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=-7.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 5DCB2C4361B for ; Thu, 17 Dec 2020 08:37:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 19E2723884 for ; Thu, 17 Dec 2020 08:37:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726533AbgLQIhL (ORCPT ); Thu, 17 Dec 2020 03:37:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725988AbgLQIhK (ORCPT ); Thu, 17 Dec 2020 03:37:10 -0500 Received: from mail-il1-x12b.google.com (mail-il1-x12b.google.com [IPv6:2607:f8b0:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9EDF2C061794 for ; Thu, 17 Dec 2020 00:36:30 -0800 (PST) Received: by mail-il1-x12b.google.com with SMTP id u12so25054718ilv.3 for ; Thu, 17 Dec 2020 00:36:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=zPkAsK4FG/Q1d6+TcASgZ0VIqIfZbrRkMxQ4TFqVH2g=; b=XMXyV3O60kJ1ACkmN/vDT41Bf9hDcMsfQ+XEs/x9FaNgkQ3SPdPQ3lfjPgj0UkQ5lj pXBSHsiOj5UvGTJopPC1Aouego2xeeU9QtC6kjV/xpDmO+ahK4ttNl50OFnP3vQ6S8ew o0kSlS28y479/ytqljWjs5IJx5IW1WjwTB/g+oESZiGfCIUAtLTQselYBipuHb+saQJe WXCCXOfw2cL7u5pdmkbhHqrgFYp6UHm/tVPJK+8TvHLBkXQaWxyf+B7R4e73JNpA9sst r+PkCerOXiKIivEp4eloLIqw9W/UDViIWjOKJXNYhKqF/6ssCM1dDPxQvwCngwLGgaXD wP8w== 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:cc; bh=zPkAsK4FG/Q1d6+TcASgZ0VIqIfZbrRkMxQ4TFqVH2g=; b=ujD1siYcZeTkAKFiVVi+BsfHOQXkoUW/f6ek6i4/aXS5Lvc9kXEaPqdefp47iyfspZ SZSSb0IYF4NlH/AJccBqj2c04Xja9EaR8WOCnz6Ug0PCWu/heF9NBsRz0tF4dwfBA8oF 0Sm+stH4d4j7Xy0IxL37FRyESdoAOR1tUkYsVImoivbutA8S+T5L/8jkKmd6/cbdsn9+ 4H5oDNY+TfMPgjN3RmhW90AX1cgp9tPIQcEb76zSpd7Eh2KDGg7Co9kpuuveqvIUe2f3 dDteSXNVfebIwA09MurI0Qq34aeBLxln+eD7TmkUirafAcsA8WNwqgkf4BeO4QvCB7OM a8GQ== X-Gm-Message-State: AOAM531pw/sIaJrLXF5UJB2ifmHnC85GA0qgNTfvxVUmRL9lpPz24b1P Qse1NbDzt4i7xrYXud9oWmIg4xnLGjKeoDxcHDg= X-Google-Smtp-Source: ABdhPJztd7LVFLfXYV1wQkbnFF7NC9bMLnJ2jrbyTnvt8gf8jh9LmF3NC/KowvA73WvilimdFMZeUORQb0RBHZQdpNo= X-Received: by 2002:a05:6e02:c2a:: with SMTP id q10mr48275642ilg.92.1608194190100; Thu, 17 Dec 2020 00:36:30 -0800 (PST) MIME-Version: 1.0 References: <8910B0D3-6C84-448E-8295-3F87CFFB2E77@googlemail.com> In-Reply-To: <8910B0D3-6C84-448E-8295-3F87CFFB2E77@googlemail.com> From: Dmitry Kadashev Date: Thu, 17 Dec 2020 15:36:19 +0700 Message-ID: Subject: Re: "Cannot allocate memory" on ring creation (not RLIMIT_MEMLOCK) To: Norman Maurer Cc: io-uring@vger.kernel.org, Jens Axboe Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Thu, Dec 17, 2020 at 3:27 PM Norman Maurer wrote: > > I wonder if this is also related to one of the bug-reports we received: > > https://github.com/netty/netty-incubator-transport-io_uring/issues/14 That is curious. This ticket mentions Shmem though, and in our case it does not look suspicious at all. E.g. on a box that has the problem at the moment: Shmem: 41856 kB. The box has 256GB of RAM. But I'd (given my lack of knowledge) expect the issues to be related anyway. -- Dmitry Kadashev