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=-1.0 required=3.0 tests=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 AB76FC432C1 for ; Mon, 23 Sep 2019 23:07:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 76F6921BE5 for ; Mon, 23 Sep 2019 23:07:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2407847AbfIWXG7 convert rfc822-to-8bit (ORCPT ); Mon, 23 Sep 2019 19:06:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:51790 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729174AbfIWXG7 (ORCPT ); Mon, 23 Sep 2019 19:06:59 -0400 From: bugzilla-daemon@bugzilla.kernel.org To: kvm@vger.kernel.org Subject: [Bug 204975] New: AMD-Vi: Command buffer timeout Date: Mon, 23 Sep 2019 23:06:58 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new 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: blocking X-Bugzilla-Who: sss123next@list.ru 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: bug_id short_desc product version cf_kernel_version rep_platform op_sys cf_tree bug_status bug_severity priority component assigned_to reporter cf_regression attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=204975 Bug ID: 204975 Summary: AMD-Vi: Command buffer timeout Product: Virtualization Version: unspecified Kernel Version: 4.19.75 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: blocking Priority: P1 Component: kvm Assignee: virtualization_kvm@kernel-bugs.osdl.org Reporter: sss123next@list.ru Regression: No Created attachment 285127 --> https://bugzilla.kernel.org/attachment.cgi?id=285127&action=edit dmesg fragment with error i have "ASRock X470 Gaming K4" motherboard, and using pci-passthrough for sometime already, working fine on bios version 1.90, had some troubles, but working overall, unfortunately i decided to update bios to latest versions (3.40, 3.50), and pci-passthrough stopped work at all, i guess problem rerlated to new "AMD AGESA Combo-AM4 1.0.0.3", a little searching over internet confirms what it's common problem across different boards, i do not know exactly is it amd bug, kvm, bug, or kernel bug, i have already reported problem to board manufacturer. in console i get something like "vfio: cannot power on device, stuck in D3" from qemu. also a lot of warnings in dmesg (see attachments). device still visible in lspci, but looks completely unresponsive. -- You are receiving this mail because: You are watching the assignee of the bug.