From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760636AbYCUSv4 (ORCPT ); Fri, 21 Mar 2008 14:51:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754408AbYCUSvr (ORCPT ); Fri, 21 Mar 2008 14:51:47 -0400 Received: from www.tglx.de ([62.245.132.106]:60668 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753357AbYCUSvq (ORCPT ); Fri, 21 Mar 2008 14:51:46 -0400 Date: Fri, 21 Mar 2008 19:49:45 +0100 (CET) From: Thomas Gleixner To: Gabriel C cc: Gabriel C , "Rafael J. Wysocki" , LKML , Adrian Bunk , Andrew Morton , Linus Torvalds , Natalie Protasevich , andi-bz@firstfloor.org, Ingo Molnar Subject: Re: 2.6.25-rc5-git6: Reported regressions from 2.6.24 In-Reply-To: <47E3FA4F.9060509@frugalware.org> Message-ID: References: <200803170018.52663.rjw@sisk.pl> <47DDB969.1060200@googlemail.com> <47DEB65A.9080907@googlemail.com> <47DF3E8B.6040502@googlemail.com> <47E3D322.1090902@googlemail.com> <47E3E66F.9040006@frugalware.org> <47E3FA4F.9060509@frugalware.org> User-Agent: Alpine 1.00 (LFD 882 2007-12-20) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 21 Mar 2008, Gabriel C wrote: > >> Also, can you please reapply the reverted clocksource patch ? I have > >> the feeling that the acpi_pm one was the real problem which was > >> triggered the modfied watchdog. > > > > Sure I can , will do so in some minutes and let you know. > > It took a bit longer sorry but I have more infos now. > > The acpi_pm was not related to that I still get the problem. > > Of course I still can try to find the commit which magically fixed acpi_pm if you really want. Just if you are really bored. :) I would have asked if it had fixed the TSC issue. > It seems like it breaks only when you enable HT and only on 2 socket motherboards. > ( at least the ones I own , I know is old hardware but worked fine for me ) Hmm. I wonder why a dual socket board survives the initial sync test. > Also disabling the second CPU and enabling HT works , enabling both > CPUs and disabling HT works , booting with enabled HT and both CPUs > but maxcpus=2 also works , booting with 2 CPUs and HT on breaks , > booting with both CPUs HT on but maxcpus=3 breaks also. > > Also I have another dual motherboard here 604 socket with 2 2,4 GHz > Xeon's. The motherboard has the storage controller somewhat broken > but for a quick test it is still good :) and I see the same thing. > > Does that make any sense ? Not really. Can you please revert the reverted revert again and run http://people.redhat.com/mingo/time-warp-test/time-warp-test.c on your machine with all CPUs and HT enabled ? Thanks, tglx