From owner-freebsd-net@freebsd.org Fri Aug 11 09:32:14 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8CEB1DB67AD; Fri, 11 Aug 2017 09:32:14 +0000 (UTC) (envelope-from ben.rubson@gmail.com) Received: from mail-wr0-x244.google.com (mail-wr0-x244.google.com [IPv6:2a00:1450:400c:c0c::244]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 16291698C7; Fri, 11 Aug 2017 09:32:14 +0000 (UTC) (envelope-from ben.rubson@gmail.com) Received: by mail-wr0-x244.google.com with SMTP id o33so2161158wrb.1; Fri, 11 Aug 2017 02:32:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=Xq6eKh+UadLUfC8tbRjdbkqknNjX2n3oRIVt2Bz3hMU=; b=fn/dXvyAFiacT2JBk/+WVIChb3SEom4axS1J3cbWHTLwaxbrA5m+f8W3yz+HdRfSAj 1icIPKeoRg3MG4q0abZl7Vpw96QyKl1/qH+WRTyHLHINOS2z753pt7nCoa5UtBp2EDio OJYsTUJ4VEvVzIDtYtFX/g3ZLP9BArHNJVvu5Cr5sziA3vAfOZp0hvwUn00+EZI1kHUn /MWPKVlgFKItjdfIt6m7ZylEwpbpjgnLz17XSruty0KepJndd4/Ol+sznXoJ2s+F/Ze+ /Sm4zywrzRnAgWPaj9jXJg7I7ZtHPWCXc8NwOTKjM0aNYfMdwC5DjTBcB6f3rNbwVF5L LbrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=Xq6eKh+UadLUfC8tbRjdbkqknNjX2n3oRIVt2Bz3hMU=; b=fAB/TgCJ04lzP96YUZO5TT1k3c0VwfQjZpb+3OSPCdEkNzhnJA07i8P9Y3ZSIRnCVM IX3W1fC0cDozY7wXu+Kikl0L/yTnW1p9ygY0//kAFqrGcfNUjR4okhW7OuCJnTzLCoj5 fzh/lkMUNaQx8lCae9DxJdHRMybMMqbAsr00mfTvN587YoWZInU3ixuetOrg37ziHBdW CGiN9RkKy+cS103OCnexCgsI+dZmcaVSSmFSbILtMdYL7Dk+6ESiPH1jRAQC0rmz6Zq+ By/sXB8Rng1bmaNeDjqKSQeMkT/mRDZoTSF60nhPa0DcpmPsqM0j/al8Sr0VdWyXrCSJ PL0Q== X-Gm-Message-State: AHYfb5jPBzsrcMQEnsn/U9TJ11/BXhbfittAo7WeclTgoQ+2WZuEFHmr rVw9AZcDLP1UAhoOfJ1CfA== X-Received: by 10.223.146.65 with SMTP id 59mr9900405wrj.152.1502443932415; Fri, 11 Aug 2017 02:32:12 -0700 (PDT) Received: from ben.home (LFbn-1-6951-179.w90-116.abo.wanadoo.fr. [90.116.132.179]) by smtp.gmail.com with ESMTPSA id p192sm470663wme.12.2017.08.11.02.32.11 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 11 Aug 2017 02:32:11 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: mlx4en, timer irq @100%... (11.0 stuck on high network load ???) From: Ben RUBSON In-Reply-To: <0a5787c5-8a53-ab09-971a-dc1cd5f3aca0@freebsd.org> Date: Fri, 11 Aug 2017 11:32:10 +0200 Cc: Hans Petter Selasky , FreeBSD Net , hiren , Slawa Olhovchenkov , FreeBSD Stable Content-Transfer-Encoding: 7bit Message-Id: References: <4DF74CB8-23D2-4CCF-B699-5B86DAEA65E5@gmail.com> <40602CEA-D417-4E5B-8C68-916958D49A0B@gmail.com> <9c306f10-7c05-d28d-e551-a930603aaafa@selasky.org> <896dd782-cb2c-0259-65d1-b00daae452de@FreeBSD.org> <0DB9F6FF-8BC9-48F5-B359-AC1905B9EB06@gmail.com> <7f14c95d-1ef8-bf82-c469-e6566c3aba66@selasky.org> <76A5EE7E-1D2E-46B4-86F1-F219C3DCE6EA@gmail.com> <4C91C6E5-0725-42E7-9813-1F3ACF3DDD6E@gmail.com> <5840c25e-7472-3276-6df9-1ed4183078ad@selasky.org> <2ADA8C57-2C2D-4F97-9F0B-82D53EDDC649@gmail.com> <061cdf72-6285-8239-5380-58d9d19a1ef7@selasky.org> <92BEE83D-498F-47D5-A53C-39DCDC00A0FD@gmail.com> <5d8960d8-e1ff-8719-320f-d3ae84054714@selasky.org> <6B4A35F7-5694-4945-9575-19ADB678F9FA@gmail.com> <297a784a-3d80-b1a6-652e-a78621fe5a8b@selasky.org> <3ECCFBF1-18D9-4E33-8F39-0C366C3BB8B4@gmail.com> <0a5787c5-8a53-ab09-971a-dc1cd5f3aca0@freebsd.org> To: Julien Charbon X-Mailer: Apple Mail (2.3124) X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Aug 2017 09:32:14 -0000 > On 08 Aug 2017, at 13:33, Julien Charbon wrote: > > Hi, > > On 8/8/17 10:31 AM, Hans Petter Selasky wrote: >> >> >> Suggested fix attached. > > I agree we your conclusion. Just for the record, more precisely this > regression seems to have been introduced with: > (...) > Thus good catch, and your patch looks good. I am going to just verify > the other in_pcbrele_wlocked() calls in TCP stack. Julien, do you plan to make this fix reach 11.0-p12 ? Many thx ! Ben