Date: Sat, 01 Jul 2000 12:03:03 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp> Cc: hackers@FreeBSD.ORG Subject: Re: invlpg produces strange sig11 on PentiumPro box Message-ID: <9398.962445783@critter.freebsd.dk> In-Reply-To: Your message of "Sat, 01 Jul 2000 18:44:20 %2B0900." <20000701184420G.kato@gneiss.eps.nagoya-u.ac.jp>
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In message <20000701184420G.kato@gneiss.eps.nagoya-u.ac.jp>, KATO Takenori writ es: >Poul-Henning Kamp <phk@critter.freebsd.dk> 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
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