From owner-freebsd-stable@FreeBSD.ORG Sun Sep 1 06:42:31 2013 Return-Path: Delivered-To: freebsd-stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 105EAC70; Sun, 1 Sep 2013 06:42:31 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id ED3A129F5; Sun, 1 Sep 2013 06:42:29 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id JAA02144; Sun, 01 Sep 2013 09:42:28 +0300 (EEST) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1VG1Mh-000HgK-Vk; Sun, 01 Sep 2013 09:42:28 +0300 Message-ID: <5222E19C.9040402@FreeBSD.org> Date: Sun, 01 Sep 2013 09:41:32 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130810 Thunderbird/17.0.8 MIME-Version: 1.0 To: Adrian Chadd Subject: Re: 9.2-RC3 - suspend/resume causes slow system performance References: In-Reply-To: X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "freebsd-acpi@freebsd.org" , FreeBSD Stable Mailing List , Mike Harding 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: Sun, 01 Sep 2013 06:42:31 -0000 on 01/09/2013 02:40 Adrian Chadd said the following: > > > > 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! Thank you for trying to be helpful. But let's not jump to conclusions. BTW, I am following up on the problem in the PR. -- Andriy Gapon