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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 E21ABC04AAF for ; Tue, 21 May 2019 14:11:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C200121773 for ; Tue, 21 May 2019 14:11:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728045AbfEUOLD (ORCPT ); Tue, 21 May 2019 10:11:03 -0400 Received: from mga04.intel.com ([192.55.52.120]:18089 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727819AbfEUOLC (ORCPT ); Tue, 21 May 2019 10:11:02 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 May 2019 07:11:02 -0700 X-ExtLoop1: 1 Received: from sjchrist-coffee.jf.intel.com (HELO linux.intel.com) ([10.54.74.36]) by fmsmga004.fm.intel.com with ESMTP; 21 May 2019 07:11:02 -0700 Date: Tue, 21 May 2019 07:11:01 -0700 From: Sean Christopherson To: bugzilla-daemon@bugzilla.kernel.org Cc: kvm@vger.kernel.org Subject: Re: [Bug 203543] Starting with kernel 5.1.0-rc6, kvm_intel can no longer be loaded in nested kvm/guests Message-ID: <20190521141101.GB22089@linux.intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Tue, May 21, 2019 at 01:37:42PM +0000, bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=203543 > > --- Comment #10 from moi@davidchill.ca --- > Reverting both commits solves this problem: > > f93f7ede087f2edcc18e4b02310df5749a6b5a61 > e51bfdb68725dc052d16241ace40ea3140f938aa Hmm, that makes no sense, f93f7ede087f is a straight revert of e51bfdb68725. I do see the same behavior on v5.2-rc1 where hiding the pmu from L1 breaks nested virtualization, but manually reverting both commits doesn't change that for me, i.e. there's another bug lurking, which I'll start hunting. Any chance the successful test used a different command line or something?