Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751323AbWHRJdg (ORCPT ); Fri, 18 Aug 2006 05:33:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751321AbWHRJdg (ORCPT ); Fri, 18 Aug 2006 05:33:36 -0400 Received: from embla.aitel.hist.no ([158.38.50.22]:46211 "HELO embla.aitel.hist.no") by vger.kernel.org with SMTP id S1751323AbWHRJdf (ORCPT ); Fri, 18 Aug 2006 05:33:35 -0400 Message-ID: <44E588AB.3050900@aitel.hist.no> Date: Fri, 18 Aug 2006 11:30:19 +0200 From: Helge Hafting User-Agent: Thunderbird 1.5.0.4 (X11/20060713) MIME-Version: 1.0 To: Andi Kleen CC: john stultz , Helge Hafting , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: 2.6.18-rc4-mm1 - time moving at 3x speed! References: <20060813012454.f1d52189.akpm@osdl.org> <20060817224448.GB3616@aitel.hist.no> <1155856550.31755.142.camel@cog.beaverton.ibm.com> <200608181134.02427.ak@suse.de> In-Reply-To: <200608181134.02427.ak@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1410 Lines: 41 Andi Kleen wrote: > On Friday 18 August 2006 01:15, john stultz wrote: > >> On Fri, 2006-08-18 at 00:44 +0200, Helge Hafting wrote: >> >>> I got 2.6.18-rc4-mm1 going, and it appears that system >>> moves at about 3x normal speed. A software clock need 3 >>> seconds to advance 10 seconds, for example. >>> >>> Everything else seems faster too, the keyboard autorepeat, >>> delay loops in games, and so on. >>> >>> Guess I could live with this, if it'd also compile >>> 3x faster. :-/ >>> >>> This is a x86-64 kernel, with the jiffies hotfix applied. >>> >> Sounds like the same issue Gregorie Favre is dealing with. >> >> Please send full dmesg output. >> >> Does 2.6.18-rc4, or 2.6.18-rc3-mm2 have this issue >> > > FWIW i looked through the x86-64 patch changes between > rc3-mm2 and rc4-mm1 and I can't find anything that would be remotely > related to the timer. > > If it's confirmed to have regressed in this time it would require a binary > search to track down I think. > I have narrowed it down. 2.6.18-rc4 does not have the 3x time problem, while mm1 have it. mm1 without the hotfix jiffies patch is just as bad. Helge Hafting - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/