From owner-freebsd-current@FreeBSD.ORG Sat Jul 19 21:36:43 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 C745C1065672 for ; Sat, 19 Jul 2008 21:36:43 +0000 (UTC) (envelope-from gaijin.k@gmail.com) Received: from yw-out-2324.google.com (yw-out-2324.google.com [74.125.46.31]) by mx1.freebsd.org (Postfix) with ESMTP id 7AB6B8FC1A for ; Sat, 19 Jul 2008 21:36:43 +0000 (UTC) (envelope-from gaijin.k@gmail.com) Received: by yw-out-2324.google.com with SMTP id 9so258655ywe.13 for ; Sat, 19 Jul 2008 14:36:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:subject:from:to:cc :in-reply-to:references:content-type:date:message-id:mime-version :x-mailer:content-transfer-encoding; bh=Flo/LDMRGzvqZhrqEDv5B3tP6y3S2jp99LJ9eIO4IL0=; b=XWx3mjdaQOJT8p7Nj+RkcetAxAu4qmyGJUcIkmNhAlCwEYRwiEqONMi1VsSxU3ZkxQ H8/fWyucX3GpCHUgmPVUupa7j4zLsZJcewunxDvjxnFv7BCsJXXvwQgzc2Bk4cZda3yX f2ZpW9mW+fAQT4Mc8rBWXlbAXie1ikXALp1k4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=ACmGc6XiHmtJcueOm0hGCvsBzVpRu0GvvTsDgdVLDqdLDfh6s19pMXiKLe4jxqdmBv 9DuS8dmN/RBIK5Oi2QKisobk0ThgoieyPO7BPFzmRz8EQS+EoUpHLrUyOYXPyiUTdtyr fsN43zhYSCsm4/1ph0fJSWmsO5U00pOVFHW6Y= Received: by 10.150.149.19 with SMTP id w19mr1818880ybd.50.1216501758078; Sat, 19 Jul 2008 14:09:18 -0700 (PDT) Received: from ?10.0.3.231? ( [70.111.22.162]) by mx.google.com with ESMTPS id 30sm3062554yxk.4.2008.07.19.14.09.17 (version=SSLv3 cipher=RC4-MD5); Sat, 19 Jul 2008 14:09:17 -0700 (PDT) From: "Alexandre \"Sunny\" Kovalenko" To: Giorgos Keramidas In-Reply-To: <87prpcjrsk.fsf@kobe.laptop> References: <87prpcjrsk.fsf@kobe.laptop> Content-Type: text/plain; charset=utf-8 Date: Sat, 19 Jul 2008 17:03:08 -0400 Message-Id: <1216501388.971.6.camel@RabbitsDen> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 FreeBSD GNOME Team Port Content-Transfer-Encoding: 8bit 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 21:36:43 -0000 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. -- Alexandre "Sunny" Kovalenko (Олександр Коваленко)