On Tue, Feb 21, 2012 at 10:30, Justin C. Walker <jus...@mac.com> wrote:
>
> On Feb 21, 2012, at 08:13 , R. Andrew Ohana wrote:
>
>> On Tue, Feb 21, 2012 at 07:08, Dima Pasechnik <dimp...@gmail.com> wrote:
>>> In gmane.comp.mathematics.sage.devel, you wrote:
>>>> On Mon, Feb 20, 2012 at 4:28 AM, Dima Pasechnik <dimp...@gmail.com> wrote:
>>>>> Can we get Lion on bsd.math.washington.edu ?
>>>>
>>>> I could, but then we will no longer have a 10.6 build/test machine, I
>>>> think, and that would be bad.
>>>> Also, I can't do this until next week, since I'm in San Diego right now.
>>>>
>>> sure, I understand, but it seems that 10.7 is becoming a major hassle to
>>> support, and so having a machine running it available would really be
>>> great…
>
>> FYI, sqrt5 has been down for awhile since it is extremely prone to
>> kernel panics and I have yet to figure out the issue. My guess at this
>> point in time is that these are due to it using the 32-bit kernel,
>> which apple clearly isn't supporting any more -- the main requirement
>> of 10.8 over 10.7 is support for the 64-bit kernel.
>
> Is this true?

Positive:

$ uname -pr
11.3.0 i386

> My 10.7 system has a 64-bit kernel, at least according to 'file':
>
> $ file /mach_kernel
> /mach_kernel: Mach-O universal binary with 2 architectures
> /mach_kernel (for architecture x86_64): Mach-O 64-bit executable x86_64
> /mach_kernel (for architecture i386):   Mach-O executable i386

OSX has included extensions in the 32-bit kernel to execute 64-bit
code since leopard (or potentially earlier), this only indicates that
the kernel + hardware supports executing 64-bit code.

>
> Justin
>
> --
> Justin C. Walker
> Director
> Institute for the Enhancement of the Director's Income
> --
> Fame is fleeting, but obscurity
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>
>
>
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-- 
Andrew

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