From owner-freebsd-stable@FreeBSD.ORG Thu Jan 19 20:45:40 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 29D3C1065670 for ; Thu, 19 Jan 2012 20:45:40 +0000 (UTC) (envelope-from lists@rewt.org.uk) Received: from abby.lhr1.as41113.net (abby.lhr1.as41113.net [91.208.177.20]) by mx1.freebsd.org (Postfix) with ESMTP id E06238FC0C for ; Thu, 19 Jan 2012 20:45:39 +0000 (UTC) Received: from jasmine.internethq (unknown [91.208.177.192]) by abby.lhr1.as41113.net (Postfix) with ESMTP id EF8F22284A for ; Thu, 19 Jan 2012 20:45:37 +0000 (UTC) Received: from [172.16.11.44] (jwh-laptop.internethq [172.16.11.44]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by jasmine.internethq (Postfix) with ESMTPS id 51945106A2141; Thu, 19 Jan 2012 20:45:51 +0000 (GMT) Message-ID: <4F1880EF.80505@rewt.org.uk> Date: Thu, 19 Jan 2012 20:45:35 +0000 From: Joe Holden User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: Chuck Swiger References: <4F15D643.8000907@rewt.org.uk> <1326913229.1669.281.camel@revolution.hippie.lan> <4F187752.80409@rewt.org.uk> <4F187A80.70809@rewt.org.uk> <382F41EC-9688-4D79-90EA-CAE0CE373941@mac.com> In-Reply-To: <382F41EC-9688-4D79-90EA-CAE0CE373941@mac.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: FreeBSD Stable Mailing List Subject: Re: Timekeeping in stable/9 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Jan 2012 20:45:40 -0000 Chuck Swiger wrote: > On Jan 19, 2012, at 12:18 PM, Joe Holden wrote: >>> Sounds like you were looking for commercial support, since unpaid volunteers don't have an obligation to promptly leap out and provide solutions within your ETA. >> Not really, just an acknowledgement would be fine. It is what it is, everyday I try to argue in favour of the project, I still use it for myself everywhere but increasingly things happen that just don't on other volunteer projects... it's rather difficult to argue the case when they can install Ubuntu or whatever nonsense distro is the current favourite and it just works. Just a bit more accurate info would solve it, if it doesn't do X reliably, or Y has changed, note it. > > You asked a question and got two or three responses back in a day. You mentioned trying different timekeeping choices, but I don't recall seeing what your kern.timecounter sysctl values looked like; without that, folks are missing info that is likely to be relevant. > > Ah, well.... > > Regards, Yeah my gripe isn't with having no responses, the handful of people that have responded have been helpful but ultimately no responses from anyone involved. Just a one liner saying "we changed the timecounter stuff in 9, look at sysctl tree X" would have been more than sufficient, this sort of thing should really be mentioned in the relnotes though... For the record though, setting kern.eventtimer.periodic to 1 fixes the problem on all affected machines (returns my virtualbox guest to normality, reduces the drift on physical machines to 8.2 figures). FWIW, I can't even see any notes relating to this in UPDATING either.