From owner-freebsd-virtualization@FreeBSD.ORG Fri Nov 28 15:37:09 2014 Return-Path: Delivered-To: virtualization@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 08FE36CB for ; Fri, 28 Nov 2014 15:37:09 +0000 (UTC) Received: from vps1.elischer.org (vps1.elischer.org [204.109.63.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "vps1.elischer.org", Issuer "CA Cert Signing Authority" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id CFAB0D4A for ; Fri, 28 Nov 2014 15:37:08 +0000 (UTC) Received: from Julian-MBP3.local (50-196-156-133-static.hfc.comcastbusiness.net [50.196.156.133]) (authenticated bits=0) by vps1.elischer.org (8.14.9/8.14.9) with ESMTP id sASFb3b8032530 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Fri, 28 Nov 2014 07:37:06 -0800 (PST) (envelope-from julian@freebsd.org) Message-ID: <54789699.7030507@freebsd.org> Date: Fri, 28 Nov 2014 23:36:57 +0800 From: Julian Elischer User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Neel Natu Subject: Re: bhyve failure References: <54773CF8.2020306@freebsd.org> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: "freebsd-virtualization@freebsd.org" X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Nov 2014 15:37:09 -0000 On 11/28/14, 3:12 AM, Neel Natu wrote: > Hi Julian, > > On Thu, Nov 27, 2014 at 7:02 AM, Julian Elischer wrote: >> I added WITNESS to a kernel I've been running and during boot I got this >> result: >> >> vm exit[0] >> reason VMX >> rip 0xffffffff8078c1a7 >> inst_length 7 >> status 0 >> exit_reason 2 > That's a triple fault (from sys/amd64/vmm/intel/vmcs.h) > > #define EXIT_REASON_TRIPLE_FAULT 2 > > >> qualification 0x0000000000000000 >> inst_type 0 >> inst_error 0 >> Abort trap (core dumped) >> >> anyone have a decoder ring? >> > A few questions to narrow this down: > > Did you add WITNESS to the guest kernel or the host kernel when this happened? yes I added it to the guest kernel.. I suspect it ay be related to this, especially since there was a kernel module loaded that was not recompiled. I'm trying to ascertain now whether a withness kernel requires special handling for its modules. > > Is this readily reproducible? don't know yet. > > Can you share the host and guest revision numbers? guest is custom sources based on stable-10 on the same day as 10.0 was released.basically whatever svn revision# was on 10.0 but on the stable branch. host is FreeBSD 10.1-BETA1 #0 r271671: Tue Sep 16 09:31:23 PDT 2014 > > best > Neel > >> julian >> _______________________________________________ >> freebsd-virtualization@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization >> To unsubscribe, send any mail to >> "freebsd-virtualization-unsubscribe@freebsd.org"