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=-7.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 AA08CC3E8C5 for ; Wed, 18 Nov 2020 17:52:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2F73924903 for ; Wed, 18 Nov 2020 17:52:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="Dpj9EA1s" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728159AbgKRRwU (ORCPT ); Wed, 18 Nov 2020 12:52:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:33100 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726696AbgKRRwT (ORCPT ); Wed, 18 Nov 2020 12:52:19 -0500 Received: from paulmck-ThinkPad-P72.home (50-39-104-11.bvtn.or.frontiernet.net [50.39.104.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B2B0B24903; Wed, 18 Nov 2020 17:52:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605721938; bh=OudCrL0DImNCOLljCY2MpL4a9MUp5Wdo8907Lxh4vM8=; h=Date:From:To:Cc:Subject:Reply-To:From; b=Dpj9EA1sUqXRr2vESZF8CnhDgE1ELMoffhAUv9X8+F1HIUZvgsfrzNuN7jeFsmupp ELfywpq0x1iCigG3An7ojsmdSwMBQjKtgGfrpzBdckmkYl/jrm4sQck9ymrlEbSWIa j5y4VdH9heOFZhHosLQBK9bzBVrax0TALQ7lRpBY= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id 475D23520FE0; Wed, 18 Nov 2020 09:52:18 -0800 (PST) Date: Wed, 18 Nov 2020 09:52:18 -0800 From: "Paul E. McKenney" To: frederic@kernel.org Cc: linux-kernel@vger.kernel.org Subject: NOHZ tick-stop error: Non-RCU local softirq work is pending Message-ID: <20201118175218.GA16039@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Frederic, Here is the last few months' pile of warnings from rcutorture runs. Thanx, Paul [ 255.098527] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #282!!! [ 414.534548] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 3798.654736] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 1718.589367] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 6632.777655] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 2873.688490] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 3081.738937] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 2673.597523] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 1467.372887] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 34.371094] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 1147.260097] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 5066.699589] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 816.338843] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 34.338836] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 1234.111394] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 1282.109415] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 239.215890] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 367.918969] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #202!!! [ 1461.037894] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 1503.810903] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 1503.811939] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 699.514824] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #202!!! [ 751.681629] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 287.770126] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #202!!! [ 287.771096] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #202!!! [ 648.009370] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 924.733405] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #202!!! [ 924.734011] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #202!!! [ 1743.197353] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #02!!! [ 1528.161635] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 1528.162313] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 265.201513] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 473.137587] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #202!!! [ 187.375426] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 1361.544451] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 79.519727] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!!