From owner-cvs-src@FreeBSD.ORG Tue Aug 24 20:33:11 2004 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4B22E16A4CE for ; Tue, 24 Aug 2004 20:33:11 +0000 (GMT) Received: from mail6.speakeasy.net (mail6.speakeasy.net [216.254.0.206]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0301A43D53 for ; Tue, 24 Aug 2004 20:33:11 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: (qmail 7004 invoked from network); 24 Aug 2004 20:33:10 -0000 Received: from dsl027-160-063.atl1.dsl.speakeasy.net (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) encrypted SMTP for ; 24 Aug 2004 20:33:10 -0000 Received: from [10.50.40.208] (gw1.twc.weather.com [216.133.140.1]) (authenticated bits=0) by server.baldwin.cx (8.12.11/8.12.11) with ESMTP id i7OKX3Jn097086; Tue, 24 Aug 2004 16:33:06 -0400 (EDT) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: Robert Watson Date: Tue, 24 Aug 2004 09:56:42 -0400 User-Agent: KMail/1.6.2 References: In-Reply-To: MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200408240956.42487.jhb@FreeBSD.org> X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on server.baldwin.cx cc: Brian Fundakowski Feldman cc: src-committers@FreeBSD.org cc: Alan Cox cc: cvs-src@FreeBSD.org cc: Alan Cox cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/vm vm_fault.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Aug 2004 20:33:11 -0000 On Sunday 22 August 2004 12:18 am, Robert Watson wrote: > On Sun, 22 Aug 2004, Brian Fundakowski Feldman wrote: > > Also, it was the system_map lock, so it was a mutex, not an sx. > > > > /Goes back to trying to figure out wtf portupgrade -rR kde\* keeps > > causing > > hangs, but only in X, not at the command line, and not seemingly > > dependant on AGP/X driver. > > I believe mutexes are alright also as long as you're careful about > sleeping and lock order. I.e., don't sleep while holding a > non-funnel-like mutex, etc. Witness hardcodes that Giant comes before all other mutexes. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org