Date: Tue, 11 May 1999 22:04:51 -0400 From: James Kalmadge <kalmadg@banet.net> To: Alfred Perlstein <bright@rush.net> Cc: Gurudatt Shenoy <gurudatt@cs.tamu.edu>, freebsd-questions@FreeBSD.ORG Subject: Re: 486 kernel works for 586? Message-ID: <3738E1C2.E088A614@banet.net> References: <Pine.BSF.3.96.990511123644.24802b-100000@cygnus.rush.net>
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To clarify: I guess you are saying that if you compile for multiple CPU types you're all set. Yes? As per: cpu "I486_CPU" cpu "I586_CPU" cpu "I686_CPU" in the conf file. Alfred Perlstein wrote: > On Tue, 11 May 1999, Gurudatt Shenoy wrote: > > > > > Hello, > > I compiled the FreeBSD 2.2.1 kernel on a Pentium class CPU with the CPU > > type set to "I486_CPU". However, when I boot the machine and try to use > > this kernel, I get "CPU class unknown" error. > > Won't a 486 kernel work on a "586" type CPU? > > > > I'd appreciate any feedback. Please reply to my email address - I am not > > on the FreeBSD list. > > > > MUST have the CPU type that you are going to use compiled in, there > is no "forward/backward compatibility" it just must have that type of > CPU compiled in. > > -Alfred > > 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
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