Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753140AbZCIJeX (ORCPT ); Mon, 9 Mar 2009 05:34:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751980AbZCIJeG (ORCPT ); Mon, 9 Mar 2009 05:34:06 -0400 Received: from mtagate4.de.ibm.com ([195.212.29.153]:63110 "EHLO mtagate4.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752077AbZCIJeE (ORCPT ); Mon, 9 Mar 2009 05:34:04 -0400 Date: Mon, 9 Mar 2009 10:33:54 +0100 From: Hendrik Brueckner To: Frans Pop Cc: Peter Zijlstra , linux-s390@vger.kernel.org, Hendrik Brueckner , Ingo Molnar , Linux Kernel Mailing List Subject: Re: [BUG,2.6.29-rc7,s390] System goes into endless loop during boot or logon Message-ID: <20090309093354.GA4124@cetus.boeblingen.de.ibm.com> Mail-Followup-To: Hendrik Brueckner , Frans Pop , Peter Zijlstra , linux-s390@vger.kernel.org, Ingo Molnar , Linux Kernel Mailing List References: <200903080835.14032.elendil@planet.nl> <200903090253.34173.elendil@planet.nl> <1236587118.8389.20.camel@laptop> <200903091025.53284.elendil@planet.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200903091025.53284.elendil@planet.nl> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 942 Lines: 26 On Mon, Mar 09, 2009 at 10:25:51AM +0100, Frans Pop wrote: > > Where? Do you have NMI watchdog output, or even sysrq-t? > > I'm afraid I have no idea. > > AFAICT s390 does not have an NMI watchdog. And I have no idea how I could > trigger a sysrq given that I can't login and only have a dumb console or > SSH session to work with anyway. If SSH works, try to trigger the sysrq function trough /proc/sysrq-trigger, e.g. echo l > /proc/sysrq-trigger Regards Hendrik Brueckner -- IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter Geschaeftsfuehrung: Erich Baier Sitz der Gesellschaft: Boeblingen Registergericht: Amtsgericht Stuttgart, HRB 243294 -- 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/