From owner-freebsd-stable@FreeBSD.ORG Mon Feb 8 19:46:59 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 59C751065670; Mon, 8 Feb 2010 19:46:59 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id BA6158FC1E; Mon, 8 Feb 2010 19:46:58 +0000 (UTC) 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 o18JkpF6039832 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 8 Feb 2010 21:46:51 +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 o18JkpbU074955; Mon, 8 Feb 2010 21:46:51 +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 o18JkpI5074954; Mon, 8 Feb 2010 21:46:51 +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: Mon, 8 Feb 2010 21:46:51 +0200 From: Kostik Belousov To: John Baldwin Message-ID: <20100208194651.GP9991@deviant.kiev.zoral.com.ua> References: <4B6B89E7.8030002@sdf.lonestar.org> <201002081315.06445.jhb@freebsd.org> <20100208185146.GO9991@deviant.kiev.zoral.com.ua> <201002081442.33579.jhb@freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="3loezlmesXOUD0D5" Content-Disposition: inline In-Reply-To: <201002081442.33579.jhb@freebsd.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at 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 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: Tom McLaughlin , freebsd-stable@freebsd.org Subject: Re: Recent MFC to 7 causes crash on VMware ESXi X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Feb 2010 19:46:59 -0000 --3loezlmesXOUD0D5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Feb 08, 2010 at 02:42:33PM -0500, John Baldwin wrote: > On Monday 08 February 2010 1:51:46 pm Kostik Belousov wrote: > > On Mon, Feb 08, 2010 at 01:15:06PM -0500, John Baldwin wrote: > > > > > I thought the old condition only happened under VMware? > > > >=20 > > > > Reports I got where from XEN. > > >=20 > > > Ok. Those would also be covered under the vm_guest test as it is > > > non-zero for Xen, VMware, Parallels, etc. > >=20 > > What I said was suggestion and not objection. Ignore me. >=20 > Were there any reports of problems with Intel CPUs that weren't under a= =20 > virtualization system? If so, we should keep the test, but my understand= ing=20 > was that the test was only true under specific virtualization environment= s. Forcing Intel CPU to use CLFLUSH, by clearing SS bit, caused reserved trap on Pentium M at least. My concern is that if Intel makes some stripped-down CPU with CLFLUSH but without SS logic, we would be affected. --3loezlmesXOUD0D5 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEYEARECAAYFAktwaioACgkQC3+MBN1Mb4j7NQCg2vzX6SmnuV/PvJFHrCpaBhL7 pAQAoI1mFd+HsRCaNvUPtosZ3XRldJ02 =/ChU -----END PGP SIGNATURE----- --3loezlmesXOUD0D5--