From owner-freebsd-current Mon Mar 19 16:56:55 2001 Delivered-To: freebsd-current@freebsd.org Received: from mailman.zeta.org.au (mailman.zeta.org.au [203.26.10.16]) by hub.freebsd.org (Postfix) with ESMTP id 9F63237B73A; Mon, 19 Mar 2001 16:56:46 -0800 (PST) (envelope-from bde@zeta.org.au) Received: from bde.zeta.org.au (bde.zeta.org.au [203.2.228.102]) by mailman.zeta.org.au (8.9.3/8.8.7) with ESMTP id LAA20468; Tue, 20 Mar 2001 11:56:05 +1100 Date: Tue, 20 Mar 2001 11:55:45 +1100 (EST) From: Bruce Evans X-Sender: bde@besplex.bde.org To: John Baldwin Cc: Dag-Erling Smorgrav , current@FreeBSD.ORG Subject: RE: Here's another one for you... In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, 19 Mar 2001, John Baldwin wrote: > Hmmm. An eip of 0 is bad. This could be just another instance of the bzero > bug just in another place. You probably want to change the code that actually > sets *bzero to i586_bzero (and same for any other ops that use floating point). > The code in question for this lies in i386/isa/npx.c. It seems we use the fp > regs for copyin/copyout and bcopy as well. I would just change line 458 of > npx.c to say '#ifdef I586_CPU_XXX' for now as your temporary patch (then you > don't need to patch pmap_zero_page() anymore.) There is no need to change anything. Just disable the fp optimizations using the npx flags. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message