Subject: Re: port-sparc/7860: crashme will rapidly panic NetBSD/sparc 1.4
To: Paul Kranenburg <pk@cs.few.eur.nl>
From: David Brownlee <abs@anim.dreamworks.com>
List: port-sparc
Date: 06/27/1999 23:29:12
On Sun, 27 Jun 1999, Paul Kranenburg wrote:
> Historically, unhandled user generated traps would end up in panic()
> on the sparc. Last time I was near that code, I made that behaviour
> optional (but left the default as was) by introducing the patchable
> variable `ignore_bogus_traps'.
>
> At that time, I ran `crashme' continuously for a week on a Sparc Classic,
> with no ill effects except slowing down my kernel builds.
>
> I guess it's time to invert the default value of `ignore_bogus_traps'.
>
> The sun4 crash problem on the other hand, is very real and appears
> to be caused by pointers going astray. I'm looking into this.
Well.. I have good news and bad news. With ignore_bogus_traps set to
1 it passes that crashme area without problem, but later on the
machine hangs hard (L1+A no effect).
The necessary magic to kill it this time was:
crashme +2000.0 816 100
David/absolute
"Its just another ultimate battle of good against evil..."