From owner-freebsd-stable@FreeBSD.ORG Mon Feb 21 20:41:40 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1FBC61065673; Mon, 21 Feb 2011 20:41:40 +0000 (UTC) (envelope-from prvs=10337ef692=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 31F658FC1A; Mon, 21 Feb 2011 20:41:38 +0000 (UTC) X-MDAV-Processed: mail1.multiplay.co.uk, Mon, 21 Feb 2011 20:30:21 +0000 X-Spam-Processed: mail1.multiplay.co.uk, Mon, 21 Feb 2011 20:30:21 +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 md50012271061.msg; Mon, 21 Feb 2011 20:30:19 +0000 X-MDRemoteIP: 188.220.16.49 X-Return-Path: prvs=10337ef692=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk Message-ID: <7048D14F1FD341F2AFD2B0CB13C95477@multiplay.co.uk> From: "Steven Hartland" To: "Garrett Cooper" , "Andriy Gapon" References: <8332E9240ECA403480B48D21FA3A8694@multiplay.co.uk><4D6292DD.8010704@freebsd.org> Date: Mon, 21 Feb 2011 20:30:54 -0000 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original 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-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Feb 2011 20:41:40 -0000 ----- Original Message ----- From: "Garrett Cooper" > As a followup to this and based on discussions with other folks, > the fact that it's using hlt to halt CPUs without rescheduling tasks / > masking interrupts, etc is not good. So none of the *hlt* sysctls are > really doing the right thing on x86. Time to disable them until they are fixed properly then I would suggest? Regards Steve ================================================ 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.