Date: Fri, 29 Jun 2007 08:57:54 -0500 From: eculp@unixmania.com To: freebsd-questions@freebsd.org Subject: Re: Upgrading from an old athlon to a new 64 bit one. Message-ID: <20070629085754.rknw7q440c84o0g8@intranet.unixmania.com> In-Reply-To: <468489AA.3090402@u.washington.edu> References: <20070627145452.ytifppt70oc480s8@intranet.unixmania.com> <20070628011057.5a0d90b5@gumby.homeunix.com.> <20070628101239.6fs4qrpz8k8kkosw@intranet.unixmania.com> <20070628170202.43e64182@gumby.homeunix.com.> <20070628114304.512m6zqigwkg088c@intranet.unixmania.com> <468489AA.3090402@u.washington.edu>
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Quoting Garrett Cooper <youshi10@u.washington.edu>: > eculp@unixmania.com wrote: >> Quoting RW <fbsd06@mlists.homeunix.com>: >> >>> On Thu, 28 Jun 2007 10:12:39 -0500 >>> eculp@unixmania.com wrote: >>> >>> >>>> What I am trying to do is compile an amd64 kernel, install it and >>>> see what happens ;) I can always go back to the generic kernel >>>> compiled in sys/i386. >>> >>> amd64 and i386 are different platforms in the same sense that sparc64 >>> and ppc are different platforms. An AMD 64 is not back-compatible to >>> pentium pro code when it's in 64-bit mode. Whilst 32-bit binaries can >>> be run on the amd64 platform, they need special handling, you can't >>> just mix-and-match world and kernel platforms. >> >> Thanks, RW. I had assumed that and had hoped to run my make =20 >> buildworld, make buildkernel, mergemaster, make installkernel and =20 >> make installworld then upgrade all ports. >> >> The problem is that I haven't been able to figure out, how to build =20 >> using all amd64. >> >> Again very dumb on my part, I'm sure. >> >> ed > As RW has said before it's possible. However, it's better and no =20 > doubt quicker to go about starting from scratch. > -Garrett Hi Garrett, I have decided to do that one machine at a time but for now I'm just =20 going to keep all as is. It seems to be working fine on both current =20 and releng with the standard intel compilation. I just ordered a new =20 machine that I will setup with current amd64 for evaluation and then =20 decide after I've actually used it. Thanks to all for helping me get my feet back on the ground. have a great weekend, ed
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