From owner-freebsd-hackers@FreeBSD.ORG Tue Feb 17 08:58:57 2015 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 097E46BC for ; Tue, 17 Feb 2015 08:58:57 +0000 (UTC) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 8BDA9106 for ; Tue, 17 Feb 2015 08:58:56 +0000 (UTC) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.14.9/8.14.9) with ESMTP id t1H8wpoQ014650 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 17 Feb 2015 10:58:52 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.9.2 kib.kiev.ua t1H8wpoQ014650 Received: (from kostik@localhost) by tom.home (8.14.9/8.14.9/Submit) id t1H8wpGd014649; Tue, 17 Feb 2015 10:58:51 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 17 Feb 2015 10:58:51 +0200 From: Konstantin Belousov To: Robert Simmons Subject: Re: Kernel Panic Message-ID: <20150217085851.GS34251@kib.kiev.ua> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.0 X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on tom.home Cc: freebsd-hackers@freebsd.org X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Feb 2015 08:58:57 -0000 On Tue, Feb 17, 2015 at 01:27:46AM -0500, Robert Simmons wrote: > I'm experiencing a kernel panic on a VM: > panic: CPU0 does not support X87 or SSE: 0 > This is on OpenStack (using KVM). > > Is there a kernel option that I can set that will allow this VM to > boot without panic? The panic indicates that machine you trying to boot on is not compliant with the Intel specification. You may try the luck with setting hw.use_xsave=0 at the loader prompt, but I expect that you get other problems.