From owner-freebsd-stable@FreeBSD.ORG Sat Aug 31 23:40:58 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 197C6F50; Sat, 31 Aug 2013 23:40:58 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-wg0-x234.google.com (mail-wg0-x234.google.com [IPv6:2a00:1450:400c:c00::234]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 51A9C2A16; Sat, 31 Aug 2013 23:40:57 +0000 (UTC) Received: by mail-wg0-f52.google.com with SMTP id m14so833690wgh.7 for ; Sat, 31 Aug 2013 16:40:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=DrdHgXWOZ9F3Myz6zWtP6fEn74TEhKzWOIRz5vhXXBs=; b=dixizIhljWoMqTyr96THI/o4h1pGvtowzJjQLtVbOvgzXP2s8ZWq+2EhYICO5W9fKs jShS8NmWQmUCWMx93kF4KwuxyDa8qVhGvDOycrAYDNErtzpLSzQoD9MhnmtqJOTHIRqh g7wnjxi53PSXAHGGDAKDhuYVlFdJQnvc3j9vhc6LDHVYMiZaooDFOuZY8EEnSypDYVYV i/5QjVAQmw7s6CWK7eHYU9DFFG49whs7YiVL+y2/I0n8h9cX5H6w1/ZS8BZ79aHVAwuP aMTLAEqaPyMdz1hXXDU5L4fRp6Zb6m+chHZeIi6YYhBS/dgTEGhXT75hOtj5R6vfOUcj iglQ== MIME-Version: 1.0 X-Received: by 10.194.8.9 with SMTP id n9mr16913207wja.11.1377992455156; Sat, 31 Aug 2013 16:40:55 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.216.146.2 with HTTP; Sat, 31 Aug 2013 16:40:55 -0700 (PDT) In-Reply-To: References: Date: Sat, 31 Aug 2013 16:40:55 -0700 X-Google-Sender-Auth: Y1WPSbNHgATSkJkUBccuulVU5qY Message-ID: Subject: Re: 9.2-RC3 - suspend/resume causes slow system performance From: Adrian Chadd To: Mike Harding , Andriy Gapon Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: "freebsd-acpi@freebsd.org" , FreeBSD Stable Mailing List X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Aug 2013 23:40:58 -0000 On 31 August 2013 10:35, Mike Harding wrote: > I've tracked this down to a single line, details in > http://www.freebsd.org/cgi/query-pr.cgi?pr=181632. Basically, the code > is now doing a 'sti, hlt' vs. a 'sti' in some code that is only supposed to > run if idle is disabled. Given that 'hlt' is the idle instruction, this > doesn't seem right. > > Wow, nice! Avg - can we get this fixed? Or just revert this! -adrian