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 smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 9AE3EC43334 for ; Thu, 23 Jun 2022 11:33:27 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 07EC8424B7; Thu, 23 Jun 2022 11:33:27 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 07EC8424B7 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id chWX3wJ1neDo; Thu, 23 Jun 2022 11:33:26 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp4.osuosl.org (Postfix) with ESMTPS id 9DD7441A41; Thu, 23 Jun 2022 11:33:25 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 9DD7441A41 Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6490CC0039; Thu, 23 Jun 2022 11:33:25 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 0AF74C002D for ; Thu, 23 Jun 2022 11:33:24 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id D8A9840593 for ; Thu, 23 Jun 2022 11:33:23 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org D8A9840593 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id k6uuXTeGSUrq for ; Thu, 23 Jun 2022 11:33:23 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 468604019C Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by smtp2.osuosl.org (Postfix) with ESMTPS id 468604019C for ; Thu, 23 Jun 2022 11:33:23 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id F0CE44D2; Thu, 23 Jun 2022 13:33:19 +0200 (CEST) Date: Thu, 23 Jun 2022 13:33:18 +0200 From: Joerg Roedel To: Robin Murphy Subject: Re: [PATCH v2] iommu/dma: Add config for PCI SAC address trick Message-ID: References: <3f06994f9f370f9d35b2630ab75171ecd2065621.1654782107.git.robin.murphy@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Cc: iommu@lists.linux-foundation.org, will@kernel.org, linux-kernel@vger.kernel.org, hch@lst.de 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" On Wed, Jun 22, 2022 at 02:12:39PM +0100, Robin Murphy wrote: > Thanks for your bravery! It already starts, with that patch I am getting: xhci_hcd 0000:02:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x000f address=0xff00ffffffefe000 flags=0x0000] In my kernel log. The device is an AMD XHCI controller and seems to funciton normally after boot. The message disappears with iommu.forcedac=0. Need to look more into that... _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu