From owner-freebsd-emulation@FreeBSD.ORG Wed Feb 18 13:34:54 2009 Return-Path: Delivered-To: freebsd-emulation@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D71AA106564A for ; Wed, 18 Feb 2009 13:34:54 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.terabit.net.ua (mail.terabit.net.ua [195.137.202.147]) by mx1.freebsd.org (Postfix) with ESMTP id 79B1B8FC16 for ; Wed, 18 Feb 2009 13:34:54 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from skuns.zoral.com.ua ([91.193.166.194] helo=mail.zoral.com.ua) by mail.terabit.net.ua with esmtps (TLSv1:AES256-SHA:256) (Exim 4.63 (FreeBSD)) (envelope-from ) id 1LZmZf-000AU1-L6; Wed, 18 Feb 2009 15:34:52 +0200 Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id n1IDYmD2032869 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 18 Feb 2009 15:34:48 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3) with ESMTP id n1IDYm11068435; Wed, 18 Feb 2009 15:34:48 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3/Submit) id n1IDYmXO068434; Wed, 18 Feb 2009 15:34:48 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Wed, 18 Feb 2009 15:34:48 +0200 From: Kostik Belousov To: Takahiro Kurosawa Message-ID: <20090218133448.GP41617@deviant.kiev.zoral.com.ua> References: <200902181320.n1IDK2Zh024098@freefall.freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="0UhZIN3Sa23/ILEd" Content-Disposition: inline In-Reply-To: <200902181320.n1IDK2Zh024098@freefall.freebsd.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: ClamAV version 0.94.2, clamav-milter version 0.94.2 on skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00, FUZZY_CPILL autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua X-Virus-Scanned: mail.terabit.net.ua 1LZmZf-000AU1-L6 3ae3825b1f14b0e1405424f934a3262d X-Terabit: YES Cc: freebsd-emulation@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: Wed, 18 Feb 2009 13:34:55 -0000 --0UhZIN3Sa23/ILEd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Feb 18, 2009 at 01:20:02PM +0000, Takahiro Kurosawa wrote: > The following reply was made to PR kern/131506; it has been noted by GNAT= S. >=20 > From: Takahiro Kurosawa > To: bug-followup@freebsd.org, arno@heho.snv.jussieu.fr > Cc: =20 > Subject: Re: kern/131506: pipes in forked procs sometimes hang under Linu= x=20 > emulation 2.6.16 > Date: Wed, 18 Feb 2009 21:44:13 +0900 >=20 > --000e0cd156a4ef843b046330c6a5 > Content-Type: text/plain; charset=3DISO-8859-1 > Content-Transfer-Encoding: 7bit > =20 > (resending to bug-followup@, sorry if duplicate) > =20 > It seems that vfork/exec synchronization was changed recently > but the linux emulation code keeps using the obsolete mechanism. > =20 > The attached patch may fix the problem. > =20 > --000e0cd156a4ef843b046330c6a5 > Content-Type: text/x-diff; charset=3DUS-ASCII; name=3D"pwaitfix.diff" > Content-Disposition: attachment; filename=3D"pwaitfix.diff" > Content-Transfer-Encoding: base64 > X-Attachment-Id: f_frapwkae0 > =20 > PT09IHN5cy9hbWQ2NC9saW51eDMyL2xpbnV4MzJfbWFjaGRlcC5jCj09PT09PT09PT09PT09= PT09 > PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0g= c3lz > L2FtZDY0L2xpbnV4MzIvbGludXgzMl9tYWNoZGVwLmMJKHJldmlzaW9uIDE4ODc0MSkKKysr= IHN5 > cy9hbWQ2NC9saW51eDMyL2xpbnV4MzJfbWFjaGRlcC5jCShsb2NhbCkKQEAgLTU2MCw3ICs1= NjAs > NyBAQAogCS8qIHdhaXQgZm9yIHRoZSBjaGlsZHJlbiB0byBleGl0LCBpZS4gZW11bGF0ZSB2= Zm9y > ayAqLwogCVBST0NfTE9DSyhwMik7CiAJd2hpbGUgKHAyLT5wX2ZsYWcgJiBQX1BQV0FJVCkK= LQkg > ICAJbXNsZWVwKHRkLT50ZF9wcm9jLCAmcDItPnBfbXR4LCBQV0FJVCwgInBwd2FpdCIsIDAp= Owor > CQljdl93YWl0KCZwMi0+cF9wd2FpdCwgJnAyLT5wX210eCk7CiAJUFJPQ19VTkxPQ0socDIp= Owog > CiAJcmV0dXJuICgwKTsKQEAgLTc0OSw3ICs3NDksNyBAQAogCQkvKiB3YWl0IGZvciB0aGUg= Y2hp > bGRyZW4gdG8gZXhpdCwgaWUuIGVtdWxhdGUgdmZvcmsgKi8KIAkJUFJPQ19MT0NLKHAyKTsK= IAkJ > d2hpbGUgKHAyLT5wX2ZsYWcgJiBQX1BQV0FJVCkKLQkJCW1zbGVlcCh0ZC0+dGRfcHJvYywg= JnAy > LT5wX210eCwgUFdBSVQsICJwcHdhaXQiLCAwKTsKKwkJCWN2X3dhaXQoJnAyLT5wX3B3YWl0= LCAm > cDItPnBfbXR4KTsKIAkJUFJPQ19VTkxPQ0socDIpOwogCX0KIAo9PT0gc3lzL2kzODYvbGlu= dXgv > bGludXhfbWFjaGRlcC5jCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09= PT09 > PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gc3lzL2kzODYvbGludXgvbGludXhfbWFj= aGRl > cC5jCShyZXZpc2lvbiAxODg3NDEpCisrKyBzeXMvaTM4Ni9saW51eC9saW51eF9tYWNoZGVw= LmMJ > KGxvY2FsKQpAQCAtMzc2LDcgKzM3Niw3IEBACiAJLyogd2FpdCBmb3IgdGhlIGNoaWxkcmVu= IHRv > IGV4aXQsIGllLiBlbXVsYXRlIHZmb3JrICovCiAJUFJPQ19MT0NLKHAyKTsKIAl3aGlsZSAo= cDIt > PnBfZmxhZyAmIFBfUFBXQUlUKQotCSAgIAltc2xlZXAodGQtPnRkX3Byb2MsICZwMi0+cF9t= dHgs > IFBXQUlULCAicHB3YWl0IiwgMCk7CisJCWN2X3dhaXQoJnAyLT5wX3B3YWl0LCAmcDItPnBf= bXR4 > KTsKIAlQUk9DX1VOTE9DSyhwMik7CiAKIAlyZXR1cm4gKDApOwpAQCAtNTgxLDcgKzU4MSw3= IEBA > CiAgICAJICAgCS8qIHdhaXQgZm9yIHRoZSBjaGlsZHJlbiB0byBleGl0LCBpZS4gZW11bGF0= ZSB2 > Zm9yayAqLwogICAgCSAgIAlQUk9DX0xPQ0socDIpOwogCQl3aGlsZSAocDItPnBfZmxhZyAm= IFBf > UFBXQUlUKQotICAgCQkgICAJbXNsZWVwKHRkLT50ZF9wcm9jLCAmcDItPnBfbXR4LCBQV0FJ= VCwg > InBwd2FpdCIsIDApOworCQkJY3Zfd2FpdCgmcDItPnBfcHdhaXQsICZwMi0+cF9tdHgpOwog= CQlQ > Uk9DX1VOTE9DSyhwMik7CiAJfQogCg=3D=3D > --000e0cd156a4ef843b046330c6a5-- Please, resend the patch without base64-encoding, best as a plain/text attachment. --0UhZIN3Sa23/ILEd Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEUEARECAAYFAkmcDncACgkQC3+MBN1Mb4hARwCfVy1JIV6q9cUf5yLuRV7OlxNO QnUAl1EbA6qLRpM4k7vDRgJwKqJFJDA= =LBik -----END PGP SIGNATURE----- --0UhZIN3Sa23/ILEd--