Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754800AbdCaJ4c (ORCPT ); Fri, 31 Mar 2017 05:56:32 -0400 Received: from mail.skyhub.de ([5.9.137.197]:36922 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753338AbdCaJ4a (ORCPT ); Fri, 31 Mar 2017 05:56:30 -0400 Date: Fri, 31 Mar 2017 11:56:17 +0200 From: Borislav Petkov To: Corentin Labbe Cc: kirill.shutemov@linux.intel.com, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: crash under qemu, bisected to f2a6a7050109 ("x86: Convert the rest of the code to support p4d_t") Message-ID: <20170331095617.5d5sxrk54uqzqfgf@pd.tnic> References: <20170331070653.GA8716@Red> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20170331070653.GA8716@Red> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 630 Lines: 19 On Fri, Mar 31, 2017 at 09:06:53AM +0200, Corentin Labbe wrote: > hello > > Since linux-next-20170329, my qemu virtual machine crash with: > [ 1.409213] Freeing unused kernel memory: 688K > [ 1.414790] Freeing unused kernel memory: 1920K > [ 1.415581] BUG: unable to handle kernel paging request at ffffc753f000f000 > [ 1.416808] IP: ptdump_walk_pgd_level_core+0x2d1/0x430 https://lkml.kernel.org/r/20170328185522.5akqgfh4niqi3ptf@pd.tnic Reportedly, latest tip/master should be fixed but I haven't tried it yet. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.