Date: Wed, 7 Nov 2007 21:49:29 +0000 From: "Rui Paulo" <rpaulo@FreeBSD.org> To: "Mark Tinguely" <tinguely@casselton.net> Cc: rink@freebsd.org, sobomax@freebsd.org, freebsd-current@freebsd.org, freebsd-i386@freebsd.org, freebsd-hardware@freebsd.org Subject: Re: MacBook users: possible fix for the SMP problem Message-ID: <e1309ba60711071349m466c59f4q9c957eec9ab78ee@mail.gmail.com> In-Reply-To: <200711072112.lA7LCCJi041692@casselton.net> References: <4732171F.3010803@FreeBSD.org> <200711072112.lA7LCCJi041692@casselton.net>
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On Nov 7, 2007 9:12 PM, Mark Tinguely <tinguely@casselton.net> 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
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