From owner-freebsd-stable@freebsd.org Wed Sep 14 23:33:16 2016 Return-Path: Delivered-To: freebsd-stable@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 1A970BDA452 for ; Wed, 14 Sep 2016 23:33:16 +0000 (UTC) (envelope-from astral@wangsamp.km.ua) Received: from h.sputnikmedia.net (h.sputnikmedia.net [193.239.68.13]) by mx1.freebsd.org (Postfix) with ESMTP id CC5771DD3 for ; Wed, 14 Sep 2016 23:33:15 +0000 (UTC) (envelope-from astral@wangsamp.km.ua) Received: from h.sputnikmedia.net (h.sputnikmedia.net [193.239.68.13]) by h.sputnikmedia.net (Postfix) with ESMTP id 461F41708D; Thu, 15 Sep 2016 02:33:07 +0300 (EEST) Date: Thu, 15 Sep 2016 02:33:07 +0300 (EEST) From: "Oleksandr V. Typlyns'kyi" To: Slawa Olhovchenkov cc: freebsd-stable@FreeBSD.org Subject: Re: 11.0 stuck on high network load In-Reply-To: <20160904215739.GC22212@zxy.spb.ru> Message-ID: References: <20160904215739.GC22212@zxy.spb.ru> X-Mailer: MTA++ MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Sep 2016 23:33:16 -0000 Sep 5 Sep 5, 2016 at 00:57 Slawa Olhovchenkov wrote: > I am try using 11.0 on Dual E5-2620 (no X2APIC). > Under high network load and may be addtional conditional system go to > unresponsible state -- no reaction to network and console (USB IPMI > emulation). INVARIANTS give to high overhad. Is this exist some way to > debug this? Do you have any routing table changes? In my case system totally hangs after route change command invocation. Sequence of commands route del + route add works fine. Maybe it is FIB related, but with -fib option system hangs too. -- WNGS-RIPE