Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!henry From: henry@utzoo.UUCP (Henry Spencer) Newsgroups: net.unix-wizards Subject: Re: UDA50/RA81 problems.... Message-ID: <4228@utzoo.UUCP> Date: Fri, 17-Aug-84 17:05:02 EDT Article-I.D.: utzoo.4228 Posted: Fri Aug 17 17:05:02 1984 Date-Received: Fri, 17-Aug-84 17:05:02 EDT References: <12460@sri-arpa.UUCP> Organization: U of Toronto Zoology Lines: 11 > Now, does anyone out there know any good rumors about "fast fork" for 4.2+n? > This uses copy-on-write shared memory; we once heard that this would require > a microcode update and was thus delayed. I didn't understand that rumor, > since it seems doable with software. Any comments? What I heard was that the 750 has a microcode bug that prevents copy-on-write from working properly, this being one of the reasons why fast fork has been so long in coming. -- Henry Spencer @ U of Toronto Zoology {allegra,ihnp4,linus,decvax}!utzoo!henry