From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C87AAC433ED for ; Wed, 5 May 2021 22:02:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 82C20613DD for ; Wed, 5 May 2021 22:02:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230316AbhEEWDp (ORCPT ); Wed, 5 May 2021 18:03:45 -0400 Received: from mail.skyhub.de ([5.9.137.197]:50946 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229691AbhEEWDp (ORCPT ); Wed, 5 May 2021 18:03:45 -0400 Received: from zn.tnic (p200300ec2f0b070001dc1f090e11b831.dip0.t-ipconnect.de [IPv6:2003:ec:2f0b:700:1dc:1f09:e11:b831]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id D86D41EC02E6; Thu, 6 May 2021 00:02:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1620252167; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=NXYsMl5AQdmgOJ9oEQHkvot9C4WwsPfhkFMXbbCFP3M=; b=IU+gXTlGpeBBuEFTHTr6H0Oj4+fgPd7aNw43OVWjWsrMUO6D/2cgYVqZ+V3CamobNo22dK W92tA5trBYc8+XpjzoaqHQZj8WkwpmOyRGLpgMVY5iv0jDYdxZcQtHjV0nfW/D5vz/ERme RLEKp723NO9HDcb66Ya9qUfYluCaBVA= Date: Thu, 6 May 2021 00:02:44 +0200 From: Borislav Petkov To: Tyler Hicks Cc: wangglei , "Lei Wang (DPLAT)" , "mchehab@kernel.org" , "tony.luck@intel.com" , "james.morse@arm.com" , "rric@kernel.org" , "linux-edac@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Hang Li , Brandon Waller Subject: Re: [EXTERNAL] Re: [PATCH] EDAC: update edac printk wrappers to use printk_ratelimited. Message-ID: References: <20210505173027.78428-1-wangglei@gmail.com> <20210505202357.GC4967@sequoia> <20210505214846.GE4967@sequoia> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210505214846.GE4967@sequoia> Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org On Wed, May 05, 2021 at 04:48:46PM -0500, Tyler Hicks wrote: > The thought was that the full stream of log messages isn't necessary to > notice that there's a problem when they are being emitted at such a high > rate (500 per second). They're just filling up disk space and/or wasting > networking bandwidth at that point. I already asked about this but lemme point it out again: have you guys looked at drivers/ras/cec.c ? With that there won't be *any* error reports in dmesg and it will even poison and offline pages which generate excessive errors so that ... > Of course, the best course of action here is to service the machine > but there's still a period of time between the CE errors popping up > and the machine being serviced. ... you'll have ample time to service the machine. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette