Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752622Ab0KIPhz (ORCPT ); Tue, 9 Nov 2010 10:37:55 -0500 Received: from am1ehsobe006.messaging.microsoft.com ([213.199.154.209]:14936 "EHLO AM1EHSOBE006.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751521Ab0KIPhy (ORCPT ); Tue, 9 Nov 2010 10:37:54 -0500 X-SpamScore: -31 X-BigFish: VPS-31(z21eRz146fK1432N98dNzz1202h1082kzz8275dh15d4Rz32i2a8h637h61h) X-Spam-TCS-SCL: 0:0 X-Forefront-Antispam-Report: KIP:(null);UIP:(null);IPVD:NLI;H:ausb3extmailp01.amd.com;RD:none;EFVD:NLI X-WSS-ID: 0LBMJEO-02-88V-02 X-M-MSG: Date: Tue, 9 Nov 2010 16:38:05 +0100 From: Borislav Petkov To: Clemens Ladisch CC: Andrew Lutomirski , , Thomas Gleixner , Peter Zijlstra , Ingo Molnar , "H. Peter Anvin" , x86 Subject: Re: HPET (?) related hangs and breakage in 2.6.35,36 Message-ID: <20101109153805.GB3146@kryptos.osrc.amd.com> Mail-Followup-To: Borislav Petkov , Clemens Ladisch , Andrew Lutomirski , linux-kernel@vger.kernel.org, Thomas Gleixner , Peter Zijlstra , Ingo Molnar , "H. Peter Anvin" , x86 References: <4CD966D8.4000602@ladisch.de> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline In-Reply-To: <4CD966D8.4000602@ladisch.de> User-Agent: Mutt/1.5.20 (2009-06-14) X-OriginatorOrg: amd.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1410 Lines: 37 On Tue, Nov 09, 2010 at 04:20:56PM +0100, Clemens Ladisch wrote: > Andrew Lutomirski wrote: > > After several minutes of uptime, my system freezes in a strange way. > > All of userspace and some kernel services freeze hard (no mouse, no > > typing, etc.) Caps-lock works intermittently, as does (I think) > > pinging. The only debug output I've been able to get is this (typed > > from a blurry photo because netconsole dies along with everything > > else): > > > > [ 5478.244722] Clocksource tsc unstable (delta = 101399051316 ns) > > [ 5478.367958] Switching to clocksource hpet > > [ 5543.729698] BUG: soft lockup - CPU #1 stuck for 61s! [migration/1:6] > > Looks like this one: > http://lkml.org/lkml/2010/10/26/126 I don't think so: the one at the URL above is 37-rc1 specific (issue came in during the merge window) while Andrew's problem can be reproduced with 35 and 36, reportedly. Anyway, adding more people to Cc. -- Regards/Gruss, Boris. Advanced Micro Devices GmbH Einsteinring 24, 85609 Dornach General Managers: Alberto Bozzo, Andrew Bowd Registration: Dornach, Gemeinde Aschheim, Landkreis Muenchen Registergericht Muenchen, HRB Nr. 43632 -- 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/