From owner-freebsd-stable@FreeBSD.ORG Sat May 13 14:44:58 2006 Return-Path: X-Original-To: stable@freebsd.org Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DC3ED16A415; Sat, 13 May 2006 14:44:58 +0000 (UTC) (envelope-from sam@errno.com) Received: from ebb.errno.com (ebb.errno.com [69.12.149.25]) by mx1.FreeBSD.org (Postfix) with ESMTP id 909C443D45; Sat, 13 May 2006 14:44:58 +0000 (GMT) (envelope-from sam@errno.com) Received: from [172.16.0.250] ([137.122.39.83]) (authenticated bits=0) by ebb.errno.com (8.13.6/8.12.6) with ESMTP id k4DEipAh048206 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 13 May 2006 07:44:53 -0700 (PDT) (envelope-from sam@errno.com) Message-ID: <4465F0E4.8020205@errno.com> Date: Sat, 13 May 2006 10:44:52 -0400 From: Sam Leffler Organization: Errno Consulting User-Agent: Thunderbird 1.5.0.2 (Macintosh/20060308) MIME-Version: 1.0 To: Suleiman Souhlal References: <4464FA8D.5060309@fer.hr> <44652D88.1070408@FreeBSD.org> <4465CA8B.7000509@fer.hr> <4465EE4D.2090701@FreeBSD.org> In-Reply-To: <4465EE4D.2090701@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-DCC-dmv.com-Metrics: ebb.errno.com 1181; Body=3 Fuz1=3 Fuz2=3 Cc: stable@freebsd.org, Ivan Voras Subject: Re: pagezero again X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 13 May 2006 14:44:59 -0000 Suleiman Souhlal wrote: > Ivan Voras wrote: >> >> PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND >> 39 root 1 -44 -163 0K 8K pgzero 1 772:59 18.41% >> pagezero > > It looks like the pagezero thread has a wrong priority. It should be 171 > . I guess there's a bug in the scheduler that makes it change in certain > conditions. Maybe this is the same problem jhb recently fixed in head with threads getting assigned the wrong priority under certain conditions (it showed up most easily with taskq threads). Sam