From owner-freebsd-net@freebsd.org Fri Aug 4 17:42:08 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 3192CDC0489 for ; Fri, 4 Aug 2017 17:42:08 +0000 (UTC) (envelope-from ben.rubson@gmail.com) Received: from mail-wm0-x229.google.com (mail-wm0-x229.google.com [IPv6:2a00:1450:400c:c09::229]) (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 B6FD37102A; Fri, 4 Aug 2017 17:42:07 +0000 (UTC) (envelope-from ben.rubson@gmail.com) Received: by mail-wm0-x229.google.com with SMTP id t201so25403098wmt.0; Fri, 04 Aug 2017 10:42:07 -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=4Re2nXV+OGekkaMh341Q86ifJYbTQgOMCTvNlH9eEIY=; b=BpCZzMA98EssAbx8zWA3GDf3/6CkKdboWsu86n6fIeYmNoM/zeleiJLfHm5T0p6nW5 G1AcoDtV83Mv5ELztd1Z6MFgT6I/I+aBP5UFX6ezK5Okcvlx2P8MbmS5AYxjbXV3uV7/ jJLM2Cxxb2GHo3yHdCpV9tbs3zguVUr4oUFD56uX+Zwk0l6+S0hyCVKFGoyOpZJXI9i8 0dP9PG8TYcIQEASUyOqeUq1vbUP/BSSQ7fnEyBfDO2Y68feJ74yNg7ZySv8e5lvGgM+Y 8nT43+o6X6K2bKeIw2aUd8SriUiBEPyvbPaJHGAyeLGfg1bXz9NFGz6ec7vP9tyYJ1AD /QLA== 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=4Re2nXV+OGekkaMh341Q86ifJYbTQgOMCTvNlH9eEIY=; b=mZu6n5uClbgAHqjKABt87IT9boR/5q9T7blyuPBcJZyHCfy7w7A0n2CG5bd1fWu67S yAepTrsvHkyA4il9vuaD90OhW1YspaWnc/i/zCpRkhBLv5IzgG9Vt8F/dMoB+4SkExX2 hlpan1AlpxmJEoo4HkG2xvIJWfFcKXuus//KdoTyfE01Z36Rc/UbrJw/fxogT9oZDfh3 My1rpt4/36aDs1XMELN32SkRvn8OP5DZbSFm6j5u1A1nXPeFFkE3neId2GkNDwucDMNn djAaKNdzbuUTSgsDTa3r/vZUAYun33ueS8t8PG4cuxTZmDRntBLqxB8Af9lPFX4fcxwt jkJw== X-Gm-Message-State: AHYfb5hloajywpUGhcThkxkdXNsDhJYo1JvBrTKFsLxwcVzfpcrQLLCX Xa3l88A20emz8eSPgjM= X-Received: by 10.28.25.6 with SMTP id 6mr1878232wmz.157.1501868525834; Fri, 04 Aug 2017 10:42:05 -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 l25sm5097832wrb.44.2017.08.04.10.42.04 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 04 Aug 2017 10:42:05 -0700 (PDT) Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: mlx4en, timer irq @100%... From: Ben RUBSON In-Reply-To: Date: Fri, 4 Aug 2017 19:42:03 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: <4DF74CB8-23D2-4CCF-B699-5B86DAEA65E5@gmail.com> References: <72b9de84-5572-3737-b274-34d2c5cdf634@selasky.org> <91DCB96E-4C08-44C5-94E7-E7C686DEFE5F@gmail.com> To: FreeBSD Net 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, 04 Aug 2017 17:42:08 -0000 > On 04 Aug 2017, at 19:31, Hans Petter Selasky wrote: >=20 > On 08/04/17 19:13, Ben RUBSON wrote: >> 12 100029 intr swi4: clock (0) tcp_tw_2msl_scan = pfslowtimo softclock_call_cc softclock intr_event_execute_handlers = ithread_loop fork_exit fork_trampoline >=20 > Hi, >=20 > Can you "procstat -ak" a few times and grep for swi4. If the entry = above does not disappear this is the culpit. Either the callout list is = corrupted or there is an issue inside tcp_tw_2msl_scan(). Still here since my log catch 30 minutes ago, and sounds like it does = not want to disappear. > I'm CC'ing Glebius hence he's been involved with timer issues in the = kernel earlier. Feel free to ask me whatever you need to investigate on this ! I let this (production :/) server in this state to have a chance to get = interesting traces. Thank you, Ben