Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp3530317ybi; Mon, 27 May 2019 01:27:16 -0700 (PDT) X-Google-Smtp-Source: APXvYqwPKiWX/8NY/ZwZuSkFFcObHMFEpgC3GPRfOAE9keL/mTo1ZupL47Bf2GnDGvUWu8+XjzPJ X-Received: by 2002:a17:902:163:: with SMTP id 90mr127780799plb.212.1558945636161; Mon, 27 May 2019 01:27:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1558945636; cv=none; d=google.com; s=arc-20160816; b=ABusOAflaWABpxgHhKdgOBOQ86uSmvBReBso+eC6HeKhcIinxxkm3D+iE9u/vyFm12 OMO+d6WJGRCDzCkqxNzW/xsiiNgBWhc6RaXsqmWaLD/+MdUxV9a816/BxGKSgNeDY+Rk bDH4tH9ELN2ae2BA7KUmxDqCbdHPE1Pj+KRh7gwZvUZ02LcticK67bZ5i/VqJgL4udzt bfkfD8yHXR3r2AA8PvSdmIgEQf8587WdkUnEj3/hKnSLbUfhOx/qLJp79RccUwhjaG9D p2a3poou72DRG86YnvIXpviF84kP938fL5jBi3Z94dF6J1mTcCuZ8XcrSDAILzipMAVS lbLA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=esMPRex0Fhe9tEQDH46Z5PBMirAA0oO48VbsmWFPKuc=; b=heyxCYkHqWO+eu+ybzZGUUI8RxtCFDOjXVBIN1t7rJHapLfh8sts8uA2BsyZPowKt9 zoJxTNY3PmtMnf4XA2Z07oaF4HYwi3hPx/NZoUvTnYZM2KlpNB3MriIcsseALM+pV141 Dy4zPmXMTRxj5dnJhRh9vzonqSA9MRq63EaqyRIpgIBfiTbKCNcCQfCHaQ/hPSKDhwNH gKy84uYjtD5LQwsb5z5yGIVv8RA9qdMDqu+CXf8xrq5RDAGubyIrpOU0ht3294V3lZ8V jRjdUpkH9HT5JrHL3KVI6T/fX9n/yq0C9BEnklw8XZz7qWFJf44bplf4RKVSBaC01e63 d3ww== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j19si19402336pfd.189.2019.05.27.01.27.01; Mon, 27 May 2019 01:27:16 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726608AbfE0IZQ (ORCPT + 99 others); Mon, 27 May 2019 04:25:16 -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