Received: by 10.192.165.148 with SMTP id m20csp12806imm; Thu, 19 Apr 2018 12:05:12 -0700 (PDT) X-Google-Smtp-Source: AIpwx4/wDWS/j+KvwrQuL7v4xexEey6YuNTKwG6Pcx/20iQ3RsvcmyqhlNobWE1h/Oj+VNcSXorY X-Received: by 2002:a17:902:67c2:: with SMTP id g2-v6mr7218394pln.93.1524164712704; Thu, 19 Apr 2018 12:05:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1524164712; cv=none; d=google.com; s=arc-20160816; b=ApnZXz47jVdWUOk+cKoYz/6AFCLwiqkEQrnIS1/1QGLUrMpfy+sTsVftlvaCRfZlYc 9yi6+FcE4uiscy+PpEJnoymyIrZGOabD5BVRCiZLp29do1RX4Phh66uET2fZEuqSxF54 JrYR3PqErPyCKJaCM8oAWKtEXdeY40DKIXnHPOAZA3FCUpnqKPFVw3RB0K3k+GjnEvdB 0v0wI1Vuh+ovgbj/w0UH7gKDN7IbJEm4IzDLZKHVWOzUri+HAoj3GDAjRFpUuP9b1YEc MQgMqiYlW/CzElkUx/ZEn49l1AkxqxbOEGpO7IhjYtteShGdh4BDzDqjD2mqTolOmayR uzKg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=bEKVUPan7GQNiGWGD9yMW8rRMhr9gTxKygh4IQE7doU=; b=UDkBdb4RlA8HqY5uiwwGITXrndJvXWnNJUrnd4XHwBGzmAU4Enpr7HeDC3at2FGQJ9 /za41j+FEGOk+hXcEiDat/H57EzmsFX1mq2F0dRwaXQ1FQ4fm4y4OTiTWZ1/SUFEt8VJ dbyRZa/9mFRSIwUFaHP55wO8/SgPrgs5zyHET55gw/HvC7HKknIgWX9icsD7U0YGi1Fs nEPNoCkLfvksHXT1J6UkSGrdjxlzQamvh5h8Kyv5i6qtIAar+ymPS7/Fj8hSsGtMCZC2 ThQFoL/qt//wfm6uOwQV2V4juvNZV7bMbyrHRsfpY+NRI2ICwBS8c/d23V58tRcf0ZAS D42A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u7si3177713pgv.251.2018.04.19.12.04.54; Thu, 19 Apr 2018 12:05:12 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753361AbeDSTDq (ORCPT + 99 others); Thu, 19 Apr 2018 15:03:46 -0400 Received: from mail.skyhub.de ([5.9.137.197]:43150 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753074AbeDSTDo (ORCPT ); Thu, 19 Apr 2018 15:03:44 -0400 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id S0ExQRBVmmul; Thu, 19 Apr 2018 21:03:27 +0200 (CEST) Received: from pd.tnic (p200300EC2BCA860039E42A6993E906A9.dip0.t-ipconnect.de [IPv6:2003:ec:2bca:8600:39e4:2a69:93e9:6a9]) (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 40F7D1EC023A; Thu, 19 Apr 2018 21:03:27 +0200 (CEST) Date: Thu, 19 Apr 2018 21:03:23 +0200 From: Borislav Petkov To: "Alex G." Cc: linux-acpi@vger.kernel.org, linux-edac@vger.kernel.org, rjw@rjwysocki.net, lenb@kernel.org, tony.luck@intel.com, tbaicar@codeaurora.org, will.deacon@arm.com, james.morse@arm.com, shiju.jose@huawei.com, zjzhang@codeaurora.org, gengdongjiu@huawei.com, linux-kernel@vger.kernel.org, alex_gagniuc@dellteam.com, austin_bolen@dell.com, shyam_iyer@dell.com, devel@acpica.org, mchehab@kernel.org, robert.moore@intel.com, erik.schmauss@intel.com Subject: Re: [RFC PATCH v2 3/4] acpi: apei: Do not panic() when correctable errors are marked as fatal. Message-ID: <20180419190323.GF5635@pd.tnic> References: <20180416215903.7318-1-mr.nuke.me@gmail.com> <20180416215903.7318-4-mr.nuke.me@gmail.com> <20180418175415.GJ4795@pd.tnic> <20180419154006.GE3600@pd.tnic> <977608e6-9f5d-c523-a78a-993ac5bfd55f@gmail.com> <20180419164528.GD5635@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.3 (2018-01-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (snip useful explanation). On Thu, Apr 19, 2018 at 12:40:54PM -0500, Alex G. wrote: > On the r740xd, FW just hides those errors from the OS with no further > notification. On this machine BIOS sets things up such that non-posted > requests report fatal (PCIe) errors. FW still tries very hard to hide > this from the OS, and I think the heuristic is that if the drive > physical presence is gone, don't even report the error. Ok, second question: can you detect from the error signatures alone that it was a surprise removal? How does such an error look like, in detail? Got error logs somewhere to dump? Thx. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.