From owner-freebsd-net@freebsd.org Fri Nov 25 15:34:19 2016 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 A7907C54EED for ; Fri, 25 Nov 2016 15:34:19 +0000 (UTC) (envelope-from jpa@semihalf.com) Received: from mail-qk0-x230.google.com (mail-qk0-x230.google.com [IPv6:2607:f8b0:400d:c09::230]) (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 68C60925 for ; Fri, 25 Nov 2016 15:34:19 +0000 (UTC) (envelope-from jpa@semihalf.com) Received: by mail-qk0-x230.google.com with SMTP id x190so81414682qkb.0 for ; Fri, 25 Nov 2016 07:34:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=mime-version:from:date:message-id:subject:to; bh=eSsC9m19eDteg5IHO9A97a42MbLlzYO1FVYc/Nw/Xfg=; b=QW+NXOV1Or+zcekU9AuZCtJCZOEbWF4jADC9YX6SreYvC5dwQ2xn4KUpDvD7Wej0Vw Z9gGE6qtckAxxoy69YItEFyEfn+IoynyqMC06EzG7Zz+QVyYziqszBSYcnratWUIF9YW S1xSu3YpVi684kW41/xg26sw+KFKZd0jY3XUTqg+8TghadLYAItRSqmApfYWz5bSIGyJ TROxO1rm17QIzV380WLLIMWcOIUsV99CeQbI8LEePivPDNM5JYSPaH6VhffCZ3QsHUws VRwJ8CY6m4Z+qkMN8UjXld1DZWkcwl0ZLCdoCrtkNLsV8sf4LBmbiQXZX7TZUSihtRjR MJRQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=eSsC9m19eDteg5IHO9A97a42MbLlzYO1FVYc/Nw/Xfg=; b=LzaBaMqWdP6jyFE/WNNg/IDZXLDNE6CA12/EsggbAbQB4npMnHNbCX0JC7thQJruIj KV4b3e9TspKczvOOlCOD7Tbvaj9bWY2CTMqLr5uDEFIemtqIisv9gwaJ4wmt9gVar0fz wynBRFdxNQaVlnYeioJO1jV2IFqnHJC5hZ7Yj18FAJyUVbjKguK6vg/ynm1YXaAYLK16 UqN6bDqHqq9Takk4Injk0tQEQ0ZInzrI4Xo+N7xSql/CXF8PCSvVPbgZS61MyzIRwtfd keGPAClIL1CxIlyxlNeWKAWUcj/+wnep0qJv90hXb7WS6tuF1d+14yXifZ/8q5hs74de E0qQ== X-Gm-Message-State: AKaTC02V3D1PMx2th+r1fIhK5Ve7/E3KTF6rbdF5d9IVmIFTHNkMecoyVYK55nmhPif1lj/UzvirvEAn07ZqRQ== X-Received: by 10.55.129.4 with SMTP id c4mr7188532qkd.14.1480088058500; Fri, 25 Nov 2016 07:34:18 -0800 (PST) MIME-Version: 1.0 Received: by 10.55.8.11 with HTTP; Fri, 25 Nov 2016 07:33:48 -0800 (PST) From: Jakub Palider Date: Fri, 25 Nov 2016 16:33:48 +0100 Message-ID: Subject: FLOWTABLE aka TCP route caching panic To: freebsd-net@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.23 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, 25 Nov 2016 15:34:19 -0000 Hi, I have found that last month (19 Oct) the problem appeared on this list, and to my experience it persists, both on VM and bare metal installation (HEAD from yesterday). I looks that enabling FLOWTABLE option is the only source of this fault happening. It appears on our setup in 80% cases within one hour from boot up. >From our debugging, it is caused by lock on DESTROYED lock. Did you find a solution to this problem? Regards, Jakub