
> symbols, but I followed the instructions to the letter. The result: when I
> rebooted, the filesystem was so corrupt I couldn't recover a thing with
> fsck. I had to start installing again -- a multi-step process since, as
> mentioned an earlier message, I had to use Sun's MUNIX to get the miniroot
> loaded from tape.
> 
> What went wrong? Dare I try again?

What kind of machine?  Note that the Sun3/50 has to use si_options=0
until someone comes up with a work-around for the DMA hardware bug
on the Sun3/50.

What happened with the NetBSD boot tape?

Gordon