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=-7.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, 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 D5385C07542 for ; Mon, 27 May 2019 08:25:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A1A1D2075B for ; Mon, 27 May 2019 08:25:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726620AbfE0IZR (ORCPT ); Mon, 27 May 2019 04:25:17 -0400 Received: from outbound-smtp25.blacknight.com ([81.17.249.193]:48070 "EHLO outbound-smtp25.blacknight.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726425AbfE0IZQ (ORCPT ); Mon, 27 May 2019 04:25:16 -0400 Received: from mail.blacknight.com (pemlinmail03.blacknight.ie [81.17.254.16]) by outbound-smtp25.blacknight.com (Postfix) with ESMTPS id 5AB11B8B49 for ; Mon, 27 May 2019 09:25:15 +0100 (IST) Received: (qmail 10339 invoked from network); 27 May 2019 08:25:15 -0000 Received: from unknown (HELO techsingularity.net) (mgorman@techsingularity.net@[37.228.225.79]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 27 May 2019 08:25:15 -0000 Date: Mon, 27 May 2019 09:25:13 +0100 From: Mel Gorman To: Oleksandr Natalenko Cc: Justin Piszcz , LKML Subject: Re: 5.1 and 5.1.1: BUG: unable to handle kernel paging request at ffffea0002030000 Message-ID: <20190527082513.GR18914@techsingularity.net> References: <20190520115608.GK18914@techsingularity.net> <20190521124310.GM18914@techsingularity.net> <20190524114329.hujd3qvtusz6uyfk@butterfly.localdomain> <20190524123146.GP18914@techsingularity.net> <20190527062301.rk32mhnk2qy2ives@butterfly.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20190527062301.rk32mhnk2qy2ives@butterfly.localdomain> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 27, 2019 at 08:23:01AM +0200, Oleksandr Natalenko wrote: > On Fri, May 24, 2019 at 01:31:46PM +0100, Mel Gorman wrote: > > On Fri, May 24, 2019 at 01:43:29PM +0200, Oleksandr Natalenko wrote: > > > > Please use the offset 0xb9 > > > > > > > > addr2line -i -e /usr/src/linux/vmlinux `printf "0x%lX" $((0x$ADDR+0xb9)) > > > > > > > > -- > > > > Mel Gorman > > > > SUSE Labs > > > > > > Cc'ing myself since i observe such a behaviour sometimes right after KVM > > > VM is launched. No luck with reproducing it on demand so far, though. > > > > > > > It's worth testing the patch at https://lore.kernel.org/lkml/1558689619-16891-1-git-send-email-suzuki.poulose@arm.com/T/#u > > It is reported [1] that this fixes the issue. > > Thanks. > > [1] https://github.com/NixOS/nixpkgs/issues/61909 > Thanks! The patch has been picked up by Andrew and it's marked for -stable. It should make its way into a stable release eventually. -- Mel Gorman SUSE Labs