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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 841BAC04E69 for ; Wed, 2 Aug 2023 12:54:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233831AbjHBMyy (ORCPT ); Wed, 2 Aug 2023 08:54:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231610AbjHBMyw (ORCPT ); Wed, 2 Aug 2023 08:54:52 -0400 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C57EFE for ; Wed, 2 Aug 2023 05:54:51 -0700 (PDT) Received: by mail-pl1-x631.google.com with SMTP id d9443c01a7336-1b9c368f4b5so6293705ad.0 for ; Wed, 02 Aug 2023 05:54:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690980891; x=1691585691; h=content-transfer-encoding:subject:from:cc:to:content-language :user-agent:mime-version:date:message-id:from:to:cc:subject:date :message-id:reply-to; bh=iTsB5xasCjFSR0Vt+lWlOtsMczEa0Wdrnf1ucGFcWxE=; b=Xf119sNQbhMFipzzBrEHVa2TIwq90m3rCVjyTtalSI9XXc0ITaBthyQPibWro7SrsN +XLF89GzMPzdR/k7AD6Wh9v4EOy2se6z1xmYJbTh02zimPUdWzC1x/cfFXI367JUMqkW yIr9H7HTlitmcJbUsKhjGtl5ty2koAo76qtTvXWf1E/7VnJxb/IA/T1WU/YIy2rWpf+2 v4HDd6KY29Bujaq4ZXq7hj9T5CeXyZzUdwgpSvVhGQEjbChqRfiJW61CvWt3RIpXmtg9 7sYeKg7SqWftSGaSfbxAX6dFxENVUdn4cPcfpiynAXSwYvamHj4kJBIIgbS1cnWPlltN xdfw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690980891; x=1691585691; h=content-transfer-encoding:subject:from:cc:to:content-language :user-agent:mime-version:date:message-id:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=iTsB5xasCjFSR0Vt+lWlOtsMczEa0Wdrnf1ucGFcWxE=; b=dTerK96VF2h5OPMFXcz8uGJYQwmlN/ytfTq6VIxLT4U8IRlIfWmQLknnqbhx1AET9R 4PNDgFpXQzSUn8sQ/eHbmXy+QUa9Kn8Zu7QycWpym2R8CpeN6OhpbtP8Jaul5r3iCPSp 0sYBhaZRcOyExp0XcRhQENgmMpAKf5f5mIDBJYG3tsU6vtO/uRThQ+0WSYu1Rt77YDRh A86tYtJY721DPbGAnYBbzPFNo9YsXt8N6Wg3sXrLx9gzz9R8C0ETkeau/jJto1GQa7tK WeuzryisAvFB8fhYBexX6FdaMtt2AXj2dnARzNHO668303N92g7rj+qVqhXMMU1KSgLz F+fQ== X-Gm-Message-State: ABy/qLauZmnqmHLvfnkywqLRy0EALwaLJFIdvhDto1s/JuDtPri8X6FH lp5M8FTyOn7d1Y8X+qf/QbE= X-Google-Smtp-Source: APBJJlGImue9z1dkkhas+upC+ICC/WevIqT57gUBpMxvtirC3HSxFcUMCJa1ijZYA7nO3DPsM5uaYA== X-Received: by 2002:a17:902:d481:b0:1b8:3936:7b64 with SMTP id c1-20020a170902d48100b001b839367b64mr19612437plg.1.1690980890698; Wed, 02 Aug 2023 05:54:50 -0700 (PDT) Received: from [192.168.0.105] ([103.131.18.64]) by smtp.gmail.com with ESMTPSA id w9-20020a170902d3c900b001bb7b0a0372sm12296441plb.290.2023.08.02.05.54.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 02 Aug 2023 05:54:50 -0700 (PDT) Message-ID: <43765f2d-f486-8b00-7fb9-9eaea5045bfe@gmail.com> Date: Wed, 2 Aug 2023 19:54:38 +0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Content-Language: en-US To: Aaron Lu , Andrew Morton , Linus Torvalds , Colin Ian King Cc: Linux Kernel Mailing List , Linux Memory Management List From: Bagas Sanjaya Subject: Fwd: crash/hang in mm/swapfile.c:718 add_to_avail_list when exercising stress-ng Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I notice a bug report on Bugzilla [1]. Quoting from it: > How to reproduce: > > Had 24 CPU Alderlake 16GB debian12 system running with default kernel (from makecondig) on 6.5-rc4, exercised with no swap to start with. > > using stress-ng tip commit 0f2ef02e9bc5abb3419c44be056d5fa3c97e0137 > (see https://github.com/ColinIanKing/stress-ng ) > > build and run stress-ng for say 60 minutes: > > ./stress-ng --cpu-online 50 --brk 50 --swap 50 --vmstat 1 -t 60m > > Will hang in mm/swapfile.c:718 add_to_avail_list+0x93/0xa0 > > See attached file for an image of the console on the hang (I'm trying to get the full stack dump). See Bugzilla for the full thread and attached console image. FWIW, I have to forward this bug report to the mailing lists because Thorsten noted that many developers don't take a look on Bugzilla (see the BZ thread). Thanks. [1]: https://bugzilla.kernel.org/show_bug.cgi?id=217738 -- An old man doll... just what I always wanted! - Clara