From owner-freebsd-hackers Fri Feb 27 03:10:24 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id DAA05001 for freebsd-hackers-outgoing; Fri, 27 Feb 1998 03:10:24 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from dingo.cdrom.com (dingo.cdrom.com [204.216.28.145]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id DAA04992 for ; Fri, 27 Feb 1998 03:10:22 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Received: from dingo.cdrom.com (localhost [127.0.0.1]) by dingo.cdrom.com (8.8.8/8.8.5) with ESMTP id DAA27481; Fri, 27 Feb 1998 03:08:47 -0800 (PST) Message-Id: <199802271108.DAA27481@dingo.cdrom.com> X-Mailer: exmh version 2.0zeta 7/24/97 To: Graham Wheeler cc: hackers@FreeBSD.ORG Subject: Re: Temporary freezes on a Compaq In-reply-to: Your message of "Sat, 27 Feb 1998 13:06:39 +0200." <199802271106.NAA10700@cdsec.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 27 Feb 1998 03:08:47 -0800 From: Mike Smith Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Apparently every so often (quite frequently) all activity on the machine > freezes for 3-4 seconds and then resumes. Or rather, all network activity; > no one is actually working on the console so I don't know whether this > applies to non-network activity as well. I asked him to check the load, > free memory, etc, to try to determine whether it is simply caused by > bus-mastering disk activity; however, it seems the load is not very high > and there is no obvious cause related to disk I/O. > > Has anyone experienced this? Is it perhaps related to the 3C509 driver? > Any suggestions would be appreciated. This sounds like a symptom of a known feature of the 3c509 with FreeBSD, where when an interrupt is lost, all network traffic stops until the timeout handler catches the situation. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message