Date: Tue, 18 Dec 2012 23:44:27 -0600 From: "Joseph A. Nagy, Jr" <jnagyjr1978@gmail.com> To: freebsd-questions@freebsd.org, "amd64 @ FreeBSD" <freebsd-amd64@freebsd.org> Subject: Re: CPU upgrade vs CPUTYPE Message-ID: <50D1543B.1030404@gmail.com> In-Reply-To: <20121219071737.15514j97uh585t0k@webmail.raad.tartu.ee> References: <20121219071737.15514j97uh585t0k@webmail.raad.tartu.ee>
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Cross-posting reply to amd64@ for relevance and to get answers from those smart gents. On 12/18/12 23:17, Toomas Aas wrote: > Hello! > > We have a small server running FreeBSD 8.3 amd64 with Intel Pentium D > 945 CPU. As the motherboard/CPU combo is getting rather old, we are > considering an upgrade to new motherboard with Xeon E3-1230 CPU. We > currently have these CPU settings > > in /etc/make.conf: > CPUTYPE?=nocona > > in kernel configuration: > cpu HAMMER this is the only possible setting in the kernel conf for amd64 as I was told. This was why (and might answer the make.conf question as well: from b.f.: > Leave it alone. The choices for the cpu directive in the kernel > config file, as described in config(5) and listed in > src/sys/conf/options.<arch> (the only choice for amd64 is HAMMER), > have nothing to do with the choices available for the CPUTYPE variable > (which you may want to change to suit your hardware -- these are the > architecture-dependent options available for the -march and -mtune > directives of your compiler that are also recognized by bsd.cpu.mk), > or with the cpu descriptions printed during boot. As for the rest of your questions, I leave them in the hands of those more knowledgeable than I. HTH > Almost all the software is built from ports, few bits compiled directly > from source. Base system is maintained by buildworld. > > Can we expect the software compiled with above CPU settings to run > without problems on the Xeon E3? We had a chance recently to try a > temporary motherboard/CPU swap in this server, replacing the CPU with > Core i3-2xxx and there were some 'signal 11' errors, but I'm not sure > whether this was due to incompatible CPUTYPE or something else. > > Thanks in advance, > -- Yours in Christ, Joseph A Nagy Jr "Whoever loves instruction loves knowledge, But he who hates correction is stupid." -- Proverbs 12:1 Emails are not formal business letters, whatever businesses may want. Original content CopyFree (F) under the OWL http://owl.apotheon.org
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