From owner-freebsd-current@FreeBSD.ORG Sun Nov 29 07:58:00 2009 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 09D6C106568D for ; Sun, 29 Nov 2009 07:58:00 +0000 (UTC) (envelope-from serenity@exscape.org) Received: from ch-smtp01.sth.basefarm.net (ch-smtp01.sth.basefarm.net [80.76.149.212]) by mx1.freebsd.org (Postfix) with ESMTP id BA12C8FC12 for ; Sun, 29 Nov 2009 07:57:59 +0000 (UTC) Received: from c83-253-248-99.bredband.comhem.se ([83.253.248.99]:46681 helo=mx.exscape.org) by ch-smtp01.sth.basefarm.net with esmtp (Exim 4.68) (envelope-from ) id 1NEeeS-00020C-4b; Sun, 29 Nov 2009 08:57:02 +0100 Received: from [192.168.1.5] (macbookpro [192.168.1.5]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mx.exscape.org (Postfix) with ESMTPSA id 0EE79374F8; Sun, 29 Nov 2009 08:56:57 +0100 (CET) Mime-Version: 1.0 (Apple Message framework v1077) Content-Type: text/plain; charset=us-ascii From: Thomas Backman In-Reply-To: <20091128212226.GA9841@server.vk2pj.dyndns.org> Date: Sun, 29 Nov 2009 08:56:55 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <3ABF47F1-86EC-4CF2-9D42-86344D0F455B@exscape.org> References: <20091128212226.GA9841@server.vk2pj.dyndns.org> To: Peter Jeremy X-Mailer: Apple Mail (2.1077) X-Originating-IP: 83.253.248.99 X-Scan-Result: No virus found in message 1NEeeS-00020C-4b. X-Scan-Signature: ch-smtp01.sth.basefarm.net 1NEeeS-00020C-4b 006e52ba7489c1885160a5ca801540a2 Cc: freebsd-current@freebsd.org Subject: Re: Non-responsive 8.0-RC1 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Nov 2009 07:58:00 -0000 On Nov 28, 2009, at 10:22 PM, Peter Jeremy wrote: > My main server is running 8.0/amd64 from between RC1 and RC2 and I've > recently had a couple of long-duration hangs on it during which time > processes doing I/O will stop responding. >=20 > The system is a dual-core Athlon with the base OS (root/usr/var) on > UFS and the remainder of the filesystem ZFS. It's running SCHEDULE. > It runs a pair of BOINC processes in the background. The first time, Hmm, I know there was some fix to the scheduler re: thread priority, and = it wouldn't surprise me if it was after your revision. My advice would be to upgrade to -RELEASE if possible. If not, at least = check whether your build should be affected. http://svn.freebsd.org/viewvc/base?view=3Drevision&revision=3D198246 Regards, Thomas=