Subject: Re: kernel stack traceback
To: Paul H. Anderson <>
From: Bill Studenmund <>
List: tech-kern
Date: 03/19/1999 12:17:05
On Fri, 19 Mar 1999, Paul H. Anderson wrote:

> This an attachment to this message.  Let me know if you don't like
> attachments.

They are fine. :-)

> > Can you send me that script?
> Likewise. 


> The script uses a program 'maptest' which mmaps all listed files and
> touches each page, forcing it to be pages into vm.  The directory that I
> use for testing had 16 256MB files in it, so it tries to map 4GB of data.
> I ran a test without the maptest, and it paniced.  I put it in thinking it
> might make it panic sooner.  Giving you the source that is useful is
> harder, cause it is part of my software, and I need to split out the
> components that are essential for compilation.

I'm confused. The script causes a panic even w/o the maptest program? Then
for now it's not needed. :-) Though a utility which mmaps a found file
could be cool. :-)

> I sent this reply to the list - please let me know if I don't need to
> reply to the whole group in the future regarding this subject - thanks!

That's fine. :-)

I have a busted system call in our project I need to work on. After that,
I plan on trying this.

How big is the tar file again?


Take care,