From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: [PATCH v5] KVM: VMX: Enable XSAVE/XRSTORE for guest Date: Wed, 26 May 2010 12:52:02 +0200 Message-ID: <4BFCFD52.7020601@siemens.com> References: <1274865557-31137-1-git-send-email-sheng@linux.intel.com> <4BFCEFC4.5080800@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Sheng Yang , Marcelo Tosatti , Anthony Liguori , kvm@vger.kernel.org, qemu-devel@nongnu.org, Dexuan Cui To: Avi Kivity Return-path: Received: from david.siemens.de ([192.35.17.14]:19567 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932077Ab0EZKwY (ORCPT ); Wed, 26 May 2010 06:52:24 -0400 In-Reply-To: <4BFCEFC4.5080800@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Avi Kivity wrote: > On 05/26/2010 12:19 PM, Sheng Yang wrote: >> I've done a prototype of LM support, would send out tomorrow. But the >> test >> case in QEmu side seems got something wrong. I always got an segfault at: >> qemu-kvm/hw/fw_cfg.c:223 >> 223 s->entries[arch][key].data = data; >> >> Haven't looked into it yet. But maybe someone knows the reason... >> > > I saw this too, then it disappeared, can't remember why. Perhaps a > clean build is needed? qemu-kvm apparently lacks upstream commit a71cd2a523f9b35ffeba8de3c536e494e255e6ea which should resolve at least some of those mysterious crashes. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=53380 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OHEDd-0005WT-1d for qemu-devel@nongnu.org; Wed, 26 May 2010 06:52:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OHEDb-0003dv-Oy for qemu-devel@nongnu.org; Wed, 26 May 2010 06:52:12 -0400 Received: from david.siemens.de ([192.35.17.14]:19529) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OHEDb-0003di-Ep for qemu-devel@nongnu.org; Wed, 26 May 2010 06:52:11 -0400 Message-ID: <4BFCFD52.7020601@siemens.com> Date: Wed, 26 May 2010 12:52:02 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <1274865557-31137-1-git-send-email-sheng@linux.intel.com> <4BFCEFC4.5080800@redhat.com> In-Reply-To: <4BFCEFC4.5080800@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCH v5] KVM: VMX: Enable XSAVE/XRSTORE for guest List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: kvm@vger.kernel.org, Dexuan Cui , Marcelo Tosatti , qemu-devel@nongnu.org, Sheng Yang Avi Kivity wrote: > On 05/26/2010 12:19 PM, Sheng Yang wrote: >> I've done a prototype of LM support, would send out tomorrow. But the >> test >> case in QEmu side seems got something wrong. I always got an segfault at: >> qemu-kvm/hw/fw_cfg.c:223 >> 223 s->entries[arch][key].data = data; >> >> Haven't looked into it yet. But maybe someone knows the reason... >> > > I saw this too, then it disappeared, can't remember why. Perhaps a > clean build is needed? qemu-kvm apparently lacks upstream commit a71cd2a523f9b35ffeba8de3c536e494e255e6ea which should resolve at least some of those mysterious crashes. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux