From owner-freebsd-current@FreeBSD.ORG Wed Jan 11 00:01:21 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B46291065670; Wed, 11 Jan 2012 00:01:21 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id 784AF8FC0C; Wed, 11 Jan 2012 00:01:21 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:1d3e:4d27:b4ee:e1e2]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPA id AD48B4AC2D; Wed, 11 Jan 2012 04:01:19 +0400 (MSK) Date: Wed, 11 Jan 2012 04:01:14 +0400 From: Lev Serebryakov Organization: FreeBSD X-Priority: 3 (Normal) Message-ID: <16821107.20120111040114@serebryakov.spb.ru> To: Alexander Motin In-Reply-To: <4F0CCB50.8020109@FreeBSD.org> References: <1791250845.20120111030529@serebryakov.spb.ru> <108354307.20120111032108@serebryakov.spb.ru> <4F0CCB50.8020109@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=windows-1251 Content-Transfer-Encoding: quoted-printable Cc: FreeBSD current , net@freebsd.org Subject: Re: Very fresh (two days ago) 10-current becomes completely unresponsive under load X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: lev@FreeBSD.org List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Jan 2012 00:01:21 -0000 Hello, Alexander. You wrote 11 =FF=ED=E2=E0=F0=FF 2012 =E3., 3:35:44: > I remember no changes in mpd-5.6 that I would expect to cause this. Any > way it should be trivial to check -- just build 5.5. I'll try tomorrow. > What do you have configured in mpd configuration and netgraph at all?=20 > AFAIR for plain PPPoE it is not very typical to use ng_queue at all as > it doesn't requires stack unwrapping and at least few years ago stack=20 > size was sufficient to run all processing in one pass. I've sent config to you directly. BTW, I've never seen ng_queue in top 10 lines before. Interrupts? For sure. Soft interurpts (netisr)? Yes. ng_queue? Never. --=20 // Black Lion AKA Lev Serebryakov