From owner-freebsd-current@FreeBSD.ORG Thu Jun 23 20:59:21 2005 Return-Path: X-Original-To: freebsd-current@FreeBSD.org Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 416C216A41C; Thu, 23 Jun 2005 20:59:21 +0000 (GMT) (envelope-from schweikh@schweikhardt.net) Received: from bremen.shuttle.de (bremen.shuttle.de [194.95.249.251]) by mx1.FreeBSD.org (Postfix) with ESMTP id EF14243D55; Thu, 23 Jun 2005 20:59:20 +0000 (GMT) (envelope-from schweikh@schweikhardt.net) Received: by bremen.shuttle.de (Postfix, from userid 10) id B142E3B8D3; Thu, 23 Jun 2005 22:59:18 +0200 (CEST) Received: from hal9000.schweikhardt.net (localhost [127.0.0.1]) by hal9000.schweikhardt.net (8.13.3/8.13.3) with ESMTP id j5NKwsM6001103; Thu, 23 Jun 2005 22:58:54 +0200 (CEST) (envelope-from schweikh@hal9000.schweikhardt.net) Received: (from schweikh@localhost) by hal9000.schweikhardt.net (8.13.3/8.13.3/Submit) id j5NKwsof001102; Thu, 23 Jun 2005 22:58:54 +0200 (CEST) (envelope-from schweikh) Date: Thu, 23 Jun 2005 22:58:54 +0200 From: Jens Schweikhardt To: John Baldwin Message-ID: <20050623205854.GA763@schweikhardt.net> References: <20050516113420.GA786@schweikhardt.net> <200506201344.10176.jhb@FreeBSD.org> <20050621195113.GB840@schweikhardt.net> <200506221057.48595.jhb@FreeBSD.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200506221057.48595.jhb@FreeBSD.org> User-Agent: Mutt/1.5.9i Cc: freebsd-current@FreeBSD.org Subject: Re: Timekeeping hosed by factor 3, high lapic[01] interrupt rates X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Jun 2005 20:59:21 -0000 John et al, On Wed, Jun 22, 2005 at 10:57:47AM -0400, John Baldwin wrote: # On Tuesday 21 June 2005 03:51 pm, Jens Schweikhardt wrote: # > John, # > # > # > See # > http://lists.freebsd.org/pipermail/freebsd-current/2005-May/050210.html # > # > for the whole thread. # > # # > # I did glance over it, but I don't really have time to read every e-mail # > on # current@ in detail. :( Do you have verbose dmesg's for both cases? # > If so, # can you get the 'lapic: Divisor' lines from each boot? # > # > Sure, they are the same: # > lapic: Divisor 2, Frequency 99829738 hz # > # > It appears Chris Gilbert has the same problem, see "Timekeeping gone # > whack in 6-CURRENT" on this list. # # Ok, this is weird. Does this happen if you disable SMP via # 'kern.smp.disabled=1' from the loader? No, with "set kern.smp.disabled=1" at the loader prompt, timekeeping is ok and vmstat -i displays interrupt total rate irq1: atkbd0 684 3 irq13: npx0 1 0 irq14: ata0 63 0 irq15: ata1 109 0 irq18: em0 27 0 irq24: ahd0 23192 106 irq25: ahc0 16 0 lapic0: timer 430979 1986 Total 455071 2097 Regards, Jens -- Jens Schweikhardt http://www.schweikhardt.net/ SIGSIG -- signature too long (core dumped)