Subject: Re: How bug free is our NFS?
To: Brian Chase <>
From: Jason R Thorpe <>
List: tech-kern
Date: 01/13/2002 09:50:49
On Sun, Jan 13, 2002 at 09:07:45AM -0800, Brian Chase wrote:

 > I'd recently read this discussion on on the site about a
 > tool named 'fsx', originally developed by NeXT, which is used to test
 > and verify proper behavior in NFS and other filesystems.  Both FreeBSD
 > and Linux are mentioned as having problems.
 >   Major NFS Bugs Found & Being Fixed
 > I looked through the recent archives of tech-kern but I didn't see any
 > reference to fsx there.  So, this would be worth investigating if it
 > hasn't been already.

Frank van der Linden used "fsx" on a 1.5 and a -current system.  Only
one bug was found in the 1.5 branch (and fixed, I believe), and that
bug plus one other bug were found in -current (which were also fixed).

That is to say, we had significantly fewer bugs in our code than other
systems did.

        -- Jason R. Thorpe <>