From owner-freebsd-current@FreeBSD.ORG Sat Jul 19 22:32:05 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 07899106564A for ; Sat, 19 Jul 2008 22:32:05 +0000 (UTC) (envelope-from keramida@ceid.upatras.gr) Received: from igloo.linux.gr (igloo.linux.gr [62.1.205.36]) by mx1.freebsd.org (Postfix) with ESMTP id 8099D8FC0A for ; Sat, 19 Jul 2008 22:32:04 +0000 (UTC) (envelope-from keramida@ceid.upatras.gr) Received: from kobe.laptop (adsl133-207.kln.forthnet.gr [77.49.252.207]) (authenticated bits=128) by igloo.linux.gr (8.14.3/8.14.3/Debian-4) with ESMTP id m6JMVaHP025756 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sun, 20 Jul 2008 01:31:43 +0300 Received: from kobe.laptop (kobe.laptop [127.0.0.1]) by kobe.laptop (8.14.2/8.14.2) with ESMTP id m6JMVau3064190; Sun, 20 Jul 2008 01:31:36 +0300 (EEST) (envelope-from keramida@ceid.upatras.gr) Received: (from keramida@localhost) by kobe.laptop (8.14.2/8.14.2/Submit) id m6JMVZiD064189; Sun, 20 Jul 2008 01:31:35 +0300 (EEST) (envelope-from keramida@ceid.upatras.gr) From: Giorgos Keramidas To: "Alexandre \"Sunny\" Kovalenko" References: <87prpcjrsk.fsf@kobe.laptop> <1216501388.971.6.camel@RabbitsDen> Date: Sun, 20 Jul 2008 01:31:34 +0300 In-Reply-To: <1216501388.971.6.camel@RabbitsDen> (Alexandre Kovalenko's message of "Sat, 19 Jul 2008 17:03:08 -0400") Message-ID: <87od4t5wvt.fsf@kobe.laptop> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-MailScanner-ID: m6JMVaHP025756 X-Hellug-MailScanner: Found to be clean X-Hellug-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-3.785, required 5, autolearn=not spam, ALL_TRUSTED -1.80, AWL 0.61, BAYES_00 -2.60) X-Hellug-MailScanner-From: keramida@ceid.upatras.gr X-Spam-Status: No Cc: freebsd-current@freebsd.org Subject: Re: Broken APIC on my laptop or bug in FreeBSD? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Sat, 19 Jul 2008 22:32:05 -0000 On Sat, 19 Jul 2008 17:03:08 -0400, "Alexandre \"Sunny\" Kovalenko" wrote: > On Thu, 2008-07-17 at 21:20 +0300, Giorgos Keramidas wrote: >> I recently had to replace my dead laptop, and I bought a replacement >> relatively fast, but something is broken with APIC on this one. >> >> FreeSBIE 2.0.1 (based on 6.2-RELEASE) seems to automatically disable the >> APIC, using hint.apic.0.disabled="1", so I didn't realize APIC failed to >> work properly until I dump(8) and restore(8)'d my backup to the new >> laptop. >> >> After booting with the APIC enabled, I found out that: >> >> * In single user mode, after `boot -sv', I can keep working without >> any major slow down. >> >> * When I exit single user mode, and a few of the rc.d startup scripts >> run, the laptop becomes progressively slower, and eventually crawls >> to an unusable state. I can almost complete logging in as `root' in >> ttyv0 but only if I keep furiously moving the mouse around. If I >> don't move the mouse at all, the typed characters may never actually >> appear on ttyv0. >> > Are you by any chance using cx_lowest="C3" (or "LOW") in your rc.conf? I > have seen these symptoms (including mouse inducement of the typed > characters) when cpu0 on my laptop went to C3. Nowadays I have C3 on > cpu1 and C2 on cpu0 and life is good. Then again, I am running RELENG_7 > (which AFAICR was 7-CURRENT at the time), so YMMV. --