Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758484AbYGQLG2 (ORCPT ); Thu, 17 Jul 2008 07:06:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755204AbYGQLGT (ORCPT ); Thu, 17 Jul 2008 07:06:19 -0400 Received: from www.tglx.de ([62.245.132.106]:50829 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751941AbYGQLGS (ORCPT ); Thu, 17 Jul 2008 07:06:18 -0400 Date: Thu, 17 Jul 2008 13:05:43 +0200 (CEST) From: Thomas Gleixner To: Richard cc: Thomas Renninger , Ingo Molnar , linux-kernel , "andreas.herrmann3" , eumaster@gmail.com, uli.geins@geins-web.de Subject: Re: [PATCH] Re: AMD Mobile Semprons (3500+, 3600+,...) break with nohz and highres enabled In-Reply-To: <487F309D.20709@gmail.com> Message-ID: References: <1213638474.1684.21.camel@queen.suse.de> <200807161827.16898.trenn@suse.de> <200807171232.46542.trenn@suse.de> <487F309D.20709@gmail.com> User-Agent: Alpine 1.10 (LFD 962 2008-03-14) 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 Content-Length: 1578 Lines: 47 On Thu, 17 Jul 2008, Richard wrote: > > north-bridge: nvidia c51mv > > south-bridge: nvidia mcp51m > > > > Also both are MSI laptops: > > - MSI-M670, modell MS-1632 > > - MSI S430x > > (This could also be a chipset or even an MSI specific BIOS bug? > > Richard could you compare with your HW, pls if still possible). > > > > Some more info: > > - things break entering C2 or deeper > > - noapictimer workaround helps to come a bit further, but results in sever > > other errors, disk(dma error), keyboad, mouse etc., also see: Hmm, I don't see how the apic timer is related to that, but it might be a problem with the hpet. Does "noapictimer nohz=off" work ? > > https://bugzilla.novell.com/show_bug.cgi?id=396220#c13 > > - "nohz=off" works (tested on 2.6.25.4-8-pae and 2.6.22.17-0.1-default > > SUSE kernels) > > - processor.max_cstate=1 works Why does it work with 2.6.24 on kubuntu 8.04 ? How does a 2.6.24/25/26 vanilla kernel behave on those systems ? > > 00:09.0 RAM memory: nVidia Corporation MCP51 Host Bridge (rev a2) > > Here is a dump from lspci.... looks completely different :-P and here i was > blaming ATI :-) > > 00:00.0 Host bridge: ATI Technologies Inc RS690 Host Bridge Oh, that's a different beast, but it might be also a problem with the timer interrupt routing. Thanks, tglx -- 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/