From mboxrd@z Thu Jan 1 00:00:00 1970 From: Markus Trippelsdorf Subject: Re: commit 3c2e7f7de3 (KVM use NPT page attributes) causes boot failures Date: Tue, 1 Sep 2015 15:56:36 +0200 Message-ID: <20150901135636.GA423@x4> References: <20150831172453.GA5429@gmail.com> <20150901070856.GA430@x4> <20150901072741.GB20383@gmail.com> <20150901074449.GB430@x4> <20150901083856.GD25398@gmail.com> <20150901084444.GB421@x4> <20150901085627.GF6315@gmail.com> <20150901100417.GA424@x4> <55E5A157.5040403@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Ingo Molnar , Linus Torvalds , linux-kernel@vger.kernel.org, Peter Zijlstra , Thomas Gleixner , Andrew Morton , Mike Galbraith , Joerg Roedel , Paolo Bonzini , kvm@vger.kernel.org To: Xiao Guangrong Return-path: Content-Disposition: inline In-Reply-To: <55E5A157.5040403@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 2015.09.01 at 21:00 +0800, Xiao Guangrong wrote: > > Did it trigger the BUG()/BUG_ON() in mtrr2protval()/fallback_mtrr_type()? > If yes, could you please print the actual value out? It is the BUG() in fallback_mtrr_type(). I changed it to a printk and it prints 1 for the value of mtrr. MTRR_TYPE_WRCOMB 1 -- Markus