From owner-freebsd-stable@FreeBSD.ORG Thu Feb 17 20:34:04 2005 Return-Path: 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 E4C6D16A4CE for ; Thu, 17 Feb 2005 20:34:04 +0000 (GMT) Received: from smtp815.mail.sc5.yahoo.com (smtp815.mail.sc5.yahoo.com [66.163.170.1]) by mx1.FreeBSD.org (Postfix) with SMTP id AC26A43D46 for ; Thu, 17 Feb 2005 20:34:04 +0000 (GMT) (envelope-from noackjr@alumni.rice.edu) Received: from unknown (HELO optimator.noacks.org) (noacks@swbell.net@70.240.177.173 with login) by smtp815.mail.sc5.yahoo.com with SMTP; 17 Feb 2005 20:34:04 -0000 Received: from localhost (localhost [127.0.0.1]) by optimator.noacks.org (Postfix) with ESMTP id B35AF634B; Thu, 17 Feb 2005 14:34:03 -0600 (CST) Received: from optimator.noacks.org ([127.0.0.1]) by localhost (optimator.noacks.org [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 29003-02-2; Thu, 17 Feb 2005 14:34:02 -0600 (CST) Received: from [127.0.0.1] (optimator [192.168.1.11]) by optimator.noacks.org (Postfix) with ESMTP id 27132633F; Thu, 17 Feb 2005 14:34:02 -0600 (CST) Message-ID: <4214FFAF.6030301@alumni.rice.edu> Date: Thu, 17 Feb 2005 14:33:51 -0600 From: Jon Noack User-Agent: Mozilla Thunderbird 1.0 (Windows/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Julio Capote References: <1108671177.17247.6.camel@hatter.wonderland.dn> In-Reply-To: <1108671177.17247.6.camel@hatter.wonderland.dn> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: amavisd-new at noacks.org cc: stable@freebsd.org Subject: Re: Brief window moving delay after idle.. X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: noackjr@alumni.rice.edu List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Feb 2005 20:34:05 -0000 Julio Capote wrote: > I've been on RELENG_5 for about 1 week now running ULE with PREEMPT. > Recently, I noticed some strange behavior that could be related to > scheduling; usually I leave my computer on all night (doing nothing as I > sleep), But when I'd wake up, and drag a window around, it seems this > sudden rush of input catches the scheduler by surprise and everything is > really slow for about 5 seconds. Its a peculiar type of "slow" since > everything moves smoothly, just 1-2 seconds behind, theres no stuttering > at all. Gkrellm shows my cpu usage to peak for the time its really slow, > and then drop to normal when everything "pops" back into speed. I guess > the best way to describe it would be "bullet time" on your desktop. ^^^^^^^^^^^ Sounds like a feature... ;-) Seriously, though: I recently tried ULE+PREEMPTION on a few machines and got some panics on my SMP box (http://lists.freebsd.org/pipermail/freebsd-stable/2005-February/011951.html). My UP machines haven't done anything too strange, though. *shrug* Getting a lot closer, but not quite there yet... Jon