From owner-freebsd-current@FreeBSD.ORG Wed Jun 25 23:15:54 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5CA4837B401 for ; Wed, 25 Jun 2003 23:15:54 -0700 (PDT) Received: from mailspool.ops.uunet.co.za (mailspool.ops.uunet.co.za [196.7.0.140]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6C51C43FF7 for ; Wed, 25 Jun 2003 23:15:50 -0700 (PDT) (envelope-from ianf@mci.com) Received: from copernicus.so.cpt1.za.uu.net ([196.30.72.32]) by mailspool.ops.uunet.co.za with esmtp (Exim 3.36 #1) id 19VQ2j-000JpA-00; Thu, 26 Jun 2003 08:15:37 +0200 Received: from localhost ([127.0.0.1] helo=mci.com) by copernicus.so.cpt1.za.uu.net with esmtp (Exim 3.36 #1) id 19VQ2e-0002vY-00; Thu, 26 Jun 2003 08:15:32 +0200 To: Jeff Roberson In-reply-to: Your message of "Wed, 25 Jun 2003 13:34:19 -0400." <20030625133316.H17881-100000@mail.chesapeake.net> References: <20030625133316.H17881-100000@mail.chesapeake.net> From: Ian Freislich X-image-url: http://www.digs.iafrica.com/gallery/ian-small.gif X-BOFH: true X-LART: Depleted uranium X-No-Junk-Mail: I do not want to get *any* junk mail. You have been deleted Date: Thu, 26 Jun 2003 08:15:32 +0200 Message-ID: <11255.1056608132@mci.com> Sender: ianf@mci.com cc: freebsd-current@freebsd.org Subject: Re: ULE crash X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Thu, 26 Jun 2003 06:15:54 -0000 Jeff Roberson wrote: > On Wed, 25 Jun 2003, Ian Freislich wrote: > > > Hi > > > > About 4.5 minutes after rebooting with a SCHED_ULE kernel (I give > > ULE a go every few months), top started looking really wierd (the > > CPU % just kept on accumulating for each process). Before dnetc > > started, httpd showed 17% CPU, but the system was supposedly 100% > > idle at the time according to top. Then dnetc started and things > > got wierd. > > There is some bug that is preventing sleeping processes from loosing old > cpu usage. I'm looking into that. Can you tell me what version of the > sched_ule.c file you have? This looks like an old panic. $FreeBSD: src/sys/kern/sched_ule.c,v 1.46 2003/06/21 02:31:49 jeff Exp $ Ian