From owner-freebsd-emulation@FreeBSD.ORG Thu Feb 19 18:00:51 2009 Return-Path: Delivered-To: emulation@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1AA46106566C for ; Thu, 19 Feb 2009 18:00:51 +0000 (UTC) (envelope-from arno@heho.snv.jussieu.fr) Received: from shiva.jussieu.fr (shiva.jussieu.fr [134.157.0.129]) by mx1.freebsd.org (Postfix) with ESMTP id 95A6B8FC14 for ; Thu, 19 Feb 2009 18:00:50 +0000 (UTC) (envelope-from arno@heho.snv.jussieu.fr) Received: from heho.snv.jussieu.fr (heho.snv.jussieu.fr [134.157.184.22]) by shiva.jussieu.fr (8.14.3/jtpda-5.4) with ESMTP id n1JI0mUX003417 ; Thu, 19 Feb 2009 19:00:48 +0100 (CET) X-Ids: 166 Received: from heho.snv.jussieu.fr (localhost [127.0.0.1]) by heho.snv.jussieu.fr (8.14.3/8.14.3) with ESMTP id n1JI0k9V045148; Thu, 19 Feb 2009 19:00:46 +0100 (CET) (envelope-from arno@heho.snv.jussieu.fr) Received: (from arno@localhost) by heho.snv.jussieu.fr (8.14.3/8.14.3/Submit) id n1JI0jpT045145; Thu, 19 Feb 2009 19:00:45 +0100 (CET) (envelope-from arno) To: Takahiro Kurosawa From: "Arno J. Klaassen" References: <200902081700.n18H0EvJ046014@freefall.freebsd.org> Date: Thu, 19 Feb 2009 19:00:45 +0100 In-Reply-To: (Takahiro Kurosawa's message of "Wed\, 18 Feb 2009 00\:19\:56 +0900") Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0.1 (shiva.jussieu.fr [134.157.0.166]); Thu, 19 Feb 2009 19:00:48 +0100 (CET) X-Virus-Scanned: ClamAV 0.94.2/9013/Thu Feb 19 17:34:10 2009 on shiva.jussieu.fr X-Virus-Status: Clean X-Miltered: at jchkmail.jussieu.fr with ID 499D9E50.001 by Joe's j-chkmail (http : // j-chkmail dot ensmp dot fr)! X-j-chkmail-Enveloppe: 499D9E50.001/134.157.184.22/heho.snv.jussieu.fr/heho.snv.jussieu.fr/ X-j-chkmail-Score: MSGID : 499D9E50.001 on jchkmail.jussieu.fr : j-chkmail score : . : R=. U=. O=. B=0.018 -> S=0.018 X-j-chkmail-Status: Ham Cc: emulation@FreeBSD.org, kib@FreeBSD.org Subject: Re: kern/131506: pipes in forked procs sometimes hang under Linux emulation 2.6.16 X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Feb 2009 18:00:51 -0000 Takahiro Kurosawa writes: > It seems that vfork/exec synchronization was changed recently > but the linux emulation code keeps using the obsolete mechanism. > > The attached patch may fix the problem. yes it seems to do so. Thank you for finding this and thanks to kib@FreeBSD.org for committing. Best regards, Arno