On Wed, Jan 13, 2010 at 9:18 AM, Bill Hart <goodwillh...@googlemail.com> wrote:
> Ah, I see in a later trac update you have the same problem in Fedora.
> But surely there you have cat /proc/cpuinfo. What information does it
> give you? We might be able to tackle the problem from there.

>> > This is in VirtualBox, so virtual processors?

Virtualbox is possibly misreporting the cpu type in cpuid. You need to
figure out which family/model it's actually reporting, and see what
can be done from there. The easiest way, as Bill suggests, is to cat
/proc/cpuinfo on a linux kernel running in the virtualbox, but you
could also copy&paste some cpuid code and run that (try unpacking mpir
and playing with config.guess and friends).

See related:

http://trac.sagemath.org/sage_trac/ticket/5516
http://trac.sagemath.org/sage_trac/ticket/5186
http://groups.google.com/group/mpir-devel/browse_thread/thread/aeb271247ae0eec9/a90654677f9db1d5

Gonzalo
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