From owner-svn-src-stable@FreeBSD.ORG Sat Mar 14 01:25:01 2009 Return-Path: Delivered-To: svn-src-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 91E0F106564A; Sat, 14 Mar 2009 01:25:01 +0000 (UTC) (envelope-from bms@incunabulum.net) Received: from out1.smtp.messagingengine.com (out1.smtp.messagingengine.com [66.111.4.25]) by mx1.freebsd.org (Postfix) with ESMTP id 62EC88FC08; Sat, 14 Mar 2009 01:25:01 +0000 (UTC) (envelope-from bms@incunabulum.net) Received: from compute1.internal (compute1.internal [10.202.2.41]) by out1.messagingengine.com (Postfix) with ESMTP id EA3052EBBA8; Fri, 13 Mar 2009 21:25:00 -0400 (EDT) Received: from heartbeat1.messagingengine.com ([10.202.2.160]) by compute1.internal (MEProxy); Fri, 13 Mar 2009 21:25:00 -0400 X-Sasl-enc: zxTSAs2hJxNrSIEfPDNIWKom4/nw6jgnQOmcq0UFOZsi 1236993900 Received: from [192.168.123.18] (82-35-112-254.cable.ubr07.dals.blueyonder.co.uk [82.35.112.254]) by mail.messagingengine.com (Postfix) with ESMTPSA id 1B9E016290; Fri, 13 Mar 2009 21:25:00 -0400 (EDT) Message-ID: <49BB0769.6030200@incunabulum.net> Date: Sat, 14 Mar 2009 01:24:57 +0000 From: Bruce Simpson User-Agent: Thunderbird 2.0.0.19 (Windows/20081209) MIME-Version: 1.0 To: Bruce M Simpson References: <200903140112.n2E1CZmM077949@svn.freebsd.org> In-Reply-To: <200903140112.n2E1CZmM077949@svn.freebsd.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: svn-src-stable@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, svn-src-stable-7@freebsd.org Subject: Re: svn commit: r189781 - stable/7/sys/kern X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 14 Mar 2009 01:25:02 -0000 Bruce M Simpson wrote: > Early MFC, as the test case in the PR is fairly complete and the > submitter also re-ran test case on -STABLE. It also bites Python > fairly hard, which will otherwise try to use POSIX sems for its > internal thread synchronization; this needs more in-depth testing. > Note: FreeBSD's build of Python does NOT attempt to use POSIX sems by default, it will only do this if explicitly patched to do so. It defaults to using condvars + mutexes to build Python's internal thread locks. I'd encourage folk to try the patch which does this, I only posted the 'side-step' patch (i.e. use GNU Pth, needs to be explicitly enabled in OPTIONS) but the changes needed are in here too: http://people.freebsd.org/~bms/dump/python26-fbsd-pth.patch cheers BMS