AMD64 I386 or X64 load?

stan stanb at
Mon Mar 27 00:10:25 UTC 2006

On Mon, Mar 27, 2006 at 10:35:11AM +1100, James Gray wrote:
> On Mon, 27 Mar 2006 10:18 am, stan wrote:
> > I just discovered that I grabbed the wrong set of CD's yesterday and loaded
> > the I386 set on my dual processor, dual core Opteron machine (Sun Ultra
> > 40).
> >
> > I then downloaded the latest 2.16 kernel and built a custom kernel for this
> > machine, setting the processor type correctly in the kernel config.
> >
> > How much performance penalty should I expect, if I don't reload the correct
> > binaries?
> Pretty significant considering an AMD64 kernel wont grok 32bit libs.  IOW, it 
> probably wont boot.  Install the 64bit kernel and libs and you'll be all set.

Mmm, something's not quite right here.

I _mistakenly_ loaded from the I386 CD's, and before I noticed it, I
downloaded the 2.16 kernel sources, and built a kerne specifying the correct
procesor. Hmm, maybe it's a 32 bit kernel now that I think about it.

How can I tell?

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- New York Times 9/3/1967

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