From owner-freebsd-net@FreeBSD.ORG Sun May 2 11:32:07 2010 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id DD9941065673 for ; Sun, 2 May 2010 11:32:07 +0000 (UTC) (envelope-from to.my.trociny@gmail.com) Received: from mail-bw0-f216.google.com (mail-bw0-f216.google.com [209.85.218.216]) by mx1.freebsd.org (Postfix) with ESMTP id 65A4F8FC0C for ; Sun, 2 May 2010 11:32:06 +0000 (UTC) Received: by bwz8 with SMTP id 8so918666bwz.3 for ; Sun, 02 May 2010 04:31:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:to:cc:subject:references :organization:from:date:in-reply-to:message-id:user-agent :mime-version:content-type; bh=IS9KimR9fTaZdME8RAtjgFH5JitZK/aJIW1BSIoLwd4=; b=NaBkdj99+vz5hzF9YGlRQOl+gW1h+PwzU9xr7VseY1Tu2blLNTazcDjFTrvUOB+oM+ gQcpkvotyiUukfXEdqR2DT0JX479megu/bVowm4WRVHBhvYhvc/rfcBvBIKLtAPc7v1E 6fJFqKi8DVHmea4CgPUA+cvlf3z5RIRLjawto= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=to:cc:subject:references:organization:from:date:in-reply-to :message-id:user-agent:mime-version:content-type; b=hZoviLjQJyIaYKlo1o+8aEvETaVcvcAIW2em9H1crils82B0U+TW/SaepDIlxetNw0 U7fCU54Cg8Td5b353WdirDvLa8kiC9DBjGeYrGT1IHKzQfZEovCcw+rI+eLWTRS5kCpi QqvQN1QjT9YcBLbuBMaaP4v/Vejwnr/Bly9GE= Received: by 10.204.162.194 with SMTP id w2mr8607217bkx.160.1272799916361; Sun, 02 May 2010 04:31:56 -0700 (PDT) Received: from localhost (vpn-193-138-134-187.customer.onet.com.ua [193.138.134.187]) by mx.google.com with ESMTPS id 13sm1272411bwz.11.2010.05.02.04.31.54 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sun, 02 May 2010 04:31:55 -0700 (PDT) To: Roar Pettersen References: Organization: Home From: Mikolaj Golub Date: Sun, 02 May 2010 14:31:53 +0300 In-Reply-To: (Roar Pettersen's message of "Sun\, 2 May 2010 12\:46\:19 +0200 \(CEST\)") Message-ID: <86k4rmtu8m.fsf@kopusha.onet> User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: freebsd-net@freebsd.org Subject: Re: FreeBSD 8.0-STABLE & mpd -> system freeze X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 May 2010 11:32:07 -0000 On Sun, 2 May 2010 12:46:19 +0200 (CEST) Roar Pettersen wrote: > Upgraded some servers from 7.2-stabel to 8.0-stable early april and > since then I have seen stability problems with 8.0 servers which use > mpd (vpn). > I have tried several mpd version (5.5, 5.3 and 5.1), but the system freeze > within 6 hours or 3-5 days. Early in april we got typical watchdog timeout > error message just before the system freeze, but now we don't get any > error message. Could you try disabling flowtable to see if it helps? sysctl -w net.inet.flowtable.enable=0 > Sometimes we also see that the mpd process goes into a none killeable > stauts, and then when I execute a "shutdown -r" the system hang with > this message : > > stopping mpd5 > Waiting for PIDS : 114830 second watchdog timeout expired. Shutdown terminated. > Apr 29 21:04:52 init : some process would not die; ps axl advised > Waiting (max 60 seconds) for system process 'vnlru' to stop... Could you provide the output of procstat -kk when this happens again or even better: procstat -akk -- Mikolaj Golub