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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D8C78C433F5 for ; Mon, 31 Jan 2022 15:40:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=M4dLhKp6j7sOETN3pFy8pyv/cRCSOf1QwFOuGxPxPzg=; b=W7n7ko44JoEIs7YM5RUrgNrBcT 6xlItc4C0Otqov5hUXFr0qRlMjCkQPkoD4PkiFCo1FyThJQrNjseYe4tylsCP6Eg5V23T0eVIzOEt RSNqsx4wPZxCW//CwUAnrKeS6UJAsn81FfjudyPqSwuxKf5kjoOZ5fUkyay4fg0Z6WoS8pFrxxWZq BFgf/DCM36F7NntQ9VQ9XOkusFkx/9VuYK67z72tJEWb4v7va9ygl4e9QjfY1M2RGkiC/ktKzAzBm UMAKOTzfqKXBhYfm2uFyOezWOwRFrrT6DxDJWjP44wBGbyabyHLERH9YwdWSIjMyJrmi50qGx/DVT u01CdshQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nEYnJ-009ieJ-LE; Mon, 31 Jan 2022 15:40:41 +0000 Received: from 8bytes.org ([81.169.241.247] helo=theia.8bytes.org) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nEYnH-009ibq-0l for linux-nvme@lists.infradead.org; Mon, 31 Jan 2022 15:40:40 +0000 Received: by theia.8bytes.org (Postfix, from userid 1000) id E61894DC; Mon, 31 Jan 2022 16:40:33 +0100 (CET) Date: Mon, 31 Jan 2022 16:40:32 +0100 From: =?iso-8859-1?Q?J=F6rg_R=F6del?= To: Paul Menzel Cc: Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , linux-nvme@lists.infradead.org, iommu@lists.linux-foundation.org, LKML , Suravee Suthikulpanit Subject: Re: nvme: IO_PAGE_FAULT logged with Intel SSDPEKKF512G8 Message-ID: References: <366b1545-fdea-3423-10a7-308ca2bef746@molgen.mpg.de> <20220118165325.GA3301052@dhcp-10-100-145-180.wdc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220131_074039_247791_56CF3C64 X-CRM114-Status: UNSURE ( 9.48 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Tue, Jan 18, 2022 at 06:01:06PM +0100, Paul Menzel wrote: > > > $ dmesg --level=err > > > [ 4.194306] nvme 0000:01:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x000c address=0xffffc080 flags=0x0050] > > > [ 4.206970] nvme 0000:01:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x000c address=0xffffc000 flags=0x0050] This was caused by a DMA read to a write-only page. Looks like a bug in the driver or the devices firmware. Regards, Joerg