From owner-freebsd-questions Tue Jul 13 21:50:52 1999 Delivered-To: freebsd-questions@freebsd.org Received: from nerf.ulster.net (ulster.net [208.148.73.65]) by hub.freebsd.org (Postfix) with ESMTP id 18B4814EF3 for ; Tue, 13 Jul 1999 21:50:47 -0700 (PDT) (envelope-from kalmadge@ulster.net) Received: from ulster.net (port37.pok.ulster.net [208.242.162.56]) by nerf.ulster.net (8.9.3/8.9.3/Debian/GNU) with ESMTP id AAA25987; Wed, 14 Jul 1999 00:55:43 -0400 Message-ID: <378C1546.7C6D95BE@ulster.net> Date: Wed, 14 Jul 1999 00:42:46 -0400 From: James Kalmadge X-Mailer: Mozilla 4.5 [en] (X11; U; FreeBSD 2.2.8-RELEASE i386) X-Accept-Language: en MIME-Version: 1.0 To: Ben Smithurst Cc: Magnwa Spiritseer , questions@freebsd.org Subject: Re: Cyrix - > AMD K6-2 300 References: <99071310584100.03100@magnwa.lionking.org> <19990713194717.A72332@rainbow5.scientia.demon.co.uk> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG It worked fine for me. My Cyrix motherboard went out and I replaced it with an AMD 350 which came right up. Then I made a new kernel with 586 class. and voila! James Ben Smithurst wrote: > Magnwa Spiritseer wrote: > > > The subject says it all. I'm going from a Cyrix to an AMD processor. The > > cyrix has been quite .. awkward (It's going to become a car MP3 player soon) > > and I was wondering if I need to do a build world , and kernel recompile, and > > such when I get the new AMD chip in? Would it be an issue at all? > > You might have to compile a new kernel. I don't know what class the K6 is > (586 or 686), but my Cyrix chip is recognized as a 486 class. Userland > binaries should be fine, though you may also have to recompile those which > use libkvm. (Not because of the CPU change, but because the new kernel > might be made of difference sources from the old one.) If you don't know > which binaries use libkvm, just rebuild the whole world. > > The easiest way is just to try it with the new chip. If you get "panic: > cpu class not configured", stick the Cyrix back in and build a new > kernel with all classes to see which class the new one is detected as. > If you don't get that panic, everything should be fine. > > -- > Ben Smithurst | PGP: 0x99392F7D > ben@scientia.demon.co.uk | key available from keyservers and > | ben+pgp@scientia.demon.co.uk > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message