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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 10311ECE58F for ; Mon, 14 Oct 2019 14:10:20 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D3A0B2083B for ; Mon, 14 Oct 2019 14:10:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D3A0B2083B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 708C88E0005; Mon, 14 Oct 2019 10:10:19 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 691C18E0001; Mon, 14 Oct 2019 10:10:19 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5A81B8E0005; Mon, 14 Oct 2019 10:10:19 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0033.hostedemail.com [216.40.44.33]) by kanga.kvack.org (Postfix) with ESMTP id 327D08E0001 for ; Mon, 14 Oct 2019 10:10:19 -0400 (EDT) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id C3B7F4DC7 for ; Mon, 14 Oct 2019 14:10:18 +0000 (UTC) X-FDA: 76042574916.06.metal80_1fc84a2cf6f1f X-HE-Tag: metal80_1fc84a2cf6f1f X-Filterd-Recvd-Size: 1866 Received: from Galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by imf44.hostedemail.com (Postfix) with ESMTP for ; Mon, 14 Oct 2019 14:10:18 +0000 (UTC) Received: from [5.158.153.52] (helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1iK139-0001Ft-NS; Mon, 14 Oct 2019 16:10:15 +0200 Date: Mon, 14 Oct 2019 16:10:15 +0200 (CEST) From: Thomas Gleixner To: "Guilherme G. Piccoli" cc: kvm@vger.kernel.org, linux-acpi@vger.kernel.org, linux-mm@kvack.org, platform-driver-x86@vger.kernel.org, x86@kernel.org, iommu@lists.linux-foundation.org, "Guilherme G. Piccoli" , gavin.guo@canonical.com, halves@canonical.com, ioanna-maria.alifieraki@canonical.com, jay.vosburgh@canonical.com, mfo@canonical.com Subject: Re: Advice on oops - memory trap on non-memory access instruction (invalid CR2?) In-Reply-To: <66eeae28-bfd3-c7a0-011c-801981b74243@canonical.com> Message-ID: References: <66eeae28-bfd3-c7a0-011c-801981b74243@canonical.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Bogosity: Ham, tests=bogofilter, spamicity=0.000014, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, 14 Oct 2019, Guilherme G. Piccoli wrote: > Modules linked in: <...> > CPU: 40 PID: 78274 Comm: qemu-system-x86 Tainted: P W OE Tainted: P - Proprietary module loaded ... Try again without that module Tainted: W - Warning issued before Are you sure that that warning is harmless and unrelated? > 4.4.0-45-generic #66~14.04.1-Ubuntu Does the same problem happen with a not so dead kernel? CR2 handling got quite some updates/fixes since then. Thanks, tglx