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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=unavailable 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 9D25EC10F02 for ; Wed, 20 Feb 2019 06:31:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7127C21773 for ; Wed, 20 Feb 2019 06:31:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727832AbfBTGbK (ORCPT ); Wed, 20 Feb 2019 01:31:10 -0500 Received: from mx2.cyber.ee ([193.40.6.72]:41192 "EHLO mx2.cyber.ee" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725922AbfBTGbK (ORCPT ); Wed, 20 Feb 2019 01:31:10 -0500 Subject: Re: ext4 corruption on alpha with 4.20.0-09062-gd8372ba8ce28 To: Matthew Wilcox , Jan Kara Cc: "Theodore Y. Ts'o" , linux-alpha@vger.kernel.org, LKML , linux-block@vger.kernel.org, linux-mm@kvack.org References: <1c26eab4-3277-9066-5dce-6734ca9abb96@linux.ee> <076b8b72-fab0-ea98-f32f-f48949585f9d@linux.ee> <20190216174536.GC23000@mit.edu> <20190218120209.GC20919@quack2.suse.cz> <4e015688-8633-d1a0-308b-ba2a78600544@linux.ee> <20190219132026.GA28293@quack2.suse.cz> <20190219144454.GB12668@bombadil.infradead.org> From: Meelis Roos Message-ID: Date: Wed, 20 Feb 2019 08:31:05 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <20190219144454.GB12668@bombadil.infradead.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: et-EE Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Could > https://lore.kernel.org/linux-mm/20190219123212.29838-1-larper@axis.com/T/#u > be relevant? Tried it, still broken. I wrote: > But my kernel config had memory compaction (that turned on page migration) and > bounce buffers. I do not remember why I found them necessary but I will try > without them. First, I found out that both the problematic alphas had memory compaction and page migration and bounce buffers turned on, and working alphas had them off. Next, turing off these options makes the problematic alphas work. -- Meelis Roos