Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752772AbcDMUh1 (ORCPT ); Wed, 13 Apr 2016 16:37:27 -0400 Received: from mail-pa0-f52.google.com ([209.85.220.52]:35564 "EHLO mail-pa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751795AbcDMUhX (ORCPT ); Wed, 13 Apr 2016 16:37:23 -0400 Subject: Re: Major KVM issues with kernel 4.5 on the host To: Marc Haber , Borislav Petkov References: <20160317165435.GB3022@torres.zugschlus.de> <20160317181128.GA30324@pd.tnic> <20160318184929.GA949@torres.zugschlus.de> <20160318220429.GH7817@pd.tnic> <20160319000837.GF10135@torres.zugschlus.de> <20160320133158.GD4230@pd.tnic> <20160320182516.GE4230@pd.tnic> <20160320185813.GG4230@pd.tnic> <20160413182214.GB7600@torres.zugschlus.de> Cc: Andrey Korolyov , Linux Kernel Mailing List , kvm ML From: Paolo Bonzini Message-ID: <570EADFA.402@redhat.com> Date: Wed, 13 Apr 2016 22:37:14 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1 MIME-Version: 1.0 In-Reply-To: <20160413182214.GB7600@torres.zugschlus.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 418 Lines: 12 On 13/04/2016 20:22, Marc Haber wrote: >> So I'm not sure what even happens here yet. I haven't seen anything out >> > of the ordinary in Marc's dmesg and I wasn't able to reproduce either. >> > So would it be good to try with "npt=0"? Sure, why not. > npt=0 goes on the kernel command line of the host or of the guest? Or > is it a KVM option? It is an option to the kvm-amd module, but I think I found it. Paolo