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=-2.1 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, USER_AGENT_MUTT autolearn=ham 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 21695ECDFBB for ; Fri, 20 Jul 2018 12:31:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C81D320854 for ; Fri, 20 Jul 2018 12:31:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=8bytes.org header.i=@8bytes.org header.b="oZJJsiyA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C81D320854 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388480AbeGTNT5 (ORCPT ); Fri, 20 Jul 2018 09:19:57 -0400 Received: from 8bytes.org ([81.169.241.247]:60382 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732142AbeGTNT4 (ORCPT ); Fri, 20 Jul 2018 09:19:56 -0400 Received: by theia.8bytes.org (Postfix, from userid 1000) id AC0802F9; Fri, 20 Jul 2018 14:31:53 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=8bytes.org; s=mail-1; t=1532089913; bh=exLbZl6ke4xgGi35nXPdmiW1GRvWQaRLKK5kyfgNhQY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=oZJJsiyAwLQdDO2pGp+19C0JQkG0u5Si51sqijDPQ7e/yOkgjSO8W19Z7ehTY904s YtQzjHXyR3EYtKvZyWhLiJ7zEQRe39w7IBH1ztBaMNOd31zbhPC6xLEgNejb45mAhK mIKz5e7HQAcw6itqfAKuWkGH9aSbJpJu6GxXoout94N1wXpgwvMj0Z+OS8KQEJyXWT dXEsIjQOyU5CCs04OWaRe5QiyJzbPFHfTMkCR7H5cYLtI0E5vP59MjPO5169mSC9aB J4ZfbWw5Nr8aFYNqC2t/uOo3URjMFfmPofs2OF78x7MmQ//jVFPyGzUkmcq9/TU8fI dCwQYW/PpQ60g== Date: Fri, 20 Jul 2018 14:31:53 +0200 From: =?iso-8859-1?Q?J=F6rg_R=F6del?= To: Paul Menzel Cc: iommu@lists.linux-foundation.org, Linux Kernel Mailing List Subject: Re: MSI B350M MORTAR: `AMD-Vi: Unable to write to IOMMU perf counter.` and `pci 0000:00:00.2: can't derive routing for PCI INT A` Message-ID: <20180720123153.GC18541@8bytes.org> References: <605ca165-0071-eb7f-4c0d-b1e76ddd0e05@molgen.mpg.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <605ca165-0071-eb7f-4c0d-b1e76ddd0e05@molgen.mpg.de> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Paul, On Tue, Jul 17, 2018 at 06:02:07PM +0200, Paul Menzel wrote: > $ dmesg > […] > [ 0.145696] calling pci_iommu_init+0x0/0x3f @ 1 > [ 0.145719] AMD-Vi: Unable to write to IOMMU perf counter. This is likely a firmware issue. Either the IVRS ACPI table is incorrect or the BIOS did not enable the performance counter feature in the IOMMU hardware. Are you running on the latest BIOS? Joerg