From owner-freebsd-current@FreeBSD.ORG Wed Nov 7 21:56:42 2007 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 A4ECB16A480 for ; Wed, 7 Nov 2007 21:56:42 +0000 (UTC) (envelope-from rpaulo@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.179]) by mx1.freebsd.org (Postfix) with ESMTP id 33AF013C4BD for ; Wed, 7 Nov 2007 21:56:42 +0000 (UTC) (envelope-from rpaulo@gmail.com) Received: by py-out-1112.google.com with SMTP id u77so4904107pyb for ; Wed, 07 Nov 2007 13:56:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; bh=uEXqwHvUYthFkbXzuLvlHNDKQoF7rWXKPe5QUcm5N78=; b=fxUt7shYzF9iPpcWm+Mz8iXMotWt2u0JgDFqP/Oiv9/qCq3MKxm+YP+Q9MRDUc4P91nkBfZ+ibyIS1pI1ZMSL/ymQoZMr+OZgz/j9dF4iaetB5CoD763a8J/cwLcCihtLYl7yrHWDPgwU5ibf4/13G/Fyk1hJypbVOY9SubKCK0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=Pn34J2JZECEjTkgS4iDJqRQ2zH8EMCtpZWkR77jAyH41KucF1PHygKgX4EfUqp/ySrpbXnEyYzJAbMvkMlrMYVvQVbb0DZz7VJMgPqYdg9UBMr/hBz0I5YtEvv9tDCzr5jGJMMGYkvvuAXWahdfWlK7lRV0NVTF4XMrGRy7gE1o= Received: by 10.35.91.1 with SMTP id t1mr9433409pyl.1194472170013; Wed, 07 Nov 2007 13:49:30 -0800 (PST) Received: by 10.35.76.2 with HTTP; Wed, 7 Nov 2007 13:49:29 -0800 (PST) Message-ID: Date: Wed, 7 Nov 2007 21:49:29 +0000 From: "Rui Paulo" Sender: rpaulo@gmail.com To: "Mark Tinguely" In-Reply-To: <200711072112.lA7LCCJi041692@casselton.net> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <4732171F.3010803@FreeBSD.org> <200711072112.lA7LCCJi041692@casselton.net> X-Google-Sender-Auth: 24f54e845ec97883 Cc: rink@freebsd.org, freebsd-current@freebsd.org, freebsd-i386@freebsd.org, freebsd-hardware@freebsd.org Subject: Re: MacBook users: possible fix for the SMP problem 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: Wed, 07 Nov 2007 21:56:42 -0000 On Nov 7, 2007 9:12 PM, Mark Tinguely wrote: > > > I don't really like the fact that it has to be turned on manually. Is it > > possible to make this automatic based on BIOS Id or something like this? > > > > -Maxim > > (Thread summary because of text removal - "On some systems, namely MacBooks > we need to disallow the legacy USB circuit to generate an SMI# because this > can cause several problems, namely: incorrect CPU frequency detection and > failure to start the APs." - taken from patch explaination). > > This sounds like a great compiler option / C code definition. It can be > compiled into kernel and left as the default if you need it. It should > not go into GENERIC. No, I don't like that because it makes us look very bad if you can't install FreeBSD on a MacBook because the kernel hangs very early on boot. Regards. -- Rui Paulo