Received: by 2002:a25:d7c1:0:0:0:0:0 with SMTP id o184csp3515490ybg; Mon, 28 Oct 2019 14:10:50 -0700 (PDT) X-Google-Smtp-Source: APXvYqwIrPrN7d3UEXEQhILzpR1kBnVKgaB1c1salpiPXkrCq4KbGxxIZq5Cuu3tCKccKdtCwjLF X-Received: by 2002:a05:6402:213:: with SMTP id t19mr21907717edv.7.1572297050403; Mon, 28 Oct 2019 14:10:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1572297050; cv=none; d=google.com; s=arc-20160816; b=GM/ncFxYU6We3lp/8732gN8K42HldGL5VtxCUI+kI6qhLeqazF6gJZjOBq9tA/Q9G6 vtNlJ7rNyDuY1bRvl/5iKH7WN2mQpeoMSQoO2DQbrOaf1HtBcXLPRjRVKrRin+p5VJ+n AJogsZMiAM1+w5o5SciCUXnf2ItiW0FEGO6xE3wh8YHe1Tunkt5dOOikfDdqEbak3RFk kEVjD4EEbMvNkLdyzNtPAbJ9vM4EH9GL2BmS33Nl4mfwsWgKLppTs+EOWG7abdHKwTpu SzWyMo2iCBEa1pk7gry8lAfF+i4V+hOVesFYF5Py9jHc+Y9BoLKR7Ji3+OUxR83+c8Dy Dnzw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=QeLfhiSvBhb4jqqiIjYyy0K8USv7shZQP2OA+ndUPgQ=; b=y8dqf28qHwMhsdeXrEubHOasqpT03xsM9NFyCLdoiYm7P9zyCQT3B9kLLSr4AyYz1Y GFlsdmboUjZuTog8GjQy9JKqok8A3wHdEonwbBr1LU+dNjt48iIGJ+wt/e9WdhTj3KeB npQPifnY4IxsI9TrPdKNRB+tPOLvdPCNWMyjPPiZ36MdUnFUpcXibLdtPDR/iiLgczwv tyLA/GweWMbXJsxy1HZ/LidnlOOasQfxVo6fmaEnlTHFrjMORTpVrWmjVF0Mblt0UBii jxsothvyRx+ZWQB50v7lzkuCsxxJiyW7HBY+5RqAdwDuBNC2+oAo0M5MaHKDzm+IxCh1 tpiA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id nj6si6053858ejb.400.2019.10.28.14.10.27; Mon, 28 Oct 2019 14:10:50 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390659AbfJ1PPf (ORCPT + 99 others); Mon, 28 Oct 2019 11:15:35 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:45171 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731172AbfJ1PPe (ORCPT ); Mon, 28 Oct 2019 11:15:34 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1iP6jk-0005La-2r; Mon, 28 Oct 2019 16:15:16 +0100 Date: Mon, 28 Oct 2019 16:15:17 +0100 From: Sebastian Andrzej Siewior To: Joerg Vehlow Cc: Steffen Klassert , Tom Rix , Steven Rostedt , Thomas Gleixner , herbert@gondor.apana.org.au, davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/1] xfrm : lock input tasklet skb queue Message-ID: <20191028151447.xwtyh6hfwfvzwmmu@linutronix.de> References: <20191024103134.GD13225@gauss3.secunet.de> <20191025094758.pchz4wupvo3qs6hy@linutronix.de> <202da67b-95c7-3355-1abc-f67a40a554e9@jv-coder.de> <20191025102203.zmkqvvg5tofaqfw6@linutronix.de> <5b45c8f6-1aa2-2e1e-9019-a140988bba80@jv-coder.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <5b45c8f6-1aa2-2e1e-9019-a140988bba80@jv-coder.de> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019-10-28 11:44:57 [+0100], Joerg Vehlow wrote: > I was unable to reproduce it with 5.2.21-rt13. Do you know if something > changed in network scheduling code or could it be just less likely? the softirq/BH handling has been rewritten in the v5.0-RT cycle, v5.0.19-rt11 to be exact. So if that the cause for it (which I hope) then you should be able to trigger the problem before that release and not later. Sebastian