From owner-freebsd-current@FreeBSD.ORG Fri Oct 31 10:18:55 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from green.bikeshed.org (freefall.freebsd.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id 975F316A4CE; Fri, 31 Oct 2003 10:18:55 -0800 (PST) Received: from green.bikeshed.org (localhost [127.0.0.1]) by green.bikeshed.org (8.12.10/8.12.9) with ESMTP id h9VIItcR048598; Fri, 31 Oct 2003 13:18:55 -0500 (EST) (envelope-from green@green.bikeshed.org) Received: from localhost (green@localhost)h9VIIs6T048595; Fri, 31 Oct 2003 13:18:55 -0500 (EST) Message-Id: <200310311818.h9VIIs6T048595@green.bikeshed.org> X-Mailer: exmh version 2.6.3 04/04/2003 with nmh-1.0.4 To: Kirk McKusick , current@freebsd.org, phk@freebsd.org In-Reply-To: Message from "Brian F. Feldman" of "Thu, 23 Oct 2003 15:46:53 EDT." From: "Brian F. Feldman" Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 31 Oct 2003 13:18:54 -0500 Sender: green@green.bikeshed.org Subject: Re: runningbufspace related lock-ups with md(4)/UFS/SU (PATCH ?) 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: Fri, 31 Oct 2003 18:18:55 -0000 "Brian F. Feldman" wrote: > Kirk McKusick wrote: > > I have been able to reproduce your hang on my system and your suggested > > fix does prevent it. I am going to run some more buffer starvation-type > > tests on it this week and if they do not cause other problems, I will > > put in your suggested fix. > > Thanks, Kirk; seems everyone who's been able to reproduce it can't do so > anymore when the synchers are disallowed from waiting on runningbufspace > (a couple extra people testing it that haven't spoken up on the list). Replying to myself -- anyone with any further thoughts, objections, desire to fix this one way or another? -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\