From owner-freebsd-current@FreeBSD.ORG Thu Apr 21 11:25:52 2005 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 8FFA816A4CE for ; Thu, 21 Apr 2005 11:25:52 +0000 (GMT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5FFB643D53; Thu, 21 Apr 2005 11:25:52 +0000 (GMT) (envelope-from davidxu@freebsd.org) Received: from [127.0.0.1] (davidxu@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.3/8.13.3) with ESMTP id j3LBPnPa083711; Thu, 21 Apr 2005 11:25:51 GMT (envelope-from davidxu@freebsd.org) Message-ID: <42678DC4.40309@freebsd.org> Date: Thu, 21 Apr 2005 19:25:56 +0800 From: David Xu User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.7.5) Gecko/20050402 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Sam Lawrance References: <1114052573.1075.10.camel@dirk.no.domain> In-Reply-To: <1114052573.1075.10.camel@dirk.no.domain> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-current@freebsd.org Subject: Re: kern/78474 for 5.4? (kernel stack swapout problem again) 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, 21 Apr 2005 11:25:52 -0000 Sam Lawrance wrote: >Will this problem: > >Swapped out procs not brought in immediately after child exits >http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/78474 > >be dealt with for the release of 5.4? > >Perhaps I'm the only FreeBSD user with swapped out processes ;-) > >-Sam > > > > I have noticed that current spinlock implementation no longer means that CPU must be in critical region (critical_enter is called), even previous hack TDP_WAKEPROC0 is no longer correct, :(, I think it is the time to disable swapout. David Xu