Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755226Ab0H0SUu (ORCPT ); Fri, 27 Aug 2010 14:20:50 -0400 Received: from relay3.sgi.com ([192.48.152.1]:56817 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755189Ab0H0SUr (ORCPT ); Fri, 27 Aug 2010 14:20:47 -0400 Date: Fri, 27 Aug 2010 19:20:39 +0100 From: Hedi Berriche To: Petr Tesarik Cc: "Luck, Tony" , "linux-ia64@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: Serious problem with ticket spinlocks on ia64 Message-ID: <20100827182039.GC18967@zorg.emea.sgi.com> Mail-Followup-To: Petr Tesarik , "Luck, Tony" , "linux-ia64@vger.kernel.org" , "linux-kernel@vger.kernel.org" References: <201008271537.35709.ptesarik@suse.cz> <987664A83D2D224EAE907B061CE93D53015D91D029@orsmsx505.amr.corp.intel.com> <201008271916.30369.ptesarik@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201008271916.30369.ptesarik@suse.cz> 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: 801 Lines: 24 On Fri, Aug 27, 2010 at 18:16 Petr Tesarik wrote: | On Friday 27 of August 2010 18:08:03 Luck, Tony wrote: | > > Hedi Berriche sent me a simple test case that can | > > trigger the failure on the siglock. | > | > Can you post the test case please. How long does it typically take | > to reproduce the problem? | | I let Hedi send it. It's really easy to reproduce. In fact, I can reproduce it | within 5 minutes on an 8-CPU system. Test case provided via private email. Cheers, Hedi. -- Hedi Berriche Global Product Support http://www.sgi.com/support -- 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/