Date: Wed, 17 Jan 2001 13:39:40 -0500 (EST) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: John Baldwin <jhb@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: Atomic breakage? Message-ID: <200101171839.NAA19379@khavrinen.lcs.mit.edu> In-Reply-To: <XFMail.010117102803.jhb@FreeBSD.org> References: <53512.979753444@critter> <XFMail.010117102803.jhb@FreeBSD.org>
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<<On Wed, 17 Jan 2001 10:28:03 -0800 (PST), John Baldwin <jhb@FreeBSD.org> said: > person was referring to: on Pentiums with stepping < 0xc, a cmpxchg8b that > crosses a page boundary triggers an illegel opcode fault rather than a page > fault if the second page is missing. This is (part of) the famous `F00F bug'. -GAWollman To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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