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=-4.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 DE89DC433DB for ; Thu, 18 Mar 2021 08:43:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA9ED64EF9 for ; Thu, 18 Mar 2021 08:43:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229624AbhCRIm0 (ORCPT ); Thu, 18 Mar 2021 04:42:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:53074 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229687AbhCRIly (ORCPT ); Thu, 18 Mar 2021 04:41:54 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id 9B1CF64F4D for ; Thu, 18 Mar 2021 08:41:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1616056914; bh=BRa+r/f1AlJRq4jH4I5CN2xR/sI7R2h3+KoqH6sjOEo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=szOa1jz3X0BmW9KgtL5CMReTE1cbVkITh1txKW+wYeLACBX3bka7EYr/rF1/osMqy /4iT6XgyFqJrPOhdZbQ2xQpOfV4EscXhXySCq+ADhLZT488dz9Jw5CB/ep9Bi3momZ Q6ju7JB3jZl6rK2/OjhxlooHNwEKpTX3xBauyWxZy7CmLy9mgOudYDi+jZMmtJSp3o rjf3Hkesj6TSJPZo2TMayCJMfL5Z8e18ibfHtho12RH9spy22dfgg8E7Nfqyz2ARI+ Hrko2PAo2gRNf7SvmHgMMiyXPePKebD/hNEpYaCbWjhaHsNmcYLQjEPrc+2TWQly1C 4EHnRfgrEhHbg== From: bugzilla-daemon@bugzilla.kernel.org To: kvm@vger.kernel.org Subject: [Bug 201753] AMD-Vi: Unable to write to IOMMU perf counter Date: Thu, 18 Mar 2021 08:41:53 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Product: Virtualization X-Bugzilla-Component: kvm X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: info@felicetufo.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D201753 Felice Tufo (info@felicetufo.com) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |info@felicetufo.com --- Comment #27 from Felice Tufo (info@felicetufo.com) --- Good morning, I'm using the latest 5.11.7 kernel on an Aura15 Tuxedo notebook (based on A= md Ryzen 4700U). As far as I can tell, the patch was merged on 5.11.7, but at startup (cold boot) I read: [ 1.888186] pci 0000:00:00.2: AMD-Vi: Unable to read/write to IOMMU perf counter. [ 1.888454] pci 0000:00:00.2: can't derive routing for PCI INT A [ 1.888457] pci 0000:00:00.2: PCI INT A: not connected [ 1.888510] pci 0000:00:01.0: Adding to iommu group 0 [ 1.888537] pci 0000:00:01.3: Adding to iommu group 1 [ 1.888565] pci 0000:00:02.0: Adding to iommu group 2 [ 1.888583] pci 0000:00:02.1: Adding to iommu group 3 [ 1.888600] pci 0000:00:02.2: Adding to iommu group 4 [ 1.888616] pci 0000:00:02.4: Adding to iommu group 5 [ 1.888644] pci 0000:00:08.0: Adding to iommu group 6 [ 1.888663] pci 0000:00:08.1: Adding to iommu group 6 [ 1.888689] pci 0000:00:14.0: Adding to iommu group 7 [ 1.888707] pci 0000:00:14.3: Adding to iommu group 7 [ 1.888764] pci 0000:00:18.0: Adding to iommu group 8 [ 1.888779] pci 0000:00:18.1: Adding to iommu group 8 [ 1.888795] pci 0000:00:18.2: Adding to iommu group 8 [ 1.888810] pci 0000:00:18.3: Adding to iommu group 8 [ 1.888825] pci 0000:00:18.4: Adding to iommu group 8 [ 1.888840] pci 0000:00:18.5: Adding to iommu group 8 [ 1.888855] pci 0000:00:18.6: Adding to iommu group 8 [ 1.888869] pci 0000:00:18.7: Adding to iommu group 8 [ 1.888886] pci 0000:01:00.0: Adding to iommu group 9 [ 1.888906] pci 0000:02:00.0: Adding to iommu group 10 [ 1.888923] pci 0000:03:00.0: Adding to iommu group 11 [ 1.888940] pci 0000:04:00.0: Adding to iommu group 12 [ 1.888959] pci 0000:05:00.0: Adding to iommu group 6 [ 1.888968] pci 0000:05:00.1: Adding to iommu group 6 [ 1.888977] pci 0000:05:00.2: Adding to iommu group 6 [ 1.888985] pci 0000:05:00.3: Adding to iommu group 6 [ 1.888993] pci 0000:05:00.4: Adding to iommu group 6 [ 1.889000] pci 0000:05:00.5: Adding to iommu group 6 [ 1.889008] pci 0000:05:00.6: Adding to iommu group 6 [ 1.891539] pci 0000:00:00.2: AMD-Vi: Found IOMMU cap 0x40 [ 1.891545] pci 0000:00:00.2: AMD-Vi: Extended features (0x206d73ef22254ade): [ 1.891547] PPR X2APIC NX GT IA GA PC GA_vAPIC [ 1.891552] AMD-Vi: Interrupt remapping enabled [ 1.891552] AMD-Vi: Virtual APIC enabled [ 1.891553] AMD-Vi: X2APIC enabled [ 1.891781] AMD-Vi: Lazy IO/TLB flushing enabled --=20 You may reply to this email to add a comment. 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