Date: Tue, 28 Feb 2012 08:46:08 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Devin Teske <dteske@vicor.com>, Andriy Gapon <avg@freebsd.org> Subject: Re: revisiting tunables under Safe Mode menu option Message-ID: <201202280846.08966.jhb@freebsd.org> In-Reply-To: <3BA1B476-ED05-4E8E-8DFA-0B06EFB48867@samsco.org> References: <4F26CC5A.2070501@FreeBSD.org> <4F4C0600.2000903@FreeBSD.org> <3BA1B476-ED05-4E8E-8DFA-0B06EFB48867@samsco.org>
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On Tuesday, February 28, 2012 1:23:11 am Scott Long wrote: > I still think that it's useful to be able to disable ACPI. Just because ACPI works well on modern hardware doesn't mean that everything crummy from 2000-2007 suddenly disappeared off the face of the earth. But I agree that turning it off on modern systems probably does more harm than good. Hence my suggestion for a finer control over this in the menu. Maybe Devin Teske can lend some help with this task? For extra credit, it should be possible to write a simple static analysis tool that collects all of the tunables that are compiled into the kernel and generates a data file that the boot menu can process and turn into interactive knobs for the user. Hmm, with the newer boot menu, can't one now toggle safe mode and ACPI independently? (Assuming we haven't removed the ability to disable ACPI from the menu, if we have we should perhaps put that back). Having them be orthogonal knobs would seem to the be the best approach. -- John Baldwin
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