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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,PDS_TONAME_EQ_TOLOCAL_SHORT,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham 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 8C20DC433C1 for ; Fri, 26 Mar 2021 11:27:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A1A8619FC for ; Fri, 26 Mar 2021 11:27:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229671AbhCZL1N (ORCPT ); Fri, 26 Mar 2021 07:27:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229463AbhCZL0l (ORCPT ); Fri, 26 Mar 2021 07:26:41 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F122C0613AA for ; Fri, 26 Mar 2021 04:26:40 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id h13so5899297eds.5 for ; Fri, 26 Mar 2021 04:26:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nametag.social; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=j8PS7SqCTxnJMuyWS/YgfS4SBE48wr1nTpVaZme8Xxk=; b=WEOiFm+wqvfGz4QkNaV116m+vPYxZos9YLsRSU4B3vB2GTqdBaNnfIPERgOuazCapA 9VSNf7DLjiepibDuH6AJeaH/Oa9haD2CKbBg7JJN+Y7SRuXtQb7RwE6X2oF0SrMODg0+ 2Uo6Ch+bqQrK+Owm2wd4kLC0eys0OTTTC9LxrJVYS+FXcjxyCs3viDkVUtCfRyLn5Aq6 B06lo85leJUS2tmDyUFRP5nR+RqfP7PAnDJ9L6pnM4g5QLhvCvS2HZtIALrPQijL5Y8g u8RBxGflq0xW38ifx72BL4JxteH0kV9yw3E6n/7rmacw12ZPM6wf5xw9II7HB2X/KdXq VxmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=j8PS7SqCTxnJMuyWS/YgfS4SBE48wr1nTpVaZme8Xxk=; b=nFI66Di1yfLq6WWeCmlm8oFx14dDEzKhuk2CvfEPoQeq4uCpbSeE9c2s9t00Y7+6rQ LSoucy/y/rLbxcqJYU1Tn1hf/xRP8wmEsB3UzdXVfHqjO4opqoAoFYGy0zR2ulCaRE+U rgoCohG1aIZ5BsM4t10KfN4o2t3mp/1V61VhMk7otIUutIcr8RJiVGN0k9qI5goZq1NL 9YpC8W6jNKSxoAz0bxPB3dFNUteSsyREC5yfEhFaacR5p5n379xLpWwWbBnj3QI4cxvi abxMSH4Lee5tYvL6W66tfx64p9linKN2/14UIKxTH0Jxe/4VJzK3UWWIVYqcLy30nxde 0yhg== X-Gm-Message-State: AOAM533UvaB3mkSobBcEM9yTm0UwgPV2ZJ7UjcSnGU4yvmwkGdml6Xlu MuOwOrNmn4Op9qmyXzoYw1t/5CswQgNCrZAEfU+6X3bm6HU= X-Google-Smtp-Source: ABdhPJxGyp73t1QPC7e6PHX+Asf6GCPZLH9HuJ4LiVcM7YzABRClNS8aXZTyyVyb4DYp5B2X+3qx6UWxkKpqqG1V3MQ= X-Received: by 2002:aa7:cf14:: with SMTP id a20mr14332262edy.49.1616757998963; Fri, 26 Mar 2021 04:26:38 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Victor Stewart Date: Fri, 26 Mar 2021 07:26:28 -0400 Message-ID: Subject: Re: [POSSIBLE BUG] sendmsg ops returning -ETIME To: io-uring Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Thu, Mar 25, 2021 at 11:35 PM Victor Stewart wrote: > let me know what data i can extract so we can quickly rule this > definitely my bug or definitely an io-uring bug. it's really the > bizzare -ETIME that makes me think it might not be mine. > > the code is super brief, check perf.networking.cpp > > https://github.com/victorstewart/quicperf haha sorry for the false alarm. within 2 seconds of waking up i realized that i'm reading past the end of the ring!