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=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 9B56BC388F2 for ; Mon, 2 Nov 2020 16:24:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 55F0A208B6 for ; Mon, 2 Nov 2020 16:24:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726771AbgKBQYE convert rfc822-to-8bit (ORCPT ); Mon, 2 Nov 2020 11:24:04 -0500 Received: from mail.kernel.org ([198.145.29.99]:38032 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726613AbgKBQYE (ORCPT ); Mon, 2 Nov 2020 11:24:04 -0500 From: bugzilla-daemon@bugzilla.kernel.org To: kvm@vger.kernel.org Subject: [Bug 209867] CPU soft lockup/stall with nested KVM and SMP Date: Mon, 02 Nov 2020 16:24:03 +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: high X-Bugzilla-Who: frantisek@sumsal.cz 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: Message-ID: In-Reply-To: References: 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 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=209867 --- Comment #3 from Frantisek Sumsal (frantisek@sumsal.cz) --- Clarification: the issue seems to appear only on AMD CPUs. I went through several runs and tests in the "AMD[0] rack" suffer from the soft lockup above, but the same workload passes on machines from the "Intel[1] rack" [0] AMD Opteron 63xx class CPU (family: 0x15, model: 0x2, stepping: 0x0) [1] Intel(R) Xeon(R) CPU E3-1265L V2 @ 2.50GHz (family: 0x6, model: 0x3a, stepping: 0x9) -- You are receiving this mail because: You are watching the assignee of the bug.