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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47218C83F2C for ; Mon, 4 Sep 2023 10:39:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349302AbjIDKjv (ORCPT ); Mon, 4 Sep 2023 06:39:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234139AbjIDKju (ORCPT ); Mon, 4 Sep 2023 06:39:50 -0400 Received: from out30-112.freemail.mail.aliyun.com (out30-112.freemail.mail.aliyun.com [115.124.30.112]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C70161B5; Mon, 4 Sep 2023 03:39:46 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R211e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046049;MF=xueshuai@linux.alibaba.com;NM=1;PH=DS;RN=16;SR=0;TI=SMTPD_---0VrJdE4N_1693823980; Received: from 30.240.117.141(mailfrom:xueshuai@linux.alibaba.com fp:SMTPD_---0VrJdE4N_1693823980) by smtp.aliyun-inc.com; Mon, 04 Sep 2023 18:39:42 +0800 Message-ID: Date: Mon, 4 Sep 2023 18:39:39 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Subject: Re: [PATCH] HWPOISON: add a pr_err message when forcibly send a sigbus To: "Luck, Tony" , Will Deacon Cc: "catalin.marinas@arm.com" , "James.Bottomley@HansenPartnership.com" , "deller@gmx.de" , "dave.hansen@linux.intel.com" , "Lutomirski, Andy" , "peterz@infradead.org" , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "x86@kernel.org" , "hpa@zytor.com" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-parisc@vger.kernel.org" References: <20230819102212.21103-1-xueshuai@linux.alibaba.com> <20230821105025.GB19469@willie-the-truck> <44c4d801-3e21-426b-2cf0-a7884d2bf5ff@linux.alibaba.com> <54114b64-4726-da46-8ffa-16749ec0887a@linux.alibaba.com> <20230830221814.GB30121@willie-the-truck> Content-Language: en-US From: Shuai Xue In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2023/9/1 00:56, Luck, Tony wrote: >> + @Tony for ERST >> I found that after /dev/mcelog driver deprecated, both x86 and ARM64 platform does not >> support to collect MCE record of previous boot in persistent storage via APEI ERST. >> I propose to add a mechanism to do it for rasdaemon. Do you have any suggestion? > > APEI ERST stored records should be available in /sys/fs/pstore after the system reboots. > > Can rasdaemon collect them from there? I am afraid not yet. I will give it a shot and try to send a patch set. > > -Tony Thank you. Best Regards, Shuai