From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F112515199A; Tue, 1 Jul 2025 12:58:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751374742; cv=none; b=KCeeXJTUENWFmbICa5O5uHYg6uL/ghvsBopThePPcGnssuDG7ZMv+Yk89C5FOUUNjRXXywQZ+i1MzpUNxRWtQnpCGS41LSQbfg7TVjy6+m4xg1g3t6+cn9PbS2sa6bq7kcUK45BwdTZ+U37Ova/6GsV6/IZzRq9FYiI0kgyirzA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751374742; c=relaxed/simple; bh=lhmN5pCn0NAigU26xzVSelUpTaIfuc6BOhdrCn4l+gE=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=BYMgQZ3cypcOIvvc45SduZzArImKtggb9osi4LpbyXp9+1uIEQGmqg2BIKEsnn2w3ehNakVGIwNI7xkJSz0CzwM3H6MpW4vccIWcsnY1KG4GCxi3LoeuVWs2iB02GwOVrHVtZAjgTjLMBRwE0QGhBMSyj+CRlu9xr3qxET7f7uA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4bWjkM1yBrz6M4rV; Tue, 1 Jul 2025 20:58:03 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id 611131402F5; Tue, 1 Jul 2025 20:58:57 +0800 (CST) Received: from localhost (10.122.19.247) by frapeml500008.china.huawei.com (7.182.85.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Tue, 1 Jul 2025 14:58:56 +0200 Date: Tue, 1 Jul 2025 13:58:55 +0100 From: Jonathan Cameron To: "Fabio M. De Francesco" CC: , "Rafael J . Wysocki" , "Len Brown" , Davidlohr Bueso , Dave Jiang , Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Mahesh J Salgaonkar , Oliver O'Halloran , Bjorn Helgaas , Tony Luck , Borislav Petkov , , , , , Subject: Re: [PATCH 2/3 v4] ACPI: extlog: Trace CPER PCI Express Error Section Message-ID: <20250701135855.00004406@huawei.com> In-Reply-To: <20250623145453.1046660-3-fabio.m.de.francesco@linux.intel.com> References: <20250623145453.1046660-1-fabio.m.de.francesco@linux.intel.com> <20250623145453.1046660-3-fabio.m.de.francesco@linux.intel.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: lhrpeml100005.china.huawei.com (7.191.160.25) To frapeml500008.china.huawei.com (7.182.85.71) On Mon, 23 Jun 2025 16:54:19 +0200 "Fabio M. De Francesco" wrote: > I/O Machine Check Architecture events may signal failing PCIe components > or links. The AER event contains details on what was happening on the wire > when the error was signaled. > > Trace the CPER PCIe Error section (UEFI v2.10, Appendix N.2.7) reported > by the I/O MCA. > > Cc: Dan Williams > Reviewed-by: Dave Jiang > Signed-off-by: Fabio M. De Francesco Reviewed-by: Jonathan Cameron