From owner-freebsd-stable@freebsd.org Wed Sep 14 23:51:10 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 C22A3BDA9E0 for ; Wed, 14 Sep 2016 23:51:10 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from zxy.spb.ru (zxy.spb.ru [195.70.199.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 82E7A15EF for ; Wed, 14 Sep 2016 23:51:10 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from slw by zxy.spb.ru with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1bkJxK-000GsK-Df; Thu, 15 Sep 2016 02:51:06 +0300 Date: Thu, 15 Sep 2016 02:51:06 +0300 From: Slawa Olhovchenkov To: "Oleksandr V. Typlyns'kyi" Cc: freebsd-stable@FreeBSD.org Subject: Re: 11.0 stuck on high network load Message-ID: <20160914235106.GO2840@zxy.spb.ru> References: <20160904215739.GC22212@zxy.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: slw@zxy.spb.ru X-SA-Exim-Scanned: No (on zxy.spb.ru); SAEximRunCond expanded to false 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 23:51:10 -0000 On Thu, Sep 15, 2016 at 02:33:07AM +0300, Oleksandr V. Typlyns'kyi wrote: > 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. No, only default exist and don't changed