From owner-freebsd-arch@FreeBSD.ORG Sun Jan 8 19:59:18 2012 Return-Path: Delivered-To: arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E7C3C1065675; Sun, 8 Jan 2012 19:59:17 +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 667608FC1A; Sun, 8 Jan 2012 19:59:16 +0000 (UTC) Received: from skuns.kiev.zoral.com.ua (localhost [127.0.0.1]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id q08JxDJY083633 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 8 Jan 2012 21:59:13 +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 (8.14.5/8.14.5) with ESMTP id q08JxDfc047052; Sun, 8 Jan 2012 21:59:13 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.5/8.14.5/Submit) id q08JxDvF047051; Sun, 8 Jan 2012 21:59:13 +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: Sun, 8 Jan 2012 21:59:13 +0200 From: Kostik Belousov To: Yamagi Burmeister Message-ID: <20120108195913.GI31224@deviant.kiev.zoral.com.ua> References: <20111226220756.GR50300@deviant.kiev.zoral.com.ua> <20120102063700.GF50300@deviant.kiev.zoral.com.ua> <20120108174112.50e030ba.lists@yamagi.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="+OcHDfVcPO70+1iC" Content-Disposition: inline In-Reply-To: <20120108174112.50e030ba.lists@yamagi.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=-3.9 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: amd64@freebsd.org, arch@freebsd.org Subject: Re: AVX X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 08 Jan 2012 19:59:18 -0000 --+OcHDfVcPO70+1iC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jan 08, 2012 at 05:41:12PM +0100, Yamagi Burmeister wrote: > Hi, > I've tested your patch on a Core2Duo with XSAVE but (of course) without > AVX on 10-CURRENT as of today (r229812): >=20 > CPU: Intel(R) Core(TM)2 Duo CPU T6670 @ 2.20GHz (2194.55-MHz > K8-class CPU) Origin =3D "GenuineIntel" Id =3D 0x1067a Family =3D 6 Mo= del > =3D 17 Stepping =3D 10 > Features=3D0xbfebfbff MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > Features2=3D0x408e3bd PDCM,SSE4.1,XSAVE> > AMD Features=3D0x20100800 AMD Features2=3D0x1=20 Is this Features excerpt from the patched kernel, or from pristine svn sources ? If the later, please show me the Features from the patched kernel. >=20 > Everything's fine: > - System is booting without a problem > - All applications are working > - AVX applications are still failing with SIGILL >=20 > But there's one problem: While a shutdown (shutdown -p now) is always > successfull a reboot (shutdown -r now) and suspend (zzz) are resulting=20 > in a double panic. The first panic is a "Fatal trap 9: general > protection fault while in kernel mode" on "cpuid =3D 1; apic id =3D 01". > The process is always "idle: cpu1". >=20 > The second panic is also "Fatal trap 9: general protection fault while > in kernel mode" but with "cpuid =3D 0; apic id =3D 00". The process is > always "init".=20 >=20 > Since it's a dual core cpu, one panic for each processor core?=20 >=20 > I'm unable to get a core dump and ddb is unresponsive to any keyboard > input. A serial console is unavailable, since it's a laptop... > Nevertheless I've uploaded screenshots of both panics to: > =20 > http://deponie.yamagi.org/freebsd/debug/avx=20 I thought that I correctly handled savectx, but apparently I did not. The issue for sleep enter could be fixed by the avx.4.patch, I am not sure about shutdown -r panic. http://people.freebsd.org/~kib/misc/avx.4.patch --+OcHDfVcPO70+1iC Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk8J9ZEACgkQC3+MBN1Mb4hCkACfRfaVp2kkmdloEwBMrrxK6wms QCcAoJBGCqQasa9UV9hZbSTAxS4mHVnv =oOp+ -----END PGP SIGNATURE----- --+OcHDfVcPO70+1iC--