Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755734Ab0FSMtG (ORCPT ); Sat, 19 Jun 2010 08:49:06 -0400 Received: from hera.kernel.org ([140.211.167.34]:48775 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753320Ab0FSMtE (ORCPT ); Sat, 19 Jun 2010 08:49:04 -0400 Message-ID: <4C1CBC8C.8060004@kernel.org> Date: Sat, 19 Jun 2010 14:48:12 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.1.10) Gecko/20100512 Thunderbird/3.0.5 MIME-Version: 1.0 To: Andi Kleen CC: Andy Walls , Daniel Walker , mingo@elte.hu, linux-kernel@vger.kernel.org, jeff@garzik.org, akpm@linux-foundation.org, rusty@rustcorp.com.au, cl@linux-foundation.org, dhowells@redhat.com, arjan@linux.intel.com, johannes@sipsolutions.net, oleg@redhat.com, axboe@kernel.dk Subject: Re: Overview of concurrency managed workqueue References: <87vd9fo1sk.fsf@basil.nowhere.org> <4C1C8263.9040404@kernel.org> <87fx0jo0z6.fsf@basil.nowhere.org> <4C1C8772.8090406@kernel.org> <20100619090851.GF18946@basil.fritz.box> <4C1C8A18.2030709@kernel.org> <20100619091518.GG18946@basil.fritz.box> <4C1C8B32.1040007@kernel.org> <20100619092758.GH18946@basil.fritz.box> <4C1C911B.6040601@kernel.org> <20100619122010.GI18946@basil.fritz.box> In-Reply-To: <20100619122010.GI18946@basil.fritz.box> X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Sat, 19 Jun 2010 12:48:13 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 863 Lines: 24 On 06/19/2010 02:20 PM, Andi Kleen wrote: >> * Do machines ever report that many MCE errors? The usual rate seems >> like one per weeks or months even when they're frequent. > > Yes you can even get a flood when the system or parts > of the system is dying. There's some throttling in the error handling, > but yes in some cases you can get high rates. > >> * If a machine is actually reporting enough errors to overwhelm single >> error handling thread, does it even matter what we do? > > There are cases where you can have many errors but still survive. Alright, adding to todo list. Thanks. -- tejun -- 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/