From owner-freebsd-hackers@FreeBSD.ORG Sat Feb 19 16:00:18 2011 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8DE2E106566C; Sat, 19 Feb 2011 16:00:18 +0000 (UTC) (envelope-from prvs=10311e3df6=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id EEB0F8FC1B; Sat, 19 Feb 2011 16:00:09 +0000 (UTC) X-MDAV-Processed: mail1.multiplay.co.uk, Sat, 19 Feb 2011 15:59:52 +0000 X-Spam-Processed: mail1.multiplay.co.uk, Sat, 19 Feb 2011 15:59:52 +0000 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mail1.multiplay.co.uk X-Spam-Level: X-Spam-Status: No, score=-5.0 required=6.0 tests=USER_IN_WHITELIST shortcircuit=ham autolearn=disabled version=3.2.5 Received: from r2d2 ([188.220.16.49]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50012258726.msg; Sat, 19 Feb 2011 15:59:50 +0000 X-MDRemoteIP: 188.220.16.49 X-Return-Path: prvs=10311e3df6=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk Message-ID: From: "Steven Hartland" To: "Steven Hartland" , References: <8332E9240ECA403480B48D21FA3A8694@multiplay.co.uk><20110219143530.45d0f958@ernst.jennejohn.org> <482E22A771C8471C8D3F31ACFBAE817B@multiplay.co.uk> Date: Sat, 19 Feb 2011 16:00:19 -0000 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994 Cc: freebsd-hackers@freebsd.org, freebsd-stable@freebsd.org Subject: Re: machdep.hlt_cpus not safe with ULE? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Feb 2011 16:00:18 -0000 For reference I've found that an alternative is to set the following in loader.conf:- hint.lapic.2.disabled=1 hint.lapic.3.disabled=1 2 and 3 here are the apic numbers displayed by dmesg on boot for the cpu's Obviously this requires a reboot so no perfect for all uses but it does work for what we're testing. ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.