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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 2C52EC43467 for ; Thu, 8 Oct 2020 08:23:00 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7984321531 for ; Thu, 8 Oct 2020 08:22:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7984321531 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 044AF86E3A; Thu, 8 Oct 2020 08:22:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ACPLLEzVSqYz; Thu, 8 Oct 2020 08:22:58 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id EC92C86E36; Thu, 8 Oct 2020 08:22:57 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id D348AC016F; Thu, 8 Oct 2020 08:22:57 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id D50CEC0051 for ; Thu, 8 Oct 2020 08:22:56 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id BA7B586A5B for ; Thu, 8 Oct 2020 08:22:56 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZXdb7YPojrbK for ; Thu, 8 Oct 2020 08:22:55 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 5166686A42 for ; Thu, 8 Oct 2020 08:22:55 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id EBE192FB; Thu, 8 Oct 2020 10:22:51 +0200 (CEST) Date: Thu, 8 Oct 2020 10:22:49 +0200 From: Joerg Roedel To: Bjorn Helgaas Subject: Re: [Bug 209321] DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set Message-ID: <20201008082249.GA3107@8bytes.org> References: <20201007154314.GA3245607@bjorn-Precision-5520> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201007154314.GA3245607@bjorn-Precision-5520> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: linux-pci@vger.kernel.org, iommu@lists.linux-foundation.org, Len Brown , linux-kernel@vger.kernel.org, Todd Brandt X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Hi Bjorn, On Wed, Oct 07, 2020 at 10:43:14AM -0500, Bjorn Helgaas wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=209321 > > Not much detail in the bugzilla yet, but apparently this started in > v5.8.0-rc1: > > DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set > > Currently assigned to Driver/PCI, but not clear to me yet whether PCI > is the culprit or the victim. Thanks for the heads-up, looks like Intel is already on it. Regards, Joerg _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu