From owner-freebsd-current@FreeBSD.ORG Fri Aug 5 14:01:47 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 CDA1E16A41F; Fri, 5 Aug 2005 14:01:47 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from mh2.centtech.com (moat3.centtech.com [207.200.51.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6C66243D46; Fri, 5 Aug 2005 14:01:46 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from [10.177.171.220] (neutrino.centtech.com [10.177.171.220]) by mh2.centtech.com (8.13.1/8.13.1) with ESMTP id j75E1kxh081303; Fri, 5 Aug 2005 09:01:46 -0500 (CDT) (envelope-from anderson@centtech.com) Message-ID: <42F3713D.80509@centtech.com> Date: Fri, 05 Aug 2005 09:01:33 -0500 From: Eric Anderson User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.10) Gecko/20050802 X-Accept-Language: en-us, en MIME-Version: 1.0 To: John Baldwin References: <42EFD785.5000409@centtech.com> <200508021648.52520.jhb@FreeBSD.org> <42EFDE40.8030509@centtech.com> <200508021720.45054.jhb@FreeBSD.org> In-Reply-To: <200508021720.45054.jhb@FreeBSD.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-current@FreeBSD.org Subject: Re: Pending issues 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: Fri, 05 Aug 2005 14:01:47 -0000 John Baldwin wrote: > On Tuesday 02 August 2005 04:57 pm, Eric Anderson wrote: > >>John Baldwin wrote: >> >>>On Tuesday 02 August 2005 04:28 pm, Eric Anderson wrote: >>> >>>>Ok, here's a small list of issues pending that I can see on -current >>>>(and I saw these on 6- branch too before 7.0). >>>> >>>>- Time ticks along correctly, but anything using an interval will be 2x >>>>off. For instance - ping will only send a ping every 2 seconds instead >>>>of every second. systat -vmstat 1 refreshes every 2 seconds, etc. >>>>Disabling APIC 'fixes' it. >>> >>>Are you using the i8254 timecounter or some other timecounter? >> >>kern.timecounter.choice: TSC(800) ACPI-fast(1000) i8254(0) dummy(-1000000) >>kern.timecounter.hardware: ACPI-fast >> >>Which is the default (I'm not forcing anything anywhere). I believe at >>one time I tried i8254, but it made no difference. I can try it again >>if you think it's a worthy experiment. > > > I would try both i8254 and TSC and see if it makes a difference. > Can I do this via sysctl, or do I need to rebuild my kernel? Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Anything that works is better than anything that doesn't. ------------------------------------------------------------------------