From owner-freebsd-current Tue Feb 4 21:54:30 2003 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 E87EB37B411; Tue, 4 Feb 2003 21:54:24 -0800 (PST) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.208.78.105]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7707143F43; Tue, 4 Feb 2003 21:54:24 -0800 (PST) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.12.6/8.12.6) with ESMTP id h155sNXv036517; Tue, 4 Feb 2003 21:54:23 -0800 (PST) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.12.6/8.12.6/Submit) id h155sN4R036516; Tue, 4 Feb 2003 21:54:23 -0800 (PST) Date: Tue, 4 Feb 2003 21:54:23 -0800 From: Steve Kargl To: Kris Kennaway Cc: jeff@FreeBSD.ORG, current@FreeBSD.ORG Subject: Re: SCHED_ULE and priorities Message-ID: <20030205055423.GA36477@troutmask.apl.washington.edu> References: <20030205053818.GA7582@rot13.obsecurity.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030205053818.GA7582@rot13.obsecurity.org> User-Agent: Mutt/1.4i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, Feb 04, 2003 at 09:38:18PM -0800, Kris Kennaway wrote: > I just booted a kernel with SCHED_ULE. It looks like there's a pretty > serious bug: > > PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND > 573 dnetc 139 20 1000K 804K RUN 1:29 85.94% 85.94% dnetc > 661 kris 96 0 2252K 1496K RUN 0:00 6.25% 6.25% top > 590 root 96 0 28620K 28128K select 0:04 3.12% 3.12% XFree86 > 641 root 120 0 4856K 4744K RUN 0:03 3.12% 3.12% make > > The make you see there was a 'make -j4' in /usr/src/secure. It has > been sitting there for about 5 minutes having done nothing other than: > Kris, How older is your src/ directory? I reported a similar problem to Jeff right after he committed ULE. He "fixed" the problem a couple days laters. I put "fixed" in quotes because after his fixes the system experienced 2 stalls under heavy load, but I couldn't prove it was ULE related (David Xu's KSE commit may have been involved in the stalls). -- Steve To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message