Date: Thu, 28 Jun 2007 21:25:14 -0700 From: Garrett Cooper <youshi10@u.washington.edu> To: eculp@unixmania.com Cc: freebsd-questions@freebsd.org Subject: Re: Upgrading from an old athlon to a new 64 bit one. Message-ID: <468489AA.3090402@u.washington.edu> In-Reply-To: <20070628114304.512m6zqigwkg088c@intranet.unixmania.com> 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>
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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 > buildworld, make buildkernel, mergemaster, make installkernel and make > installworld then upgrade all ports. > > The problem is that I haven't been able to figure out, how to build > 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 doubt quicker to go about starting from scratch. -Garrett
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