From owner-freebsd-smp Sun Apr 25 8:17:40 1999 Delivered-To: freebsd-smp@freebsd.org Received: from midget.dons.net.au (daniel.lnk.telstra.net [139.130.137.70]) by hub.freebsd.org (Postfix) with ESMTP id B61F4152D6 for ; Sun, 25 Apr 1999 08:17:35 -0700 (PDT) (envelope-from doconnor@gsoft.com.au) Received: from guppy.dons.net.au (guppy.dons.net.au [203.31.81.9]) by midget.dons.net.au (8.9.3/8.9.1) with ESMTP id AAA69385; Mon, 26 Apr 1999 00:47:29 +0930 (CST) (envelope-from doconnor@gsoft.com.au) Message-ID: X-Mailer: XFMail 1.3 [p0] on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <199904231442.HAA00413@dingo.cdrom.com> Date: Mon, 26 Apr 1999 00:47:29 +0930 (CST) From: "Daniel J. O'Connor" To: Mike Smith Subject: Re: Really slow SMP Cc: freebsd-smp@freebsd.org, "Daniel J. O'Connor" , Peter Wemm Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On 23-Apr-99 Mike Smith wrote: > My apologies for the scad of these in a row; I'm doing my mail while I > lurk in airports, and it hasn't been fun, I tell you. Huh.. :) > > (There is no MTRR synchronization like there was before. Previously the > > BSP would dump all it's MTRR registers to a table and all the other AP > > cpus would load that table on startup. That table doesn't exist anymore.) > Hmm. It's quite likely that the BIOS is only setting the MTRRs in the > BSP; why aren't the APs doing this anymore? I guess some BIOSen don't set MTRR's on anything but the first CPU.. Maybe time for a BIOS upgrade..? --- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message