From owner-freebsd-hackers Sat Jul 1 3: 3:14 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 C24EA37B888 for ; Sat, 1 Jul 2000 03:03:11 -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 MAA09400; Sat, 1 Jul 2000 12:03:03 +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 18:44:20 +0900." <20000701184420G.kato@gneiss.eps.nagoya-u.ac.jp> Date: Sat, 01 Jul 2000 12:03:03 +0200 Message-ID: <9398.962445783@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message <20000701184420G.kato@gneiss.eps.nagoya-u.ac.jp>, KATO Takenori writ es: >Poul-Henning Kamp wrote: > >> 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. > >I'm not 100% sure but I think the signal 11 problem is result from the >CPU errata. There is the invlpg related errata and it has been fixed >in stepping sB0 (cpuid = 0x619). I have both sA0 (cpuid = 0x617) and >sB0 steppings and the signal 11 problem occurs only with the sA0 >stepping. If we are talking about errata #34 the correct solution is to not use 4MB pages. -- 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