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.
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