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=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 B3130C33C9E for ; Fri, 17 Jan 2020 22:52:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8A17421D7D for ; Fri, 17 Jan 2020 22:52:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="subFMBWF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730140AbgAQWwP (ORCPT ); Fri, 17 Jan 2020 17:52:15 -0500 Received: from mail-pf1-f182.google.com ([209.85.210.182]:44504 "EHLO mail-pf1-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729015AbgAQWwO (ORCPT ); Fri, 17 Jan 2020 17:52:14 -0500 Received: by mail-pf1-f182.google.com with SMTP id 62so5957142pfu.11 for ; Fri, 17 Jan 2020 14:52:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=zZWEA2FKqB3h/5PGTZxs6byNWrbGN1jtGQLLTYcsCjo=; b=subFMBWFiGeMgmFJexeXXaaAIqZZGgZ8bd0mYZrGokugnMsHo+U9znDxdPQjNqiokb NtVqZsqQ8U4wDO1BNidW2jA1f86gqMQzhE6CJc3GQKzrq2QAq0AvAyoKSuGz41DGhPa5 KnSPyFzx6F30rkTMGf59U2oMmY77xQK7dcTDFXxms+nOsBLi9IMWGIVNwZjM57rXCxQP lRLkmNomdkewmA1kUeCuamnSAhDFL9Y7rQyFUt2lpNlCosBODoi9nVE4r7phxztERZQw /fuUrQEC/ChknlOVvNtMI1zvNj1Rgf61HnXKbav4aZz80eCfuKmUXdxGfMOPmiGoTUtc 8bIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=zZWEA2FKqB3h/5PGTZxs6byNWrbGN1jtGQLLTYcsCjo=; b=PW78ZJ+L7MCVIbUVIsA40+7+d00wI1taNzK3iuONYrwOGLy8i/wHYfJkwciCX9R6ge vhkAWU+4u0/LEAnac3FaQHfN1D5fJVwDNz0qnkF/qey9JEh19/dMWj9JZAZjdjGG0UUr kdXbqkjOR8aqu5kJBsY+hKy4CthKv7X72xWEfzzvRaeJKI/9vw9Cj0to4Ian+rzug7w4 pOzDndmGjdfyYxxOBRIDI4TQUFNoA7xO+ocuhN8bIBulgupa7aHuWri1m3VG4aAdIE5b 515ejWdITIB6/+t0wSZolcGJLYS/XVpTjmBWPXQ2UCEuKbKHqOaPYWtYvx35nvs62NiT JArw== X-Gm-Message-State: APjAAAWqxzXE8atLVtcjIUgvXzOsYTzd4QiEVopUnvlH3DsOpviqPsqB gAKslZxW/yplp4YarJM6ltBKAPj4fow= X-Google-Smtp-Source: APXvYqwiI8Cb1T24g/UNmh6x2AOiPIenJpVx/WqH9s6Q8AJBUoeDOWr4H8hhb26mt5Q8PrIRiNwacg== X-Received: by 2002:a63:d94b:: with SMTP id e11mr47807579pgj.79.1579301534172; Fri, 17 Jan 2020 14:52:14 -0800 (PST) Received: from [192.168.1.188] ([66.219.217.145]) by smtp.gmail.com with ESMTPSA id n14sm30357674pff.188.2020.01.17.14.52.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 17 Jan 2020 14:52:13 -0800 (PST) Subject: Re: [BUG] io_uring To: Pavel Begunkov , io-uring References: <2e58fed4-d95f-3d69-b938-a8f77bf96102@gmail.com> From: Jens Axboe Message-ID: Date: Fri, 17 Jan 2020 15:52:12 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <2e58fed4-d95f-3d69-b938-a8f77bf96102@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 1/17/20 3:05 PM, Pavel Begunkov wrote: > I'm hitting a bug with yesterday's for-next (e.g. 126c20adbd98f2eff00c837afc). > I'll debug it in several days, if nobody would do it by then. > > kernel: yesterday's for-next (e.g. 126c20adbd98f2eff00c837afc) > How to reproduce: run ./file-update in a loop (for me 10th run hit the problem) Let me know if it still happens in the current tree, I fixed the wait on this. But it might be something new, we'll see. -- Jens Axboe