From owner-freebsd-chat Thu Apr 5 22:26:10 2001 Delivered-To: freebsd-chat@freebsd.org Received: from fledge.watson.org (fledge.watson.org [204.156.12.50]) by hub.freebsd.org (Postfix) with ESMTP id 75B7C37B43E; Thu, 5 Apr 2001 22:26:08 -0700 (PDT) (envelope-from robert@fledge.watson.org) Received: from fledge.watson.org (robert@fledge.pr.watson.org [192.0.2.3]) by fledge.watson.org (8.11.1/8.11.1) with SMTP id f365Pxh50791; Fri, 6 Apr 2001 01:25:59 -0400 (EDT) (envelope-from robert@fledge.watson.org) Date: Fri, 6 Apr 2001 01:25:58 -0400 (EDT) From: Robert Watson X-Sender: robert@fledge.watson.org To: Brett Glass Cc: John Baldwin , Johann Visagie , Freebsd-chat@FreeBSD.ORG, Dag-Erling Smorgrav Subject: Re: corporate announcement In-Reply-To: <4.3.2.7.2.20010405160153.00e5b4d0@localhost> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Thu, 5 Apr 2001, Brett Glass wrote: > At 11:45 AM 4/5/2001, John Baldwin wrote: > > >The pathfinder ran on a version of VxWorks. > > Yes. Though it was reported at the time that the system was unstable and > had to be rebooted by a watchdog timer at regular intervals. > Fortunately, the embedded system designers who created the probe were > smart enough to build one in. My understanding is that that was a result of an application bug rather than the OS, and had to do with a priority inversion. However, the article I read is pretty distant in my memory, so some references would no doubt be useful. Robert N M Watson FreeBSD Core Team, TrustedBSD Project robert@fledge.watson.org NAI Labs, Safeport Network Services To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message