From owner-freebsd-current@FreeBSD.ORG Thu Feb 19 22:22:52 2015 Return-Path: Delivered-To: freebsd-current@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 5B89C753 for ; Thu, 19 Feb 2015 22:22:52 +0000 (UTC) Received: from mail.ignoranthack.me (ignoranthack.me [199.102.79.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 39048CDE for ; Thu, 19 Feb 2015 22:22:51 +0000 (UTC) Received: from [192.168.200.212] (unknown [50.136.155.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sbruno@ignoranthack.me) by mail.ignoranthack.me (Postfix) with ESMTPSA id 6CCAB192A3B for ; Thu, 19 Feb 2015 22:22:45 +0000 (UTC) Message-ID: <54E66234.7060104@ignoranthack.me> Date: Thu, 19 Feb 2015 14:22:44 -0800 From: Sean Bruno Reply-To: sbruno@freebsd.org User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: freebsd-current@freebsd.org Subject: Re: Xen HVM Panic, HEAD References: <54E2BF1E.4090002@ignoranthack.me> <20150217085657.GR34251@kib.kiev.ua> <54E39DC4.4010802@ignoranthack.me> <20150217202653.GW34251@kib.kiev.ua> <54E3A4D9.4080604@ignoranthack.me> <54E56E87.6010704@ignoranthack.me> In-Reply-To: <54E56E87.6010704@ignoranthack.me> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Feb 2015 22:22:52 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 > > This panic starts at: > https://svnweb.freebsd.org/base?view=revision&revision=278473 > > If I use 278472, I can boot the Xen VM normally. > > If I use head and set hw.x2apic_enable="0" in loader.conf and boot > head (278970), it boots normally. > > Second issue: > > However, the UFS disk access is SO slow on this that it took > 2+hours to do an installworld, which I couldn't abort because it > had already started. I'm not sure if the UFS disk access is > related at all or not. Once things are read from disk into memory > they are fast and responsive (e.g. sshd, tmux, shells, etc). > > sean > > bcc royger Maybe helpful, verbose dmesg on bootup with x2apic disabled: https://people.freebsd.org/~sbruno/xen_dmesg_verbose.txt sean -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAEBCgBmBQJU5mIxXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRCQUFENDYzMkU3MTIxREU4RDIwOTk3REQx MjAxRUZDQTFFNzI3RTY0AAoJEBIB78oecn5kZewH/j/Fy9b8tteEM68ZGti3XZAK jLDkr8m21pFO8YxPYWrWhXp4f6pvLnTbUIjq5V+8nlCTK+douRfhy8OvG4lW2a5r Hvgwc147mDBpELtlByijsasc9ulkUveI7pSDDSu49dD8RBCOBhGjkfr4iU1tiSbI NHog3vBKk5IYV0u4pynyq1ROMESMNtHSfobt1oHgzxUS1xWHcv4YvnWK05dLM07D lU+g8sY9aBtU8L+IPlAtQW8fZFTwt1RO5oPk3BveA32KxV90vO9bJ2AyHl821/US Fo0NU8zhOuCYaSLF43xexEH1h3EQbjLJho6YslHtIaLqqE0cqpBhnbfKHsE4SmA= =H6sT -----END PGP SIGNATURE-----