From owner-freebsd-hackers  Wed Dec 12 15:49:47 2001
Delivered-To: freebsd-hackers@freebsd.org
Received: from apollo.backplane.com (apollo.backplane.com [216.240.41.2])
	by hub.freebsd.org (Postfix) with ESMTP
	id 6319C37B41E; Wed, 12 Dec 2001 15:49:44 -0800 (PST)
Received: (from dillon@localhost)
	by apollo.backplane.com (8.11.6/8.9.1) id fBCNniY23179;
	Wed, 12 Dec 2001 15:49:44 -0800 (PST)
	(envelope-from dillon)
Date: Wed, 12 Dec 2001 15:49:44 -0800 (PST)
From: Matthew Dillon <dillon@apollo.backplane.com>
Message-Id: <200112122349.fBCNniY23179@apollo.backplane.com>
To: Mike Smith <msmith@FreeBSD.ORG>
Cc: Jordan Hubbard <jkh@winston.freebsd.org>, hackers@FreeBSD.ORG,
	msmith@mass.dis.org
Subject: Re: NFS: How to make FreeBSD fall on its face in one easy step 
References:  <200112122345.fBCNjr103779@mass.dis.org>
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-hackers.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-hackers>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-hackers>
X-Loop: FreeBSD.ORG


:
:
:I should point out that FSX can be used against any filesystem, and
:that there are reports locally (at Apple) that it's great for killing
:FreeBSD machines.  I wasn't able to reproduce this when I tried, but I
:may not have let it run long enough.

    Well, I already found and tracked down a softupdates bug revealed
    by this code... definite server panic, especially if an NFSv2 mount
    is used.

    I shot some mail off to Kirk with a proposed fix for that.

    With both NFSv2 and NFSv3 I get user-process bus errors with the 
    truncate()/mmap() combinations being used.  I'm tracking that down
    now.

						-Matt


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message