From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f198.google.com (mail-wr0-f198.google.com [209.85.128.198]) by kanga.kvack.org (Postfix) with ESMTP id 1B3116B0333 for ; Fri, 24 Mar 2017 08:07:09 -0400 (EDT) Received: by mail-wr0-f198.google.com with SMTP id n55so387413wrn.0 for ; Fri, 24 Mar 2017 05:07:09 -0700 (PDT) Received: from mail-wr0-x22e.google.com (mail-wr0-x22e.google.com. [2a00:1450:400c:c0c::22e]) by mx.google.com with ESMTPS id t6si2668771wmg.91.2017.03.24.05.06.27 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 24 Mar 2017 05:06:27 -0700 (PDT) Received: by mail-wr0-x22e.google.com with SMTP id u108so258951wrb.3 for ; Fri, 24 Mar 2017 05:06:27 -0700 (PDT) Date: Fri, 24 Mar 2017 15:06:25 +0300 From: "Kirill A. Shutemov" Subject: Re: linux-next: something wrong with 5-level paging Message-ID: <20170324120625.osoqp63x3sukijgj@node.shutemov.name> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Andrei Vagin Cc: "Kirill A. Shutemov" , LKML , linux-mm@kvack.org On Tue, Mar 21, 2017 at 03:03:20PM -0700, Andrei Vagin wrote: > Hi, > > I reproduced it locally. This kernel doesn't boot via kexec, but it > can boot if we set it via the qemu -kernel option. Then I tried to > boot the same kernel again via kexec and got a bug in dmesg: > [ 1252.014292] BUG: unable to handle kernel paging request at ffffd204f000f000 > [ 1252.015093] IP: ident_pmd_init.isra.5+0x5a/0xb0 > [ 1252.015636] PGD 0 Sorry for this. http://lkml.kernel.org/r/20170324120458.nw3fwpmdptjtj5qb@node.shutemov.name -- Kirill A. Shutemov -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org