From owner-freebsd-hackers Sat Jul 1 2:45:34 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.40.131]) by hub.freebsd.org (Postfix) with ESMTP id E0E1937B9AD; Sat, 1 Jul 2000 02:45:29 -0700 (PDT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.9.3/8.9.3) with ESMTP id LAA09280; Sat, 1 Jul 2000 11:45:28 +0200 (CEST) (envelope-from phk@critter.freebsd.dk) To: wilko@FreeBSD.ORG Cc: Mike Smith , KATO Takenori , hackers@FreeBSD.ORG Subject: Re: invlpg produces strange sig11 on PentiumPro box In-reply-to: Your message of "Sat, 01 Jul 2000 11:36:58 +0200." <20000701113658.B16983@freebie.wbnet> Date: Sat, 01 Jul 2000 11:45:28 +0200 Message-ID: <9278.962444728@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message <20000701113658.B16983@freebie.wbnet>, Wilko Bulte writes: >> >Maybe make it conditional via an option in the kernel config file? >> >Off by default of course. Looking at LINT/NOTES I see very obscure things >> >for Cyrix and Bluelightning CPUs already. >> >> But Wilko, >> >> Those hacks are because the silicon, when used as directed, has flaws. > >OK, I understand that. But it appears to me that this patch allows the use >of Si that should have had it's problems correct by the BIOS but in fact has >not (because a corrected BIOS is not available). I'm one of those people >who prefer a built-in, docuemted, switchable patch/hack over one that needs >to be hunted down on the Net and applied. Heck, if I wanted to do that I >would have chosen Linux ;-) I'm sorry, but I still don't think this patch belongs in FreeBSD. What guarantee do you have that this is enough to make those CPUs run reliably anyway ? As far as I know Intel never released the errata which the microcode updates fixes anyway. I'm still against. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD coreteam member | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message