From owner-freebsd-hardware Wed Mar 18 17:32:46 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id RAA12038 for freebsd-hardware-outgoing; Wed, 18 Mar 1998 17:32:46 -0800 (PST) (envelope-from owner-freebsd-hardware@FreeBSD.ORG) Received: from grayling.erg.sri.com (grayling.erg.sri.com [128.18.4.194]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id RAA11898; Wed, 18 Mar 1998 17:30:09 -0800 (PST) (envelope-from templin@erg.sri.com) Received: from grayling.erg.sri.com by grayling.erg.sri.com (8.6.12/2.7davy) id RAA03194; Wed, 18 Mar 1998 17:30:45 -0800 Message-Id: <199803190130.RAA03194@grayling.erg.sri.com> X-Mailer: exmh version 2.0delta 6/3/97 To: freebsd-hackers@FreeBSD.ORG, freebsd-hardware@FreeBSD.ORG, templin@erg.sri.com Subject: Re: L2 cache problems (??) on ThinkPad 560E In-reply-to: Your message of "Wed, 18 Mar 1998 17:07:01 PST." <199803190107.RAA03159@grayling.erg.sri.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 18 Mar 1998 17:30:45 -0800 From: "Fred L. Templin" Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org P.S. > This problem is solved. Matt Jacob gave me a gentle nudge in the right > direction which led to the solution. By adding additional wait-states to > the PCMCIA controller chip's memory window mapping for the Netwave card > on the 560E the write-corruption problem disappeared. Also credit Kenjiro Cho who had also earlier theorized that the PCIC chip might somehow be involved. (I was too sold out on my own theory of cache corruption at the time to listen to him; sorry KJ!) Fred templin@erg.sri.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message