From owner-freebsd-alpha Mon Jun 17 15:29: 7 2002 Delivered-To: freebsd-alpha@freebsd.org Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by hub.freebsd.org (Postfix) with ESMTP id 96B9237B408; Mon, 17 Jun 2002 15:29:02 -0700 (PDT) Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu [152.3.145.30]) by duke.cs.duke.edu (8.9.3/8.9.3) with ESMTP id SAA04690; Mon, 17 Jun 2002 18:25:44 -0400 (EDT) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.11.6/8.9.1) id g5HMPE325982; Mon, 17 Jun 2002 18:25:14 -0400 (EDT) (envelope-from gallatin@cs.duke.edu) From: Andrew Gallatin MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15630.25034.490934.715927@grasshopper.cs.duke.edu> Date: Mon, 17 Jun 2002 18:25:14 -0400 (EDT) To: Leigh Anderson Cc: freebsd-alpha@FreeBSD.ORG, jhb@FreeBSD.ORG Subject: Re: Slow Timekeeping on AS2100 5/300 In-Reply-To: <1024352005.6447.3.camel@the-luggage.hitz.gen.nz> References: <1024352005.6447.3.camel@the-luggage.hitz.gen.nz> X-Mailer: VM 6.75 under 21.1 (patch 12) "Channel Islands" XEmacs Lucid Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Leigh Anderson writes: > Hello all > > My AS 2100 appears to be keeping time approximately half as fast as the > wall time. E.g. when 5 minutes has elapsed according to the system time, > 10 minutes has passed on the clock. Does anybody have any suggestions on > how I might fix this, or on what I'm doing wrong :) 2100s are bizzare and SMP has always exhibited this behaviour on SMP 2100s. I made some half hearted attempts to fix it about 1 year ago but I never made any progress... John overhauled the SMP timekeepking code within the last year or so & he may understand the problem. Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message