From owner-freebsd-hackers Fri Jun 30 23:54:15 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 2DD1137B5EF for ; Fri, 30 Jun 2000 23:54:12 -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 IAA08486; Sat, 1 Jul 2000 08:54:00 +0200 (CEST) (envelope-from phk@critter.freebsd.dk) To: KATO Takenori Cc: hackers@FreeBSD.ORG Subject: Re: invlpg produces strange sig11 on PentiumPro box In-reply-to: Your message of "Sat, 01 Jul 2000 01:29:41 +0900." <20000701012941S.kato@gneiss.eps.nagoya-u.ac.jp> Date: Sat, 01 Jul 2000 08:54:00 +0200 Message-ID: <8484.962434440@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message <20000701012941S.kato@gneiss.eps.nagoya-u.ac.jp>, KATO Takenori writ es: >The invlpg instruction causes strange signal 11 problem on some >PentiumPro box. This problem seems to hapen when (1) mother board is >very old and (2) BIOS update is not available and (3) cpuid < 0x619. > >Following patch automatically disables invlpg when PentiumPro with >cpuid < 0x619 is found. > >Please comment to this patch. I'm against this patch. This is so specific and marginal to a out-of-spec hardware configuration, that it should not be put in the FreeBSD tree. -- 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