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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT 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 D697AC04AAF for ; Thu, 16 May 2019 17:00:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B24E420815 for ; Thu, 16 May 2019 17:00:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727324AbfEPQ77 (ORCPT ); Thu, 16 May 2019 12:59:59 -0400 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:46828 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726449AbfEPQ77 (ORCPT ); Thu, 16 May 2019 12:59:59 -0400 Received: from callcc.thunk.org (168-215-239-3.static.ctl.one [168.215.239.3] (may be forged)) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id x4GGxMQ2021387 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 16 May 2019 12:59:25 -0400 Received: by callcc.thunk.org (Postfix, from userid 15806) id 74866420024; Thu, 16 May 2019 12:59:21 -0400 (EDT) Date: Thu, 16 May 2019 12:59:21 -0400 From: "Theodore Ts'o" To: Filipe Manana Cc: fstests , linux-btrfs , linux-ext4 , Jan Kara , Filipe Manana Subject: Re: [PATCH] fstests: generic, fsync fuzz tester with fsstress Message-ID: <20190516165921.GA4023@mit.edu> References: <20190515150221.16647-1-fdmanana@kernel.org> <20190516092848.GA6975@mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Thu, May 16, 2019 at 10:54:57AM +0100, Filipe Manana wrote: > > Haven't tried ext4 with 1 process only (instead of 4), but I can try > to see if it happens without concurrency as well. How many CPU's and how much memory were you using? And I assume this was using KVM/QEMU? How was it configured? Thanks, - Ted