Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A857C433F5 for ; Sun, 28 Nov 2021 14:52:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353858AbhK1Oz5 (ORCPT ); Sun, 28 Nov 2021 09:55:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353477AbhK1Ox5 (ORCPT ); Sun, 28 Nov 2021 09:53:57 -0500 Received: from mail-io1-xd32.google.com (mail-io1-xd32.google.com [IPv6:2607:f8b0:4864:20::d32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 474DCC061746 for ; Sun, 28 Nov 2021 06:50:41 -0800 (PST) Received: by mail-io1-xd32.google.com with SMTP id w22so17820630ioa.1 for ; Sun, 28 Nov 2021 06:50:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=Txps8BV5KXXLE5Z8Dj4HtwZJIjHx8LsUHB2vb03furM=; b=RiTzv1xSgdvwqnqWp1SXVPrTRBpb6DAg2TnKPceezDniBL2S1NlsonFMXDz+45YHO1 BFIMKqdBc445J8nJfMwWjBLKzbxvlekQBNG+/tLTBdUs9dOXF8l06CLOeehBcYDkSjFg lPNfFvxzd7Uhkq6B67VDg0SJSb3gZ94qDT+srk+nHBI8z5oGgs5f+Th6ZGOCdv9DUqCQ E3p2Fu8+sIqRXqw/bSOGqX7vi4/JKRGEw1kLcDvUbcVRoBLDvU5us2mBfCOHTa6Q+L6F tF9CY4KfFjx5LR/uTlm1vqtnZTSmuzl40A2UTPxF9XmouhSBeqVajze+KY76eljOjjCI mTbA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Txps8BV5KXXLE5Z8Dj4HtwZJIjHx8LsUHB2vb03furM=; b=nCk2jy1oWV+98AS+Ug5IjOYJS/WWZ4QDZDYWTI2UPyskOud5a+KspOpgTJs5dZX+tI 1fwcvHP/B72Ofv/KTyGhXEih0DPbZ15ks4sjNIRRExhqw/U0nydel0IyOMM+mTmP6QCk 583ZCrBCMrlP/RtnlLY/VI0o9pelW4N/IWYcyPaiaUuGqr0QlukjJd9uoSeO0SWiUCNW zDSWJedrzqixX8FhueC0D8nzUIpi7yecRebEWV9JPMZli/ADVvQ1zs8uiwIjVPI+vWC/ a1IFk1gpvk5DcIeLucC3rvsvE1BaUgBDDzz+hx/qjsJBnboOk6HP9NrH2cUAV++JwLfy 9rRQ== X-Gm-Message-State: AOAM532tkHF3eyr253RNCZs+NlqCnDH/a5WVSR2KaEVRiGBDp8TNrqPs cKkjuIGKIHn0snsMdyNgBxntRcU3WEBLJwbc X-Google-Smtp-Source: ABdhPJyLSvA0K16M7WTbsvdBpW4pLzudrSbFlFJc6kW9I+0NBLSERL16NBvWVxYaC6PS327/5+okjw== X-Received: by 2002:a02:9609:: with SMTP id c9mr62298537jai.118.1638111040447; Sun, 28 Nov 2021 06:50:40 -0800 (PST) Received: from [192.168.1.116] ([66.219.217.159]) by smtp.gmail.com with ESMTPSA id s9sm6817343iow.48.2021.11.28.06.50.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 28 Nov 2021 06:50:39 -0800 (PST) Subject: Re: Write I/O queue hangup at random on recent Linus' kernels To: "Kenneth R. Crudup" Cc: linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-ext4@vger.kernel.org, linux-nvme@lists.infradead.org, Shinichiro Kawasaki References: <17206ea6-506d-b1de-09e8-c935ff308bd6@kernel.dk> <903be817-4118-f34e-1b35-a0108045590f@kernel.dk> <986e942b-d430-783b-5b1c-4525d4a94e48@panix.com> <1ff86d55-f39d-f88b-b8d-b6dfbd2f1b19@panix.com> From: Jens Axboe Message-ID: <838c86fa-bb3d-6794-64fd-35b81c62bbb6@kernel.dk> Date: Sun, 28 Nov 2021 07:50:36 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On 11/27/21 5:11 PM, Kenneth R. Crudup wrote: > > On Fri, 26 Nov 2021, Jens Axboe wrote: > >>>> That said, I'm pretty confident in the fix, > > Moot point kinda, as I see the fix in Linus' master, but yeah, it's > working here. Thanks for testing! I had a high level of confidence in that fix, and wanted to flush it out before -rc3. But testing is always appreciated, and thanks for the initial report as well. -- Jens Axboe