Date: Wed, 26 Sep 2007 22:52:03 -0700 From: Eric Osterweil <eoster@cs.ucla.edu> To: Matthew Seaman <m.seaman@infracaninophile.co.uk> Cc: Paul Schmehl <pauls@utdallas.edu>, Erich Dollansky <oceanare@pacific.net.sg>, freebsd-questions@freebsd.org Subject: Re: Dual Opterons don't see all memory Message-ID: <1D876719-EB69-450C-A231-8DAE0E71FE64@cs.ucla.edu> In-Reply-To: <46FB4139.8020104@infracaninophile.co.uk> References: <DF52D4C2-523B-48E4-957A-01FB81C80FC3@CS.UCLA.EDU> <46FB2A26.8040507@pacific.net.sg> <74CB72FB-0B36-4945-B121-E61E07BAA4F5@CS.UCLA.EDU> <26F3B5E1A6FC015BDA8980FB@paul-schmehls-powerbook59.local> <46FB32B3.10800@pacific.net.sg> <46FB4139.8020104@infracaninophile.co.uk>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Sep 26, 2007, at 10:35 PM, Matthew Seaman wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Erich Dollansky wrote: > >> Paul Schmehl wrote: >>> --On September 26, 2007 9:06:57 PM -0700 Eric Osterweil >>> <eoster@CS.UCLA.EDU> wrote: >>> >>>> On Sep 26, 2007, at 8:57 PM, Erich Dollansky wrote: >>>> >>>>> Eric Osterweil wrote: >>>>> >>>> <snip> >>>> Ahh... To do this, do I just specify the CPUTYPE in the /etc/ >>>> make.conf >>>> as: >>>> CPUTYPE=amd64 >>>> ? >>>> >>> No. Add options SMP to GENERIC or use the SMP conf file that's >>> already there (and includes GENERIC). Then recompile the kernel per >>> the handbook. >>> >> he still has to set the CPU type also in this config file to amd64. > > If the OP has installed FreeBSD i386 then changing the CPU type in > /etc/make.conf won't magically get him FreeBSD amd64 --- it will just > get him FreeBSD i386 optimized for AMD processors running in 32bit > mode. > > As far as I know, there is no simple way to start with a 32-bit > system and the FreeBSD sources and recompile and reinstall everything > into a 64-bit system. (Although the opposite direction is apparently > possible on 7-CURRENT, but it's a guru-only level of difficulty.) > > The best and most effective answer here is to start by downloading > an amd64 installation CD and redo the whole thing from scratch. > > Cheers, > > Matthew Ahh... gotcha. I guess it's good that I asked before I loaded the machine up and invested a lot of time in it. I can nuke it if that's what has to be done. Thanks, Eric -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (Darwin) iD8DBQFG+0UIK/tq6CJjZQIRAuwwAJ9X0MIlij9g+O6TNvflq1dOAE+GMwCeJDpL PVjv3wiYxhbrj01FcPqwzDw= =ySXY -----END PGP SIGNATURE-----
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